Changeset 3372406

Timestamp:

10/03/2025 02:06:59 PM (5 months ago)

Author:

expresstech

Message:

10.2.8 to trunk

Location:

quiz-master-next/trunk

Files:

• assets/randomize.svg (added)
• css/qsm-admin-question.css (modified) (1 diff)
• js/qsm-admin.js (modified) (2 diffs)
• js/qsm-quiz.js (modified) (2 diffs)
• mlw_quizmaster2.php (modified) (3 diffs)
• php/admin/options-page-questions-tab.php (modified) (1 diff)
• php/classes/class-qmn-plugin-helper.php (modified) (2 diffs)
• php/classes/class-qmn-quiz-manager.php (modified) (3 diffs)
• php/classes/class-qsm-install.php (modified) (1 diff)
• php/classes/class-qsm-questions.php (modified) (1 diff)
• readme.txt (modified) (2 diffs)

quiz-master-next/trunk/css/qsm-admin-question.css

@@ -89 +89 @@
     color: #dc3232;
 }
-.page-header .edit-page-button {
-    margin: 0 10px;
+.page-header .page-header-buttons {
+    display: flex;
+    min-width: 246px;
+    justify-content: space-between;
+}
+.page-header-icons{
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+    border-radius: 5px;
+    border: 1px solid #8a8a8a;
+    justify-content: space-around;
+    min-height: 28px;
+}
+.page-header-icons a {
+    padding: 0 6px 4px 6px;
+    color: #03396e;
+    cursor: pointer;
+}
+.page-header-icons a:not(:last-child) {
+    border-right: 1px solid #d6d6d6;
+}
+.page-header-icons a:first-child {
+    border-radius: 5px 0 0 5px;
+}
+.page-header-icons a:last-child {
+    border-radius: 0 5px 5px 0;
+}
+.page-header-icons a:hover {
+    outline: none;
+    box-shadow: none;
+    background: #eee;
 }
 .page-header .edit-page-button span {

quiz-master-next/trunk/js/qsm-admin.js

@@ -2858 +2858 @@
                     });
                 },
+                shuffleQuestions: function (pageID) {
+                    let $targetPage = jQuery('.page[data-page-id="' + pageID + '"]');
+                    let $questions = $targetPage.children('.question');
+                    if ($questions.length <= 1) {
+                        return;
+                    }
+                    if ($targetPage.find('.qsm-shuffle-loader').length > 0) {
+                        return;
+                    }
+                    jQuery('.qsm-admin-randomize-page-questions[data-page-id="' + pageID + '"]').prop('disabled', true);
+                    let allQuestions = [];
+                    $questions.each(function() {
+                        allQuestions.push(jQuery(this).detach());
+                    });
+                    let $loader = jQuery('<div style="text-align: center; padding: 30px; margin: 20px 0;"><div class="qsm-spinner-loader"></div></div>');
+                    $targetPage.append($loader);
+                    for (let i = allQuestions.length - 1; i > 0; i--) {
+                        let j = crypto.getRandomValues(new Uint32Array(1))[0] % (i + 1);
+                        let temp = allQuestions[i];
+                        allQuestions[i] = allQuestions[j];
+                        allQuestions[j] = temp;
+                    }
+                    setTimeout(function() {
+                        $loader.fadeOut(200, function() {
+                            $loader.remove();
+                            QSMQuestion.handleQuestions($targetPage, allQuestions, pageID);
+                        });
+                    }, 1000);
+                },
+                handleQuestions: function($targetPage, allQuestions, pageID) {
+                    let questionIndex = 0;
+                    function addNextQuestion() {
+                        if (questionIndex < allQuestions.length) {
+                            let $question = allQuestions[questionIndex];
+                            $question.hide().appendTo($targetPage);
+                            $question.fadeIn(300);
+                            questionIndex++;
+                            setTimeout(addNextQuestion, 500);
+                        } else {
+                            QSMQuestion.finalizeQuestionShuffle(pageID);
+                        }
+                    }
+                    addNextQuestion();
+                },
+                finalizeQuestionShuffle: function(pageID) {
+                    QSMQuestion.updateQuestionModelsForPage(pageID);
+                    QSMQuestion.countTotal();
+                    QSMQuestion.savePages();
+                    jQuery('.qsm-admin-randomize-page-questions[data-page-id="' + pageID + '"]').prop('disabled', false);
+                    QSMAdmin.displayAlert(qsm_admin_messages.question_shuffle, 'success');
+                },
+                updateQuestionModelsForPage: function(pageID) {
+                    jQuery('.page[data-page-id="' + pageID + '"]').each(function() {
+                        let $page = jQuery(this);
+                        let pageId = $page.data('page-id');
+                        
+                        $page.children('.question').each(function() {
+                            let questionId = jQuery(this).data('question-id');
+                            let model = QSMQuestion.questions.get(questionId);
+                            if (model) {
+                                model.set('page', pageId - 1);
+                            }
+                        });
+                    });
+                },
                 savePages: function () {
                     var pages = [];
@@ -3921 +3986 @@
                 });
 
+                $(document).on('click', '.qsm-admin-randomize-page-questions', function () {
+                    let pageId = $(this).data('page-id');
+                    QSMQuestion.shuffleQuestions(pageId);
+                });
+
                 $(document).on('click', '.qsm-admin-select-question-input', function () {
                     if (!$(this).prop('checked')) {

quiz-master-next/trunk/js/qsm-quiz.js

@@ -2088 +2088 @@
 jQuery(document).keydown(function(event) {
     if (jQuery('.qsm-quiz-container.qsm-recently-active').length) {
-        jQuery(document).trigger('qsm_keyboard_quiz_action_start', event);
+        let qsm_keypress_action = { allowed: true };
+        jQuery(document).trigger('qsm_keyboard_quiz_action_start', [event, qsm_keypress_action]);
+        if(qsm_keypress_action.allowed === false){
+            return;
+        }
         if (jQuery(event.target).is('input')) {
             // Check if the parent div has the class 'qsm_contact_div'
@@ -2110 +2114 @@
         }
         if (event.keyCode === 13 && jQuery('textarea:focus').length === 0) {
-            jQuery('.qsm-quiz-container.qsm-recently-active').find('.qsm-submit-btn:visible').click();
-            jQuery('.qsm-quiz-container.qsm-recently-active').find('.mlw_next:visible').click();
+                jQuery('.qsm-quiz-container.qsm-recently-active').find('.qsm-submit-btn:visible').click();
+                jQuery('.qsm-quiz-container.qsm-recently-active').find('.mlw_next:visible').click();
         }
         if (event.keyCode === 40 && jQuery('.qsm-quiz-container.qsm-recently-active .qsm-question-wrapper.qsm-active-question:visible .qmn_radio_answers:not(.qsm_multiple_grid_answers)').length) {

quiz-master-next/trunk/mlw_quizmaster2.php

@@ -3 +3 @@
  * Plugin Name: Quiz And Survey Master
  * Description: Easily and quickly add quizzes and surveys to your website.
- * Version: 10.2.7
+ * Version: 10.2.8
  * Author: ExpressTech
  * Author URI: https://quizandsurveymaster.com/
@@ -44 +44 @@
      * @since 4.0.0
      */
-    public $version = '10.2.7';
+    public $version = '10.2.8';
 
     /**
@@ -616 +616 @@
             'warning_icon'               => esc_url(QSM_PLUGIN_URL . 'assets/warning-message.png'),
             'info_icon'                  => esc_url(QSM_PLUGIN_URL . 'assets/info-message.png'),
+            'question_shuffle'           => __('Question shuffled successfully!', 'quiz-master-next'),
         );
         $qsm_admin_messages = apply_filters( 'qsm_admin_messages_after', $qsm_admin_messages );

quiz-master-next/trunk/php/admin/options-page-questions-tab.php

@@ -1417 +1417 @@
             <div class="page-header">
                 <div><span class="dashicons dashicons-move"></span> <span class="page-number"></span></div>
-                <div>
-                    <a href="javascript:void(0)" class="edit-page-button" title="Edit Page"><span class="dashicons dashicons-admin-generic"></span></a>
+                <div class="page-header-buttons">
+                    <div class="page-header-icons">
+                        <a href="javascript:void(0)" class="qsm-admin-randomize-page-questions" title="Shuffle Questions" id="qsm-admin-randomize-page-question-{{data.id}}" data-page-id="{{data.id}}"><img class="qsm-common-svg-image-class" src="<?php echo esc_url(QSM_PLUGIN_URL . 'assets/randomize.svg'); ?>" alt="randomize.svg"/></a>
+                        <a href="javascript:void(0)" class="edit-page-button" title="Edit Page"><img class="qsm-common-svg-image-class" src="<?php echo esc_url(QSM_PLUGIN_URL . 'assets/gear.svg'); ?>" alt="gear.svg"/></a>
+                    </div>
                     <a href="javascript:void(0)" class="add-question-bank-button button button-primary qsm-common-button-styles"><?php esc_html_e( 'Import', 'quiz-master-next' ); ?></a>
                     <a href="javascript:void(0)" class="new-question-button button button-primary qsm-common-button-styles"><?php esc_html_e( 'Add Question', 'quiz-master-next' ); ?></a>

quiz-master-next/trunk/php/classes/class-qmn-plugin-helper.php

@@ -1 +1 @@
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
-    exit;
+if (! defined('ABSPATH')) {
+    exit;
 }
 include_once ABSPATH . 'wp-admin/includes/plugin.php';
@@ -12 +12 @@
  * @since 4.0.0
  */
-class QMNPluginHelper {
-
-    /**
-     * Addon Page tabs array
-     *
-     * @var   array
-     * @since 4.0.0
-     */
-    public $addon_tabs = array();
-
-    /**
-     * Stats Page tabs array
-     *
-     * @var   array
-     * @since 4.0.0
-     */
-    public $stats_tabs = array();
-
-    /**
-     * Admin Results Page tabs array
-     *
-     * @var   array
-     * @since 5.0.0
-     */
-    public $admin_results_tabs = array();
-
-    /**
-     * Results Details Page tabs array
-     *
-     * @var   array
-     * @since 4.1.0
-     */
-    public $results_tabs = array();
-
-    /**
-     * Settings Page tabs array
-     *
-     * @var   array
-     * @since 4.0.0
-     */
-    public $settings_tabs = array();
-
-    /**
-     * Question types array
-     *
-     * @var   array
-     * @since 4.0.0
-     */
-    public $question_types = array();
-
-    /**
-     * Template array
-     *
-     * @var   array
-     * @since 4.5.0
-     */
-    public $quiz_templates = array();
-
-    /**
-     * Main Construct Function
-     *
-     * Call functions within class
-     *
-     * @since  4.0.0
-     * @return void
-     */
-    public function __construct() {
-        add_action( 'wp_ajax_qmn_question_type_change', array( $this, 'get_question_type_edit_content' ) );
-        add_action( 'admin_init', array( $this, 'qsm_add_default_translations' ), 9999 );
-        add_action( 'qsm_saved_question', array( $this, 'qsm_add_question_translations' ), 10, 2 );
-        add_action( 'qsm_saved_text_message', array( $this, 'qsm_add_text_message_translations' ), 10, 3 );
-        add_action( 'qsm_saved_quiz_settings', array( $this, 'qsm_add_quiz_settings_translations' ), 10, 3 );
-
-        add_action( 'qsm_register_language_support', array( $this, 'qsm_register_language_support' ), 10, 3 );
-        add_filter( 'qsm_language_support', array( $this, 'qsm_language_support' ), 10, 3 );
-        add_action( 'wp_ajax_qsm_validate_result_submission', array( $this, 'qsm_validate_result_submission' ), 10, 3 );
-        add_action( 'wp_ajax_nopriv_qsm_validate_result_submission', array( $this, 'qsm_validate_result_submission' ), 10, 3 );
-    }
-
-    public function qsm_validate_result_submission() {
-        global $wpdb, $mlwQuizMasterNext;
-
-        $user_email = isset( $_POST['email'] ) ? sanitize_email( wp_unslash( $_POST['email'] ) ) : '';
-        $quiz_id = isset( $_POST['quiz_id'] ) ? intval( wp_unslash( $_POST['quiz_id'] ) ) : 0;
-        $total_user_tries = isset( $_POST['total_user_tries'] ) ? intval( wp_unslash( $_POST['total_user_tries'] ) ) : 0;
-        $mlw_qmn_user_try_count = 0;
-
-        if ( ! empty( $user_email ) && is_email( $user_email ) ) {
-            $mlw_qmn_user_try_count = $wpdb->get_var(
-                $wpdb->prepare(
-                    "SELECT COUNT(*) FROM {$wpdb->prefix}mlw_results WHERE email = %s AND deleted = 0 AND quiz_id = %d",
-                    $user_email,
-                    $quiz_id
-                )
-            );
-        }
-        if ( $mlw_qmn_user_try_count < $total_user_tries ) {
-            wp_send_json_success();
-        } else {
-            wp_send_json_error();
-        }
-        wp_die();
-    }
-
-    /**
-     * Calls all class functions to check if quiz is setup properly
-     *
-     * @param  int $quiz_id The ID of the quiz or survey to load.
-     * @return array An array which contains boolean result of has_proper_quiz, message and/or qmn_quiz_options
-     */
-    public function has_proper_quiz( $quiz_id ) {
-        if ( empty( $quiz_id ) ) {
-            return array(
-                'res'     => false,
-                'message' => __( 'Empty Quiz ID.', 'quiz-master-next' ),
-            );
-        }
-
-        $quiz_id = intval( $quiz_id );
-
-        // Tries to load quiz name to ensure this is a valid ID.
-        global $mlwQuizMasterNext, $qmn_allowed_visit, $qmn_json_data;
-        $qmn_json_data     = array();
-        $qmn_allowed_visit = true;
-        if ( false === $this->prepare_quiz( $quiz_id ) ) {
-            return array(
-                'res'     => false,
-                'message' => __( 'It appears that this quiz is not set up correctly.', 'quiz-master-next' ),
-            );
-        }
-
-        $has_result_id = ( ! isset( $_GET['result_id'] ) || '' === $_GET['result_id'] );
-
-        if ( $has_result_id ) {
-            global $mlw_qmn_quiz;
-            $mlw_qmn_quiz = $quiz_id;
-        }
-
-        $qmn_quiz_options = $mlwQuizMasterNext->quiz_settings->get_quiz_options();
-
-        if ( $has_result_id ) {
-            /**
-             * Filter Quiz Options before Quiz Display
-             */
-            $qmn_quiz_options = apply_filters( 'qsm_shortcode_quiz_options', $qmn_quiz_options );
-        }
-
-        // If quiz options isn't found, stop function.
-        if ( is_null( $qmn_quiz_options ) || ( ! empty( $qmn_quiz_options->deleted ) && 1 == $qmn_quiz_options->deleted ) ) {
-            return array(
-                'res'     => false,
-                'message' => __( 'This quiz is no longer available.', 'quiz-master-next' ),
-            );
-        }
-
-        // If quiz options isn't found, stop function.
-        if ( is_null( $qmn_quiz_options ) || empty( $qmn_quiz_options->quiz_name ) ) {
-            return array(
-                'res'     => false,
-                'message' => __( 'It appears that this quiz is not set up correctly.', 'quiz-master-next' ),
-            );
-        }
-
-        return array(
-            'res'              => true,
-            'message'          => __( 'Quiz is setup properly.', 'quiz-master-next' ),
-            'qmn_quiz_options' => $qmn_quiz_options,
-        );
-    }
-
-    /**
-     * Calls all class functions to initialize quiz
-     *
-     * @param  int $quiz_id The ID of the quiz or survey to load.
-     * @return bool True or False if ID is valid.
-     */
-    public function prepare_quiz( $quiz_id ) {
-        $quiz_id = intval( $quiz_id );
-
-        // Tries to load quiz name to ensure this is a valid ID.
-        global $wpdb;
-        $quiz_name = $wpdb->get_var( $wpdb->prepare( "SELECT quiz_name FROM {$wpdb->prefix}mlw_quizzes WHERE quiz_id=%d LIMIT 1", $quiz_id ) );
-        if ( is_null( $quiz_name ) ) {
-            return false;
-        }
-
-        global $mlwQuizMasterNext;
-        $mlwQuizMasterNext->quizCreator->set_id( $quiz_id );
-        $mlwQuizMasterNext->quiz_settings->prepare_quiz( $quiz_id );
-
-        return true;
-    }
-
-    /**
-     * Retrieves all quizzes.
-     *
-     * @param  bool   $include_deleted If set to true, returned array will include all deleted quizzes
-     * @param  string $order_by        The column the quizzes should be ordered by
-     * @param  string $order           whether the $order_by should be ordered as ascending or decending. Can be "ASC" or "DESC"
-     * @param  arr    $user_role       role of current user
-     * @param  int    $user_id         Get the quiz based on user id
-     * @return array All of the quizzes as a numerical array of objects
-     */
-    public function get_quizzes( $include_deleted = false, $order_by = 'quiz_id', $order = 'DESC', $user_role = array(), $user_id = '', $limit = '', $offset = '', $where = '' ) {
-        global $wpdb;
-
-        // Set order direction
-        $order_direction = 'DESC';
-        if ( 'ASC' === $order ) {
-            $order_direction = 'ASC';
-        }
-
-        // Set field to sort by
-        switch ( $order_by ) {
-            case 'last_activity':
-                $order_field = 'last_activity';
-                break;
-
-            case 'quiz_views':
-                $order_field = 'quiz_views';
-                break;
-
-            case 'quiz_taken':
-                $order_field = 'quiz_taken';
-                break;
-
-            case 'title':
-                $order_field = 'quiz_name';
-                break;
-
-            default:
-                $order_field = 'quiz_id';
-                break;
-        }
-
-        // Should we include deleted?
-        $delete = 'WHERE deleted=0';
-        if ( '' !== $where ) {
-            $delete = $delete . ' AND ' . $where;
-        }
-        if ( $include_deleted ) {
-            $delete = '';
-        }
-        $user_str = '';
-        if ( in_array( 'author', (array) $user_role, true ) ) {
-            if ( $user_id && '' === $delete ) {
-                $user_str = "WHERE quiz_author_id = '$user_id'";
-            } elseif ( $user_id && '' !== $delete ) {
-                $user_str = " AND quiz_author_id = '$user_id'";
-            }
-        }
-        if ( '' !== $where && '' !== $user_str ) {
-            $user_str = $user_str . ' AND ' . $where;
-        }
-        $where_str = '';
-        if ( '' === $user_str && '' === $delete && '' !== $where ) {
-            $where_str = "WHERE $where";
-        }
-        if ( '' !== $limit ) {
-            $limit = ' limit ' . $offset . ', ' . $limit;
-        }
-        // Get quizzes and return them
-        $delete  = apply_filters( 'quiz_query_delete_clause', $delete );
-        $quizzes = $wpdb->get_results( stripslashes( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}mlw_quizzes %1s %2s %3s ORDER BY %4s %5s %6s", $delete, $user_str, $where_str, $order_field, $order_direction, $limit ) ) );
-        return $quizzes;
-    }
-
-    /**
-     * Registers a quiz setting
-     *
-     * @since 5.0.0
-     * @param array $field_array An array of the components for the settings field
-     */
-    public function register_quiz_setting( $field_array, $section = 'quiz_options' ) {
-        global $mlwQuizMasterNext;
-        $mlwQuizMasterNext->quiz_settings->register_setting( $field_array, $section );
-    }
-
-    /**
-     * Retrieves a setting value from a section based on name of section and setting
-     *
-     * @since  5.0.0
-     * @param  string $section The name of the section the setting is registered in
-     * @param  string $setting The name of the setting whose value we need to retrieve
-     * @param  mixed  $default What we need to return if no setting exists with given $setting
-     * @return $mixed Value set for $setting or $default if setting does not exist
-     */
-    public function get_section_setting( $section, $setting, $default = false ) {
-        global $mlwQuizMasterNext;
-        return apply_filters( 'qsm_section_setting_text', $mlwQuizMasterNext->quiz_settings->get_section_setting( $section, $setting, $default ) );
-    }
-
-    /**
-     * Retrieves setting value based on name of setting
-     *
-     * @since  4.0.0
-     * @param  string $setting The name of the setting whose value we need to retrieve
-     * @param  mixed  $default What we need to return if no setting exists with given $setting
-     * @return $mixed Value set for $setting or $default if setting does not exist
-     */
-    public function get_quiz_setting( $setting, $default = false, $caller = '' ) {
-        global $mlwQuizMasterNext;
-        if ( ( 'pages' == $setting || 'qpages' == $setting ) && empty( $caller ) ) {
-            $pages = $mlwQuizMasterNext->quiz_settings->get_setting( $setting, $default );
-            $temp_pages = array();
-            foreach ( $pages as $index => $page ) {
-                $page_should_display = array();
-                $page = 'qpages' == $setting ? $page['questions'] : $page;
-                foreach ( $page as $key => $question_id ) {
-                    $isPublished = $mlwQuizMasterNext->pluginHelper->get_question_setting( $question_id, 'isPublished' );
-                    if ( '' == $isPublished || ( '' != $isPublished && 1 === intval( $isPublished ) ) ) {
-                        $page_should_display[]  = true;
-                    } elseif ( '' != $isPublished && 0 === intval( $isPublished ) ) {
-                        $page_should_display[] = false;
-                        unset( $page[ $key ] );
-                    }
-                }
-                if ( in_array( true, $page_should_display, true ) ) {
-                    if ( 'qpages' == $setting ) {
-                        $pages[ $index ]['questions'] = $page;
-                        $temp_pages[] = $pages[ $index ];
-                    } else {
-                        $temp_pages[] = $page;
-                    }
-                }
-            }
-            return $temp_pages;
-        }
-        return $mlwQuizMasterNext->quiz_settings->get_setting( $setting, $default );
-    }
-
-    /**
-     * Updates a settings value, adding it if it didn't already exist
-     *
-     * @since  4.0.0
-     * @param  string $setting The name of the setting whose value we need to retrieve
-     * @param  mixed  $value   The value that needs to be stored for the setting
-     * @return bool True if successful or false if fails
-     */
-    public function update_quiz_setting( $setting, $value ) {
-        global $mlwQuizMasterNext;
-        return $mlwQuizMasterNext->quiz_settings->update_setting( $setting, $value );
-    }
-
-    /**
-     * Outputs the section of input fields
-     *
-     * @since 5.0.0
-     * @since 7.0 Added new parameter settings_fields for default setting
-     * @param string $section The section that the settings were registered with
-     */
-    public function generate_settings_section( $section = 'quiz_options', $settings_fields = array() ) {
-        global $mlwQuizMasterNext;
-        if ( empty( $settings_fields ) ) {
-            $settings_fields = $mlwQuizMasterNext->quiz_settings->load_setting_fields( $section );
-        }
-        QSM_Fields::generate_section( $settings_fields, $section );
-    }
-
-    /**
-     * Registers Quiz Templates
-     *
-     * @since 4.5.0
-     * @param $name      String of the name of the template
-     * @param $file_path String of the path to the css file
-     */
-    public function register_quiz_template( $name, $file_path ) {
-        $slug                          = strtolower( str_replace( ' ', '-', $name ) );
-        $this->quiz_templates[ $slug ] = array(
-            'name' => $name,
-            'path' => $file_path,
-        );
-    }
-
-    /**
-     * Returns Template Array
-     *
-     * @since  4.5.0
-     * @param  $name String of the name of the template. If left empty, will return all templates
-     * @return array The array of quiz templates
-     */
-    public function get_quiz_templates( $slug = null ) {
-        if ( is_null( $slug ) ) {
-            return $this->quiz_templates;
-        } elseif ( isset( $this->quiz_templates[ $slug ] ) ) {
-            return $this->quiz_templates[ $slug ];
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * Register Question Types
-     *
-     * Adds a question type to the question type array using the parameters given
-     *
-     * @since  4.0.0
-     * @param  string $name             The name of the Question Type which will be shown when selecting type
-     * @param  string $display_function The name of the function to call when displaying the question
-     * @param  bool   $graded           Tells the plugin if this question is graded or not. This will affect scoring.
-     * @param  string $review_function  The name of the function to call when scoring the question
-     * @param  string $slug             The slug of the question type to be stored with question in database
-     * @param  array  $options          The options for show and hide question validation settings and answer types
-     * @return void
-     */
-    public function register_question_type( $name, $display_function, $graded, $review_function = null, $edit_args = null, $save_edit_function = null, $slug = null, $options = array() ) {
-        if ( is_null( $slug ) ) {
-            $slug = strtolower( str_replace( ' ', '-', $name ) );
-        } else {
-            $slug = strtolower( str_replace( ' ', '-', $slug ) );
-        }
-        if ( is_null( $edit_args ) || ! is_array( $edit_args ) ) {
-            $validated_edit_function = array(
-                'inputs'       => array(
-                    'question',
-                    'answer',
-                    'hint',
-                    'correct_info',
-                    'comments',
-                    'category',
-                    'required',
-                ),
-                'information'  => '',
-                'extra_inputs' => array(),
-                'function'     => '',
-            );
-        } else {
-            $validated_edit_function = array(
-                'inputs'       => $edit_args['inputs'],
-                'information'  => $edit_args['information'],
-                'extra_inputs' => $edit_args['extra_inputs'],
-                'function'     => $edit_args['function'],
-            );
-        }
-        if ( is_null( $save_edit_function ) ) {
-            $save_edit_function = '';
-        }
-        $new_type                      = array(
-            'name'    => $name,
-            'display' => $display_function,
-            'review'  => $review_function,
-            'graded'  => $graded,
-            'edit'    => $validated_edit_function,
-            'save'    => $save_edit_function,
-            'slug'    => $slug,
-            'options' => $options,
-        );
-        $new_type = apply_filters( 'register_question_type_new_type',$new_type );
-        $this->question_types[ $slug ] = $new_type;
-    }
-
-    /**
-     * Retrieves List Of Question Types
-     *
-     * retrieves a list of the slugs and names of the question types
-     *
-     * @since  4.0.0
-     * @return array An array which contains the slug and name of question types that have been registered
-     */
-    public function get_question_type_options() {
-        $type_array = array();
-        foreach ( $this->question_types as $type ) {
-            $type_array[] = array(
-                'slug'    => $type['slug'],
-                'name'    => $type['name'],
-                'options' => $type['options'],
-            );
-        }
-        return $type_array;
-    }
-
-    /**
-     *
-     */
-    public function set_question_type_meta( $type_id, $meta_key, $meta_value ) {
-
-        $this->question_types[ $type_id ][ $meta_key ] = $meta_value;
-
-    }
-
-    public function get_question_type_edit_fields() {
-        $type_array = array();
-        foreach ( $this->question_types as $type ) {
-            $type_array[ $type['slug'] ] = $type['edit'];
-        }
-        return $type_array;
-    }
-
-    /**
-     * Displays A Question
-     *
-     * Retrieves the question types display function and creates the HTML for the question
-     *
-     * @since  4.0.0
-     * @param  string $slug         The slug of the question type that the question is
-     * @param  int    $question_id  The id of the question
-     * @param  array  $quiz_options An array of the columns of the quiz row from the database
-     * @return string The HTML for the question
-     */
-    public function display_question( $slug, $question_id, $quiz_options ) {
-        global $wpdb;
-        global $qmn_total_questions, $qmn_all_questions_count;
-        $question = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM ' . $wpdb->prefix . 'mlw_questions WHERE question_id=%d', intval( $question_id ) ) );
-        $answers  = array();
-        if ( is_serialized( $question->answer_array ) && is_array( maybe_unserialize( $question->answer_array ) ) ) {
-            $answers = maybe_unserialize( $question->answer_array );
-        } else {
-            $mlw_answer_array_correct                                  = array( 0, 0, 0, 0, 0, 0 );
-            $mlw_answer_array_correct[ $question->correct_answer - 1 ] = 1;
-            $answers = array(
-                array( $question->answer_one, $question->answer_one_points, $mlw_answer_array_correct[0] ),
-                array( $question->answer_two, $question->answer_two_points, $mlw_answer_array_correct[1] ),
-                array( $question->answer_three, $question->answer_three_points, $mlw_answer_array_correct[2] ),
-                array( $question->answer_four, $question->answer_four_points, $mlw_answer_array_correct[3] ),
-                array( $question->answer_five, $question->answer_five_points, $mlw_answer_array_correct[4] ),
-                array( $question->answer_six, $question->answer_six_points, $mlw_answer_array_correct[5] ),
-            );
-        }
-        $answers_original = $answers;
-        if ( 2 === intval( $quiz_options->randomness_order ) || 3 === intval( $quiz_options->randomness_order ) ) {
-            $answers = self::qsm_shuffle_assoc( $answers );
-            global $quiz_answer_random_ids;
-            $answer_ids = array_keys($answers);
-            $quiz_answer_random_ids[ $question_id ] = $answer_ids;
-        }
-
-        // convert answer array into key value pair
-        $answers_kvpair = array();
-        foreach ( $answers as $answer_item ) {
-            $key                    = array_search( $answer_item, $answers_original, true );
-            $answers_kvpair[ $key ] = $answer_item;
-        }
-        unset( $answer_item );
-        $answers = $answers_kvpair;
-
-        /**
-         * Filter Answers of specific question before display
-         */
-        $answers = apply_filters( 'qsm_single_question_answers', $answers, $question, $quiz_options );
-        foreach ( $this->question_types as $type ) {
-            if ( strtolower( str_replace( ' ', '-', $slug ) ) === $type['slug'] && ! empty( $type['display'] ) && function_exists( $type['display'] ) ) {
-                $qmn_all_questions_count += 1;
-                if ( $type['graded'] ) {
-                    $qmn_total_questions += 1;
-                    if ( 1 === intval( $quiz_options->question_numbering ) ) { ?>
-                        <span class='mlw_qmn_question_number'><?php echo esc_html( $qmn_total_questions ); ?>.&nbsp;</span>
-                        <?php
-                    }
-                }
-                if ( $quiz_options->show_category_on_front ) {
-                    $categories = QSM_Questions::get_question_categories( $question_id );
-                    if ( ! empty( $categories['category_name'] ) ) {
-                        $cat_name = implode( ',', $categories['category_name'] );
-                        ?>
-                        <div class="quiz-cat"><?php echo esc_html( $cat_name ); ?></div>
-                        <?php
-                    }
-                }
-
-                call_user_func( $type['display'], intval( $question_id ), $question->question_name, $answers );
-                do_action( 'qsm_after_question', $question );
-            }
-        }
-    }
-
-    public function get_questions_count( $quiz_id = 0 ) {
-        global $wpdb;
-        $quiz_id = intval( $quiz_id );
-        $count   = 0;
-        if ( empty( $quiz_id ) || 0 == $quiz_id ) {
-            return $count;
-        }
-
-        $quiz_settings = $wpdb->get_var( $wpdb->prepare( "SELECT `quiz_settings` FROM `{$wpdb->prefix}mlw_quizzes` WHERE `quiz_id`=%d", $quiz_id ) );
-        if ( ! empty( $quiz_settings ) ) {
-            $settings    = maybe_unserialize( $quiz_settings );
-            $pages       = isset( $settings['pages'] ) ? maybe_unserialize( $settings['pages'] ) : array();
-            if ( ! empty( $pages ) ) {
-                foreach ( $pages as $page ) {
-                    $count += count( $page );
-                }
-            }
-        }
-        return $count;
-    }
-
-    public function get_questions_ids( $quiz_id = 0 ) {
-        global $wpdb;
-        $quiz_id = intval( $quiz_id );
-        $ids   = array();
-        if ( empty( $quiz_id ) || 0 == $quiz_id ) {
-            return $ids;
-        }
-
-        $quiz_settings = $wpdb->get_var( $wpdb->prepare( "SELECT `quiz_settings` FROM `{$wpdb->prefix}mlw_quizzes` WHERE `quiz_id`=%d", $quiz_id ) );
-        if ( ! empty( $quiz_settings ) ) {
-            $settings    = maybe_unserialize( $quiz_settings );
-            $pages       = isset( $settings['pages'] ) ? maybe_unserialize( $settings['pages'] ) : array();
-            if ( ! empty( $pages ) ) {
-                foreach ( $pages as $page ) {
-                    $ids = array_merge($ids, $page );
-                }
-            }
-        }
-        return $ids;
-    }
-
-    /**
-     * Shuffle assoc array
-     *
-     * @since  7.3.11
-     * @param  array $list An array
-     * @return array
-     */
-    public static function qsm_shuffle_assoc( $list ) {
-        if ( ! is_array( $list ) ) {
-            return $list;
-        }
-        $keys    = array_keys( $list );
-        shuffle( $keys );
-        $random  = array();
-        foreach ( $keys as $key ) {
-            $random[ $key ] = $list[ $key ];
-        }
-        return $random;
-    }
-
-    /**
-     * Find the key of the first occurrence of a substring in an array
-     */
-    public static function qsm_stripos_array( $str, array $arr ) {
-        if ( is_array( $arr ) ) {
-            foreach ( $arr as $a ) {
-                if ( stripos( $str, $a ) !== false ) {
-                    return $a;
-                }
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Default strings
-     * Translation not added in empty string due to warning ( WordPress.WP.I18n.NoEmptyStrings )
-     */
-    public static function get_default_texts() {
-        $defaults = array(
-            'message_before'                   => __('Welcome to your %QUIZ_NAME%', 'quiz-master-next'),
-            'message_comment'                  => __('Please fill in the comment box below.', 'quiz-master-next'),
-            'message_end_template'             => '',
-            'question_answer_template'         => __('%QUESTION%<br />%USER_ANSWERS_DEFAULT%<br/>%CORRECT_ANSWER_INFO%', 'quiz-master-next'),
-            'question_answer_email_template'   => __('%QUESTION%<br />Answer Provided: %USER_ANSWER%<br/>Correct Answer: %CORRECT_ANSWER%<br/>Comments Entered: %USER_COMMENTS%', 'quiz-master-next'),
-            'total_user_tries_text'            => __('You have utilized all of your attempts to pass this quiz.', 'quiz-master-next'),
-            'require_log_in_text'              => __('This quiz is for logged in users only.', 'quiz-master-next'),
-            'limit_total_entries_text'         => __('Unfortunately, this quiz has a limited amount of entries it can recieve and has already reached that limit.', 'quiz-master-next'),
-            'scheduled_timeframe_text'         => '',
-            'twitter_sharing_text'             => __('I just scored %CORRECT_SCORE%% on %QUIZ_NAME%!', 'quiz-master-next'),
-            'facebook_sharing_text'            => __('I just scored %CORRECT_SCORE%% on %QUIZ_NAME%!', 'quiz-master-next'),
-            'linkedin_sharing_text'            => __('I just scored %CORRECT_SCORE%% on %QUIZ_NAME%!', 'quiz-master-next'),
-            'submit_button_text'               => __('Submit', 'quiz-master-next'),
-            'retake_quiz_button_text'          => __('Retake Quiz', 'quiz-master-next'),
-            'previous_button_text'             => __('Previous', 'quiz-master-next'),
-            'next_button_text'                 => __('Next', 'quiz-master-next'),
-            'deselect_answer_text'             => __('Deselect Answer', 'quiz-master-next'),
-            'empty_error_text'                 => __('Please complete all required fields!', 'quiz-master-next'),
-            'email_error_text'                 => __('Not a valid e-mail address!', 'quiz-master-next'),
-            'number_error_text'                => __('This field must be a number!', 'quiz-master-next'),
-            'incorrect_error_text'             => __('The entered text is not correct!', 'quiz-master-next'),
-            'url_error_text'                   => __('The entered URL is not valid!', 'quiz-master-next'),
-            'minlength_error_text'             => __('Required atleast %minlength% characters.', 'quiz-master-next'),
-            'maxlength_error_text'             => __('Minimum %maxlength% characters allowed.', 'quiz-master-next'),
-            'comment_field_text'               => __('Comments', 'quiz-master-next'),
-            'hint_text'                        => __('Hint', 'quiz-master-next'),
-            'quick_result_correct_answer_text' => __('Correct! You have selected correct answer.', 'quiz-master-next'),
-            'quick_result_wrong_answer_text'   => __('Wrong! You have selected wrong answer.', 'quiz-master-next'),
-            'quiz_processing_message'          => '',
-            'quiz_limit_choice'                => __('Limit of choice is reached.', 'quiz-master-next'),
-            'name_field_text'                  => __('Name', 'quiz-master-next'),
-            'business_field_text'              => __('Business', 'quiz-master-next'),
-            'email_field_text'                 => __('Email', 'quiz-master-next'),
-            'phone_field_text'                 => __('Phone Number', 'quiz-master-next'),
-            'start_quiz_text'                  => __('Start Quiz', 'quiz-master-next'),
-            'start_survey_text'                => __('Start Survey', 'quiz-master-next'),
-        );
-        return apply_filters( 'qsm_default_texts', $defaults );
-    }
-
-    /**
-     * Register string in WPML for translation
-     */
-    public static function qsm_register_language_support( $translation_text = '', $translation_slug = '', $domain = 'QSM Meta' ) {
-        if ( ! empty( $translation_text ) && is_plugin_active( 'wpml-string-translation/plugin.php' ) ) {
-            $translation_slug = sanitize_title( $translation_slug );
-            /**
-             * Register the string for translation
-             */
-            do_action( 'wpml_register_single_string', $domain, $translation_slug, $translation_text );
-        }
-    }
-
-    /**
-     * Translate string before display
-     */
-    public static function qsm_language_support( $translation_text = '', $translation_slug = '', $domain = 'QSM Meta' ) {
-
-        /**
-         * Check if WPML String Translation plugin is activated.
-         */
-        if ( ! empty( $translation_text ) && is_plugin_active( 'wpml-string-translation/plugin.php' ) ) {
-            /**
-             * Decode HTML Special characters.
-             */
-            $translation_text = wp_kses_post( htmlspecialchars_decode( $translation_text, ENT_QUOTES ) );
-            $translation_slug    = sanitize_title( $translation_slug );
-            $new_text            = apply_filters( 'wpml_translate_single_string', $translation_text, $domain, $translation_slug );
-            if ( 'QSM Answers' === $domain && $new_text == $translation_text ) {
-                if ( 0 === strpos($translation_slug, 'caption-') ) {
-                    $translation_slug    = sanitize_title( 'caption-' . $translation_text );
-                }else {
-                    $translation_slug    = sanitize_title( 'answer-' . $translation_text );
-                }
-                $new_text            = apply_filters( 'wpml_translate_single_string', $translation_text, $domain, $translation_slug );
-            }
-            $new_text            = wp_kses_post( htmlspecialchars_decode( $new_text, ENT_QUOTES ) );
-            /**
-             * Return translation for non-default strings.
-             */
-            if ( "QSM Meta" != $domain ) {
-                return $new_text;
-            }
-            /**
-             * Check if translation exist.
-             */
-            if ( 0 !== strcasecmp( $translation_text, $new_text ) ) {
-                return $new_text;
-            }
-            /**
-             * Check if translation exist for default string.
-             */
-            $default_texts   = self::get_default_texts();
-            $default_key     = self::qsm_stripos_array( $translation_slug, array_keys( $default_texts ) );
-            if ( false !== $default_key && 0 === strcasecmp( $translation_text, $default_texts[ $default_key ] ) ) {
-                return apply_filters( 'wpml_translate_single_string', $translation_text, 'QSM Defaults', 'quiz_' . $default_key );
-            }
-        } elseif ( ! empty( $translation_text ) ) {
-            $translation_text = wp_kses_post( $translation_text );
-        }
-
-        return $translation_text;
-    }
-
-    public function qsm_add_default_translations() {
-        $default_texts = self::get_default_texts();
-        if ( empty( $default_texts ) ) {
-            return;
-        }
-        if ( is_plugin_active( 'wpml-string-translation/plugin.php' ) ) {
-            foreach ( $default_texts as $key => $text ) {
-                if ( ! empty( $text ) ) {
-                    $translation_slug = sanitize_title( 'quiz_' . $key );
-                    /**
-                     * Register the string for translation
-                     */
-                    do_action( 'wpml_register_single_string', 'QSM Defaults', $translation_slug, $text );
-                }
-            }
-        }
-    }
-
-    public function qsm_add_question_translations( $question_id, $question_data ) {
-        $settings    = isset( $question_data['question_settings'] ) ? maybe_unserialize( $question_data['question_settings'] ) : array();
-        $hints       = isset( $question_data['hints'] ) ? $question_data['hints'] : '';
-        $answer_info = isset( $question_data['question_answer_info'] ) ? html_entity_decode( $question_data['question_answer_info'] ) : '';
-
-        $this->qsm_register_language_support( htmlspecialchars_decode( isset($settings['question_title']) ? $settings['question_title'] : '', ENT_QUOTES ), "Question-{$question_id}", "QSM Questions" );
-        $this->qsm_register_language_support( htmlspecialchars_decode( $question_data['question_name'], ENT_QUOTES ), "question-description-{$question_id}", "QSM Questions" );
-        $this->qsm_register_language_support( $hints, "hint-{$question_id}" );
-        $this->qsm_register_language_support( $answer_info, "correctanswerinfo-{$question_id}" );
-
-        $answers = isset( $question_data['answer_array'] ) ? maybe_unserialize( $question_data['answer_array'] ) : array();
-        if ( ! empty( $answers ) ) {
-            $answerEditor = isset( $settings['answerEditor'] ) ? $settings['answerEditor'] : 'text';
-            foreach ( $answers as $key => $ans ) {
-                if ( 'image' === $answerEditor ) {
-                    $caption_text = trim( htmlspecialchars_decode( $ans[3], ENT_QUOTES ) );
-                    $this->qsm_register_language_support( $caption_text, 'caption-' . $question_id . '-' . $key, 'QSM Answers' );
-                } else {
-                    $answer_text = trim( htmlspecialchars_decode( $ans[0], ENT_QUOTES ) );
-                    $this->qsm_register_language_support( $answer_text, 'answer-' . $question_id . '-' . $key, 'QSM Answers' );
-                }
-            }
-        }
-    }
-
-    public function qsm_add_text_message_translations( $quiz_id, $text_id, $message ) {
-        $message = htmlspecialchars_decode( $message, ENT_QUOTES );
-        $this->qsm_register_language_support( $message, "quiz_{$text_id}-{$quiz_id}" );
-    }
-
-    public function qsm_add_quiz_settings_translations( $quiz_id, $section, $settings_array ) {
-        if ( 'quiz_text' == $section && ! empty( $settings_array ) ) {
-            foreach ( $settings_array as $key => $val ) {
-                if ( ! empty( $val ) ) {
-                    $this->qsm_register_language_support( htmlspecialchars_decode( $val, ENT_QUOTES ), "quiz_{$key}-{$quiz_id}" );
-                }
-            }
-        }
-    }
-
-    /**
-     * Calculates Score For Question
-     *
-     * Calculates the score for the question based on the question type
-     *
-     * @since  4.0.0
-     * @param  string $slug        The slug of the question type that the question is
-     * @param  int    $question_id The id of the question
-     * @return array An array of the user's score from the question
-     */
-    public function display_review( $slug, $question_id ) {
-        $results_array = array();
-        global $wpdb;
-        $question = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM ' . $wpdb->prefix . 'mlw_questions WHERE question_id=%d', intval( $question_id ) ) );
-        $answers  = maybe_unserialize( $question->answer_array );
-        if ( empty( $answers ) || ! is_array( $answers ) ) {
-            $mlw_answer_array_correct                                  = array( 0, 0, 0, 0, 0, 0 );
-            $mlw_answer_array_correct[ $question->correct_answer - 1 ] = 1;
-            $answers = array(
-                array( $question->answer_one, $question->answer_one_points, $mlw_answer_array_correct[0] ),
-                array( $question->answer_two, $question->answer_two_points, $mlw_answer_array_correct[1] ),
-                array( $question->answer_three, $question->answer_three_points, $mlw_answer_array_correct[2] ),
-                array( $question->answer_four, $question->answer_four_points, $mlw_answer_array_correct[3] ),
-                array( $question->answer_five, $question->answer_five_points, $mlw_answer_array_correct[4] ),
-                array( $question->answer_six, $question->answer_six_points, $mlw_answer_array_correct[5] ),
-            );
-        }
-        foreach ( $this->question_types as $type ) {
-            if ( strtolower( str_replace( ' ', '-', $slug ) ) === $type['slug'] ) {
-                if ( ! is_null( $type['review'] ) ) {
-                    $results_array = call_user_func( $type['review'], intval( $question_id ), $question->question_name, $answers );
-                } else {
-                    $results_array = array( 'null_review' => true );
-                }
-            }
-        }
-        return $results_array;
-    }
-
-    /**
-     * Retrieves A Question Setting
-     *
-     * Retrieves a setting stored in the question settings array
-     *
-     * @since  4.0.0
-     * @param  int    $question_id The id of the question
-     * @param  string $setting     The name of the setting
-     * @return string The value stored for the setting
-     */
-    public function get_question_setting( $question_id, $setting ) {
-        global $wpdb;
-        $settings           = $wpdb->get_var( $wpdb->prepare( 'SELECT question_settings FROM ' . $wpdb->prefix . 'mlw_questions WHERE question_id=%d', $question_id ) );
-        $qmn_settings_array = maybe_unserialize( $settings );
-
-        if ( is_array( $qmn_settings_array ) && isset( $qmn_settings_array[ $setting ] ) ) {
-            return $qmn_settings_array[ $setting ];
-        } else {
-            return '';
-        }
-    }
-
-    /**
-     * Registers Addon Settings Tab
-     *
-     * Registers a new tab on the addon settings page
-     *
-     * @since  4.0.0
-     * @param  string $title    The name of the tab
-     * @param  string $function The function that displays the tab's content
-     * @return void
-     */
-    public function register_addon_settings_tab( $title, $function ) {
-        $slug               = strtolower( str_replace( ' ', '-', $title ) );
-        $new_tab            = array(
-            'title'    => $title,
-            'function' => $function,
-            'slug'     => $slug,
-        );
-        $this->addon_tabs[] = $new_tab;
-    }
-
-    /**
-     * Retrieves Addon Settings Tab Array
-     *
-     * Retrieves the array of titles and functions of the registered tabs
-     *
-     * @since  4.0.0
-     * @return array The array of registered tabs
-     */
-    public function get_addon_tabs() {
-        return $this->addon_tabs;
-    }
-
-    /**
-     * Registers Stats Tab
-     *
-     * Registers a new tab on the stats page
-     *
-     * @since  4.3.0
-     * @param  string $title    The name of the tab
-     * @param  string $function The function that displays the tab's content
-     * @return void
-     */
-    public function register_stats_settings_tab( $title, $function ) {
-        $slug               = strtolower( str_replace( ' ', '-', $title ) );
-        $new_tab            = array(
-            'title'    => $title,
-            'function' => $function,
-            'slug'     => $slug,
-        );
-        $this->stats_tabs[] = $new_tab;
-    }
-
-    /**
-     * Retrieves Stats Tab Array
-     *
-     * Retrieves the array of titles and functions of the registered tabs
-     *
-     * @since  4.3.0
-     * @return array The array of registered tabs
-     */
-    public function get_stats_tabs() {
-        return $this->stats_tabs;
-    }
-
-    /**
-     * Registers tabs for the Admin Results page
-     *
-     * Registers a new tab on the admin results page
-     *
-     * @since  5.0.0
-     * @param  string $title    The name of the tab
-     * @param  string $function The function that displays the tab's content
-     * @return void
-     */
-    public function register_admin_results_tab( $title, $function, $priority = 10 ) {
-        $slug                       = strtolower( str_replace( ' ', '-', $title ) );
-        $new_tab                    = array(
-            'title'    => $title,
-            'function' => $function,
-            'slug'     => $slug,
-            'priority' => $priority,
-        );
-        $this->admin_results_tabs[] = $new_tab;
-    }
-
-    /**
-     * Retrieves Admin Results Tab Array
-     *
-     * Retrieves the array of titles and functions for the tabs registered for the admin results page
-     *
-     * @since  5.0.0
-     * @return array The array of registered tabs
-     */
-    public function get_admin_results_tabs() {
-        /**
-         * Sort tabs by priority
-         */
-        array_multisort( array_column($this->admin_results_tabs, 'priority'), SORT_ASC, $this->admin_results_tabs);
-        return apply_filters( 'qmn_admin_results_tabs', $this->admin_results_tabs );
-    }
-
-    /**
-     * Registers Results Tab
-     *
-     * Registers a new tab on the results page
-     *
-     * @since  4.1.0
-     * @param  string $title    The name of the tab
-     * @param  string $function The function that displays the tab's content
-     * @return void
-     */
-    public function register_results_settings_tab( $title, $function ) {
-        $slug                 = strtolower( str_replace( ' ', '-', $title ) );
-        $new_tab              = array(
-            'title'    => $title,
-            'function' => $function,
-            'slug'     => $slug,
-        );
-        $this->results_tabs[] = $new_tab;
-    }
-
-    /**
-     * Retrieves Results Tab Array
-     *
-     * Retrieves the array of titles and functions of the registered tabs
-     *
-     * @since  4.1.0
-     * @return array The array of registered tabs
-     */
-    public function get_results_tabs() {
-        return $this->results_tabs;
-    }
-
-    /**
-     * Registers Quiz Settings Tab
-     *
-     * Registers a new tab on the quiz settings page
-     *
-     * @since  4.0.0
-     * @param  string $title    The name of the tab
-     * @param  string $function The function that displays the tab's content
-     * @return void
-     */
-    public function register_quiz_settings_tabs( $title, $function, $slug = '' ) {
-        if ( '' === $slug ) {
-            $slug = strtolower( str_replace( ' ', '-', $title ) );
-        }
-        $new_tab               = array(
-            'title'    => $title,
-            'function' => $function,
-            'slug'     => $slug,
-        );
-        $this->settings_tabs[] = $new_tab;
-    }
-
-    /**
-     * Echos Registered Tabs Title Link
-     *
-     * Echos the title link of the registered tabs
-     *
-     * @since  4.0.0
-     * @return array The array of registered tabs
-     */
-    public function get_settings_tabs() {
-        return apply_filters( 'qmn_quiz_setting_tabs', $this->settings_tabs );
-    }
-
-    /**
-     * global animatiocv array return
-     *
-     * @since 4.7.1
-     */
-    public function quiz_animation_effect() {
-
-        return array(
-            array(
-                'label' => __( 'bounce', 'quiz-master-next' ),
-                'value' => 'bounce',
-            ),
-            array(
-                'label' => __( 'flash', 'quiz-master-next' ),
-                'value' => 'flash',
-            ),
-            array(
-                'label' => __( 'pulse', 'quiz-master-next' ),
-                'value' => 'pulse',
-            ),
-            array(
-                'label' => __( 'rubberBand', 'quiz-master-next' ),
-                'value' => 'rubberBand',
-            ),
-            array(
-                'label' => __( 'shake', 'quiz-master-next' ),
-                'value' => 'shake',
-            ),
-            array(
-                'label' => __( 'swing', 'quiz-master-next' ),
-                'value' => 'swing',
-            ),
-            array(
-                'label' => __( 'tada', 'quiz-master-next' ),
-                'value' => 'tada',
-            ),
-            array(
-                'label' => __( 'wobble', 'quiz-master-next' ),
-                'value' => 'wobble',
-            ),
-            array(
-                'label' => __( 'jello', 'quiz-master-next' ),
-                'value' => 'jello',
-            ),
-            array(
-                'label' => __( 'heartBeat', 'quiz-master-next' ),
-                'value' => 'heartBeat',
-            ),
-            array(
-                'label' => __( 'Select Quiz Animation', 'quiz-master-next' ),
-                'value' => '',
-            ),
-        );
-
-    }
-
-    /**
-     * converts dates into preferred date format
-     *
-     * @since  7.3.3
-     * @param  array $qsm_qna_array The array of results for the quiz
-     * @uses   QMNQuizManager:submit_results() submits and displays results
-     * @uses   qsm_generate_results_details_tab() generates admin results page
-     * @return array $qsm_qna_array date formatted array of results for the quiz
-     */
-
-    public function convert_to_preferred_date_format( $qsm_qna_array ) {
-        global $mlwQuizMasterNext;
-        $quiz_options        = $mlwQuizMasterNext->quiz_settings->get_quiz_options();
-        $qsm_quiz_settings   = maybe_unserialize( $quiz_options->quiz_settings );
-        $qsm_quiz_options    = maybe_unserialize( $qsm_quiz_settings['quiz_options'] );
-        $qsm_global_settings = get_option( 'qsm-quiz-settings' );
-        // check if preferred date format is set at quiz level or plugin level. Default to WP date format otherwise
-        if ( isset( $qsm_quiz_options['preferred_date_format'] ) ) {
-            $preferred_date_format = $qsm_quiz_options['preferred_date_format'];
-        } elseif ( isset( $qsm_global_settings['preferred_date_format'] ) ) {
-            $preferred_date_format = isset( $qsm_global_settings['preferred_date_format'] );
-        } else {
-            $preferred_date_format = get_option( 'date_format' );
-        }
-        // filter date format
-        $GLOBALS['qsm_date_format'] = apply_filters( 'qms_preferred_date_format', $preferred_date_format );
-
-        $qsm_qna_array = $this->convert_contacts_to_preferred_date_format( $qsm_qna_array );
-        $qsm_qna_array = $this->convert_answers_to_preferred_date_format( $qsm_qna_array );
-        $this->convert_questions_to_preferred_date_format();
-
-        return $qsm_qna_array;
-    }
-
-    /**
-     * converts contacts into preferred date format
-     *
-     * @since  7.3.3
-     * @param  array $qsm_qna_array The array of results for the quiz
-     * @uses   convert_to_preferred_date_format()
-     * @return array $qsm_qna_array date formatted array of results for the quiz
-     */
-
-    public function convert_contacts_to_preferred_date_format( $qsm_qna_array ) {
-
-        $qsm_contact_array = $qsm_qna_array['contact'];
-        foreach ( $qsm_contact_array as $qsm_contact_id => $qsm_contact ) {
-            if ( ( isset($qsm_contact['type']) && 'date' === $qsm_contact['type'] ) && ( isset($qsm_contact['value']) && '' !== $qsm_contact['value'] ) && null !== $GLOBALS['qsm_date_format'] ) {
-                $qsm_qna_array['contact'][ $qsm_contact_id ]['value'] = date_i18n( $GLOBALS['qsm_date_format'], strtotime( ( $qsm_contact['value'] ) ) );
-            }
-        }
-        return $qsm_qna_array;
-    }
-
-    /**
-     * converts answers into preferred date format
-     *
-     * @since  7.3.3
-     * @param  array $qsm_qna_array The array of results for the quiz
-     * @uses   convert_to_preferred_date_format()
-     * @return array $qsm_qna_array date formatted array of results for the quiz
-     */
-
-    public function convert_answers_to_preferred_date_format( $qsm_qna_array ) {
-
-        $qsm_qna_list = $qsm_qna_array['question_answers_array'];
-        foreach ( $qsm_qna_list as $qna_id => $qna ) {
-            if ( '12' === $qna['question_type'] && null !== $GLOBALS['qsm_date_format'] ) {
-                $qsm_qna_array['question_answers_array'][ $qna_id ]['1'] = date_i18n( $GLOBALS['qsm_date_format'], strtotime( ( $qna['1'] ) ) );
-                $qsm_qna_array['question_answers_array'][ $qna_id ]['2'] = date_i18n( $GLOBALS['qsm_date_format'], strtotime( ( $qna['2'] ) ) );
-            }
-        }
-        return $qsm_qna_array;
-    }
-
-    /**
-     * converts questions into preferred date format
-     *
-     * @since  7.3.3
-     * @param  array $qsm_qna_array The array of results for the quiz
-     * @uses   convert_to_preferred_date_format()
-     * @return array $qsm_qna_array date formatted array of results for the quiz
-     */
-
-    public function convert_questions_to_preferred_date_format() {
-        if ( ! function_exists( 'qsm_convert_question_array_date_format' ) ) {
-            function qsm_convert_question_array_date_format( $questions ) {
-                foreach ( $questions as $question_id => $question_to_convert ) {
-                    if ( '12' === $question_to_convert['question_type_new'] ) {
-                        foreach ( $question_to_convert['answers'] as $answer_id => $answer_value ) {
-                            $questions[ $question_id ]['answers'][ $answer_id ][0] = date_i18n( $GLOBALS['qsm_date_format'], strtotime( $answer_value[0] ) );
-                        }
-                    }
-                }
-                return $questions;
-            }
-        }
-        add_filter( 'qsm_load_questions_by_pages', 'qsm_convert_question_array_date_format' );
-    }
-
-    /**
-     *
-     *
-     * @since  7.3.5
-     * @param  array
-     * @uses
-     * @return array
-     */
-
-    public function qsm_results_css_inliner( $html ) {
-
-        global $mlwQuizMasterNext;
-        $grading = $mlwQuizMasterNext->pluginHelper->get_section_setting( 'quiz_options', 'system' );
-        $wr_sign = 1 != $grading ? "&#x2715;&nbsp;" : "";
-
-        $html    = str_replace( '<br/>', '<br>', $html );
-        $html    = str_replace( '<br />', '<br>', $html );
-        $html    = str_replace( "class='qmn_question_answer", "style='margin-bottom:30px' class='", $html );
-        $html    = preg_replace( '/<span class="qsm-text-simple-option(.*?)">(.*?)<\/span>/', "<span style='color:#808080;display:block;margin-bottom:5px;'>&#8226;&nbsp;$2</span>", $html );
-        $html    = preg_replace( '/<span class="qsm-text-wrong-option(.*?)">(.*?)<\/span>/', "<span style='color:red;display:block;margin-bottom:5px;'>&#x2715;&nbsp;$2</span>", $html );
-        $html    = preg_replace( '/<span class="qmn_user_incorrect_answer(.*?)">(.*?)<\/span>/', "<span style='color:red;display:block;margin-bottom:5px;'>".$wr_sign."$2</span>", $html );
-        $html    = preg_replace( '/<span class="qsm-text-correct-option(.*?)">(.*?)<\/span>/', "<span style='color:green;display:block;margin-bottom:5px;'>&#10003;&nbsp;$2</span>", $html );
-        $html    = preg_replace( '/<span class="qmn_user_correct_answer(.*?)">(.*?)<\/span>/', "<span style='color:green;display:block;margin-bottom:5px;'>&#10003;&nbsp;$2</span>", $html );
-
-        return $html;
-    }
-
-    /** */
-    public function categorize_question_types() {
-        $question_type_categorized   = array();
-        $question_type_uncategorized = array();
-        foreach ( $this->question_types as $question_type ) {
-            $is_categorized = isset( $question_type ['category'] ) && '' !== $question_type ['category'];
-            if ( $is_categorized ) {
-                $question_type_categorized[ $question_type ['category'] ] [ $question_type['slug'] ] = array(
-                    'slug'     => $question_type['slug'],
-                    'name'     => $question_type['name'],
-                    'disabled' => (isset( $question_type['display'] ) && '-1' == $question_type['display']) ? true : false,
-                );
-            } else {
-                $question_type_uncategorized['uncategorized'][ $question_type['slug'] ] = array(
-                    'slug'     => $question_type['slug'],
-                    'name'     => $question_type['name'],
-                    'disabled' => (isset( $question_type['display'] ) && '-1' == $question_type['display']) ? true : false,
-                );
-            }
-        }
-        $question_type_categorized = array_merge( $question_type_categorized, $question_type_uncategorized );
-        return $question_type_categorized;
-    }
-
-    public function description_array() {
-        return array(
-            array(
-                'question_type_id' => 11,
-                'description'      => __( 'For this question type, users will see a file upload field on front end.', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '14',
-                'description'      => __( 'Use %BLANK% variable in the description field to display input boxes.', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '12',
-                'description'      => __( 'For this question type, users will see a date input field on front end.', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '3',
-                'description'      => __( 'For this question type, users will see a standard input box on front end.', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '5',
-                'description'      => __( 'For this question type, users will see a standard textarea input box on front end.', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '6',
-                'description'      => __( 'Displays a simple section on front end. Description is mandatory. ', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '7',
-                'description'      => __( 'For this question type, users will see an input box which accepts only number values on front end.', 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '8',
-                'description'      => __( "For this question type, users will see a checkbox on front end. The text in description field will act like it's label.", 'quiz-master-next' ),
-            ),
-            array(
-                'question_type_id' => '9',
-                'description'      => __( 'For this question type, users will see a Captcha field on front end.', 'quiz-master-next' ),
-            ),
-            // array(
-            // 'question_type_id' => '13',
-            // 'description'      => __( 'Use points based grading system for Polar questions.', 'quiz-master-next' ),
-            // ),
-        );
-    }
-
-    public function qsm_get_limited_options( $options, $limit ) {
-        $correct = array_filter( $options, fn( $o, $k ) => 1 == $o[2], ARRAY_FILTER_USE_BOTH );
-        $incorrect = array_filter( $options, fn( $o, $k ) => 0 == $o[2], ARRAY_FILTER_USE_BOTH );
-        shuffle( $incorrect );
-        $final = array_merge( $correct, array_slice( $incorrect, 0, $limit - count( $correct ) ) );
-        shuffle( $final );
-        $final_keys = array_map( fn( $k ) => array_search( $k, array_values( $options ), true ),  $final );
-        return array(
-            'final'             => $final,
-            'answer_limit_keys' => implode( ',', $final_keys ),
-        );
-    }
-
-    public function qsm_get_limited_options_by_keys( $options, $keys ) {
-        return array_map( fn( $k ) => $options[ $k ], explode( ',', $keys ) );
-    }
+class QMNPluginHelper
+{
+
+    /**
+     * Addon Page tabs array
+     *
+     * @var   array
+     * @since 4.0.0
+     */
+    public $addon_tabs = [];
+
+    /**
+     * Stats Page tabs array
+     *
+     * @var   array
+     * @since 4.0.0
+     */
+    public $stats_tabs = [];
+
+    /**
+     * Admin Results Page tabs array
+     *
+     * @var   array
+     * @since 5.0.0
+     */
+    public $admin_results_tabs = [];
+
+    /**
+     * Results Details Page tabs array
+     *
+     * @var   array
+     * @since 4.1.0
+     */
+    public $results_tabs = [];
+
+    /**
+     * Settings Page tabs array
+     *
+     * @var   array
+     * @since 4.0.0
+     */
+    public $settings_tabs = [];
+
+    /**
+     * Question types array
+     *
+     * @var   array
+     * @since 4.0.0
+     */
+    public $question_types = [];
+
+    /**
+     * Template array
+     *
+     * @var   array
+     * @since 4.5.0
+     */
+    public $quiz_templates = [];
+
+    /**
+     * Main Construct Function
+     *
+     * Call functions within class
+     *
+     * @since  4.0.0
+     * @return void
+     */
+    public function __construct()
+    {
+        add_action('wp_ajax_qmn_question_type_change', [ $this, 'get_question_type_edit_content' ]);
+        add_action('admin_init', [ $this, 'qsm_add_default_translations' ], 9999);
+        add_action('qsm_saved_question', [ $this, 'qsm_add_question_translations' ], 10, 2);
+        add_action('qsm_saved_text_message', [ $this, 'qsm_add_text_message_translations' ], 10, 3);
+        add_action('qsm_saved_quiz_settings', [ $this, 'qsm_add_quiz_settings_translations' ], 10, 3);
+
+        add_action('qsm_register_language_support', [ $this, 'qsm_register_language_support' ], 10, 3);
+        add_filter('qsm_language_support', [ $this, 'qsm_language_support' ], 10, 3);
+        add_action('wp_ajax_qsm_validate_result_submission', [ $this, 'qsm_validate_result_submission' ], 10, 3);
+        add_action('wp_ajax_nopriv_qsm_validate_result_submission', [ $this, 'qsm_validate_result_submission' ], 10, 3);
+    }
+
+    public function qsm_validate_result_submission()
+    {
+        global $wpdb, $mlwQuizMasterNext;
+
+        $user_email = isset($_POST['email']) ? sanitize_email(wp_unslash($_POST['email'])) : '';
+        $quiz_id = isset($_POST['quiz_id']) ? intval(wp_unslash($_POST['quiz_id'])) : 0;
+        $total_user_tries = isset($_POST['total_user_tries']) ? intval(wp_unslash($_POST['total_user_tries'])) : 0;
+        $mlw_qmn_user_try_count = 0;
+
+        if (! empty($user_email) && is_email($user_email)) {
+            $mlw_qmn_user_try_count = $wpdb->get_var(
+                $wpdb->prepare(
+                    "SELECT COUNT(*) FROM {$wpdb->prefix}mlw_results WHERE email = %s AND deleted = 0 AND quiz_id = %d",
+                    $user_email,
+                    $quiz_id
+                )
+            );
+        }
+        if ($mlw_qmn_user_try_count < $total_user_tries) {
+            wp_send_json_success();
+        } else {
+            wp_send_json_error();
+        }
+        wp_die();
+    }
+
+    /**
+     * Calls all class functions to check if quiz is setup properly
+     *
+     * @param  int $quiz_id The ID of the quiz or survey to load.
+     * @return array An array which contains boolean result of has_proper_quiz, message and/or qmn_quiz_options
+     */
+    public function has_proper_quiz($quiz_id)
+    {
+        if (empty($quiz_id)) {
+            return [
+                'res'     => false,
+                'message' => __('Empty Quiz ID.', 'quiz-master-next'),
+            ];
+        }
+
+        $quiz_id = intval($quiz_id);
+
+        // Tries to load quiz name to ensure this is a valid ID.
+        global $mlwQuizMasterNext, $qmn_allowed_visit, $qmn_json_data;
+        $qmn_json_data     = [];
+        $qmn_allowed_visit = true;
+        if (false === $this->prepare_quiz($quiz_id)) {
+            return [
+                'res'     => false,
+                'message' => __('It appears that this quiz is not set up correctly.', 'quiz-master-next'),
+            ];
+        }
+
+        $has_result_id = ( ! isset($_GET['result_id']) || '' === $_GET['result_id'] );
+
+        if ($has_result_id) {
+            global $mlw_qmn_quiz;
+            $mlw_qmn_quiz = $quiz_id;
+        }
+
+        $qmn_quiz_options = $mlwQuizMasterNext->quiz_settings->get_quiz_options();
+
+        if ($has_result_id) {
+            /**
+             * Filter Quiz Options before Quiz Display
+             */
+            $qmn_quiz_options = apply_filters('qsm_shortcode_quiz_options', $qmn_quiz_options);
+        }
+
+        // If quiz options isn't found, stop function.
+        if (is_null($qmn_quiz_options) || ( ! empty($qmn_quiz_options->deleted) && 1 == $qmn_quiz_options->deleted )) {
+            return [
+                'res'     => false,
+                'message' => __('This quiz is no longer available.', 'quiz-master-next'),
+            ];
+        }
+
+        // If quiz options isn't found, stop function.
+        if (is_null($qmn_quiz_options) || empty($qmn_quiz_options->quiz_name)) {
+            return [
+                'res'     => false,
+                'message' => __('It appears that this quiz is not set up correctly.', 'quiz-master-next'),
+            ];
+        }
+
+        return [
+            'res'              => true,
+            'message'          => __('Quiz is setup properly.', 'quiz-master-next'),
+            'qmn_quiz_options' => $qmn_quiz_options,
+        ];
+    }
+
+    /**
+     * Calls all class functions to initialize quiz
+     *
+     * @param  int $quiz_id The ID of the quiz or survey to load.
+     * @return bool True or False if ID is valid.
+     */
+    public function prepare_quiz($quiz_id)
+    {
+        $quiz_id = intval($quiz_id);
+
+        // Tries to load quiz name to ensure this is a valid ID.
+        global $wpdb;
+        $quiz_name = $wpdb->get_var($wpdb->prepare("SELECT quiz_name FROM {$wpdb->prefix}mlw_quizzes WHERE quiz_id=%d LIMIT 1", $quiz_id));
+        if (is_null($quiz_name)) {
+            return false;
+        }
+
+        global $mlwQuizMasterNext;
+        $mlwQuizMasterNext->quizCreator->set_id($quiz_id);
+        $mlwQuizMasterNext->quiz_settings->prepare_quiz($quiz_id);
+
+        return true;
+    }
+
+    /**
+     * Retrieves all quizzes.
+     *
+     * @param  bool   $include_deleted If set to true, returned array will include all deleted quizzes
+     * @param  string $order_by        The column the quizzes should be ordered by
+     * @param  string $order           whether the $order_by should be ordered as ascending or decending. Can be "ASC" or "DESC"
+     * @param  arr    $user_role       role of current user
+     * @param  int    $user_id         Get the quiz based on user id
+     * @return array All of the quizzes as a numerical array of objects
+     */
+    public function get_quizzes($include_deleted = false, $order_by = 'quiz_id', $order = 'DESC', $user_role = [], $user_id = '', $limit = '', $offset = '', $where = '')
+    {
+        global $wpdb;
+
+        // Set order direction
+        $order_direction = 'DESC';
+        if ('ASC' === $order) {
+            $order_direction = 'ASC';
+        }
+
+        // Set field to sort by
+        switch ($order_by) {
+            case 'last_activity':
+                $order_field = 'last_activity';
+                break;
+
+            case 'quiz_views':
+                $order_field = 'quiz_views';
+                break;
+
+            case 'quiz_taken':
+                $order_field = 'quiz_taken';
+                break;
+
+            case 'title':
+                $order_field = 'quiz_name';
+                break;
+
+            default:
+                $order_field = 'quiz_id';
+                break;
+        }
+
+        // Should we include deleted?
+        $delete = 'WHERE deleted=0';
+        if ('' !== $where) {
+            $delete = $delete . ' AND ' . $where;
+        }
+        if ($include_deleted) {
+            $delete = '';
+        }
+        $user_str = '';
+        if (in_array('author', (array) $user_role, true)) {
+            if ($user_id && '' === $delete) {
+                $user_str = "WHERE quiz_author_id = '$user_id'";
+            } elseif ($user_id && '' !== $delete) {
+                $user_str = " AND quiz_author_id = '$user_id'";
+            }
+        }
+        if ('' !== $where && '' !== $user_str) {
+            $user_str = $user_str . ' AND ' . $where;
+        }
+        $where_str = '';
+        if ('' === $user_str && '' === $delete && '' !== $where) {
+            $where_str = "WHERE $where";
+        }
+        if ('' !== $limit) {
+            $limit = ' limit ' . $offset . ', ' . $limit;
+        }
+        // Get quizzes and return them
+        $delete  = apply_filters('quiz_query_delete_clause', $delete);
+        $quizzes = $wpdb->get_results(stripslashes($wpdb->prepare("SELECT * FROM {$wpdb->prefix}mlw_quizzes %1s %2s %3s ORDER BY %4s %5s %6s", $delete, $user_str, $where_str, $order_field, $order_direction, $limit)));
+        return $quizzes;
+    }
+
+    /**
+     * Registers a quiz setting
+     *
+     * @since 5.0.0
+     * @param array $field_array An array of the components for the settings field
+     */
+    public function register_quiz_setting($field_array, $section = 'quiz_options')
+    {
+        global $mlwQuizMasterNext;
+        $mlwQuizMasterNext->quiz_settings->register_setting($field_array, $section);
+    }
+
+    /**
+     * Retrieves a setting value from a section based on name of section and setting
+     *
+     * @since  5.0.0
+     * @param  string $section The name of the section the setting is registered in
+     * @param  string $setting The name of the setting whose value we need to retrieve
+     * @param  mixed  $default What we need to return if no setting exists with given $setting
+     * @return $mixed Value set for $setting or $default if setting does not exist
+     */
+    public function get_section_setting($section, $setting, $default = false)
+    {
+        global $mlwQuizMasterNext;
+        return apply_filters('qsm_section_setting_text', $mlwQuizMasterNext->quiz_settings->get_section_setting($section, $setting, $default));
+    }
+
+    /**
+     * Retrieves setting value based on name of setting
+     *
+     * @since  4.0.0
+     * @param  string $setting The name of the setting whose value we need to retrieve
+     * @param  mixed  $default What we need to return if no setting exists with given $setting
+     * @return $mixed Value set for $setting or $default if setting does not exist
+     */
+    public function get_quiz_setting($setting, $default = false, $caller = '')
+    {
+        global $mlwQuizMasterNext;
+        if (( 'pages' == $setting || 'qpages' == $setting ) && empty($caller)) {
+            $pages = $mlwQuizMasterNext->quiz_settings->get_setting($setting, $default);
+            $temp_pages = [];
+            foreach ($pages as $index => $page) {
+                $page_should_display = [];
+                $page = 'qpages' == $setting ? $page['questions'] : $page;
+                foreach ($page as $key => $question_id) {
+                    $isPublished = $mlwQuizMasterNext->pluginHelper->get_question_setting($question_id, 'isPublished');
+                    if ('' == $isPublished || ( '' != $isPublished && 1 === intval($isPublished) )) {
+                        $page_should_display[]  = true;
+                    } elseif ('' != $isPublished && 0 === intval($isPublished)) {
+                        $page_should_display[] = false;
+                        unset($page[ $key ]);
+                    }
+                }
+                if (in_array(true, $page_should_display, true)) {
+                    if ('qpages' == $setting) {
+                        $pages[ $index ]['questions'] = $page;
+                        $temp_pages[] = $pages[ $index ];
+                    } else {
+                        $temp_pages[] = $page;
+                    }
+                }
+            }
+            return $temp_pages;
+        }
+        return $mlwQuizMasterNext->quiz_settings->get_setting($setting, $default);
+    }
+
+    /**
+     * Updates a settings value, adding it if it didn't already exist
+     *
+     * @since  4.0.0
+     * @param  string $setting The name of the setting whose value we need to retrieve
+     * @param  mixed  $value   The value that needs to be stored for the setting
+     * @return bool True if successful or false if fails
+     */
+    public function update_quiz_setting($setting, $value)
+    {
+        global $mlwQuizMasterNext;
+        return $mlwQuizMasterNext->quiz_settings->update_setting($setting, $value);
+    }
+
+    /**
+     * Outputs the section of input fields
+     *
+     * @since 5.0.0
+     * @since 7.0 Added new parameter settings_fields for default setting
+     * @param string $section The section that the settings were registered with
+     */
+    public function generate_settings_section($section = 'quiz_options', $settings_fields = [])
+    {
+        global $mlwQuizMasterNext;
+        if (empty($settings_fields)) {
+            $settings_fields = $mlwQuizMasterNext->quiz_settings->load_setting_fields($section);
+        }
+        QSM_Fields::generate_section($settings_fields, $section);
+    }
+
+    /**
+     * Registers Quiz Templates
+     *
+     * @since 4.5.0
+     * @param $name      String of the name of the template
+     * @param $file_path String of the path to the css file
+     */
+    public function register_quiz_template($name, $file_path)
+    {
+        $slug                          = strtolower(str_replace(' ', '-', $name));
+        $this->quiz_templates[ $slug ] = [
+            'name' => $name,
+            'path' => $file_path,
+        ];
+    }
+
+    /**
+     * Returns Template Array
+     *
+     * @since  4.5.0
+     * @param  $name String of the name of the template. If left empty, will return all templates
+     * @return array The array of quiz templates
+     */
+    public function get_quiz_templates($slug = null)
+    {
+        if (is_null($slug)) {
+            return $this->quiz_templates;
+        } elseif (isset($this->quiz_templates[ $slug ])) {
+            return $this->quiz_templates[ $slug ];
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Register Question Types
+     *
+     * Adds a question type to the question type array using the parameters given
+     *
+     * @since  4.0.0
+     * @param  string $name             The name of the Question Type which will be shown when selecting type
+     * @param  string $display_function The name of the function to call when displaying the question
+     * @param  bool   $graded           Tells the plugin if this question is graded or not. This will affect scoring.
+     * @param  string $review_function  The name of the function to call when scoring the question
+     * @param  string $slug             The slug of the question type to be stored with question in database
+     * @param  array  $options          The options for show and hide question validation settings and answer types
+     * @return void
+     */
+    public function register_question_type($name, $display_function, $graded, $review_function = null, $edit_args = null, $save_edit_function = null, $slug = null, $options = [])
+    {
+        if (is_null($slug)) {
+            $slug = strtolower(str_replace(' ', '-', $name));
+        } else {
+            $slug = strtolower(str_replace(' ', '-', $slug));
+        }
+        if (is_null($edit_args) || ! is_array($edit_args)) {
+            $validated_edit_function = [
+                'inputs'       => [
+                    'question',
+                    'answer',
+                    'hint',
+                    'correct_info',
+                    'comments',
+                    'category',
+                    'required',
+                ],
+                'information'  => '',
+                'extra_inputs' => [],
+                'function'     => '',
+            ];
+        } else {
+            $validated_edit_function = [
+                'inputs'       => $edit_args['inputs'],
+                'information'  => $edit_args['information'],
+                'extra_inputs' => $edit_args['extra_inputs'],
+                'function'     => $edit_args['function'],
+            ];
+        }
+        if (is_null($save_edit_function)) {
+            $save_edit_function = '';
+        }
+        $new_type                      = [
+            'name'    => $name,
+            'display' => $display_function,
+            'review'  => $review_function,
+            'graded'  => $graded,
+            'edit'    => $validated_edit_function,
+            'save'    => $save_edit_function,
+            'slug'    => $slug,
+            'options' => $options,
+        ];
+        $new_type = apply_filters('register_question_type_new_type', $new_type);
+        $this->question_types[ $slug ] = $new_type;
+    }
+
+    /**
+     * Retrieves List Of Question Types
+     *
+     * retrieves a list of the slugs and names of the question types
+     *
+     * @since  4.0.0
+     * @return array An array which contains the slug and name of question types that have been registered
+     */
+    public function get_question_type_options()
+    {
+        $type_array = [];
+        foreach ($this->question_types as $type) {
+            $type_array[] = [
+                'slug'    => $type['slug'],
+                'name'    => $type['name'],
+                'options' => $type['options'],
+            ];
+        }
+        return $type_array;
+    }
+
+    /**
+     *
+     */
+    public function set_question_type_meta($type_id, $meta_key, $meta_value)
+    {
+
+        $this->question_types[ $type_id ][ $meta_key ] = $meta_value;
+    }
+
+    public function get_question_type_edit_fields()
+    {
+        $type_array = [];
+        foreach ($this->question_types as $type) {
+            $type_array[ $type['slug'] ] = $type['edit'];
+        }
+        return $type_array;
+    }
+
+    /**
+     * Displays A Question
+     *
+     * Retrieves the question types display function and creates the HTML for the question
+     *
+     * @since  4.0.0
+     * @param  string $slug         The slug of the question type that the question is
+     * @param  int    $question_id  The id of the question
+     * @param  array  $quiz_options An array of the columns of the quiz row from the database
+     * @return string The HTML for the question
+     */
+    public function display_question($slug, $question_id, $quiz_options)
+    {
+        global $wpdb;
+        global $qmn_total_questions, $qmn_all_questions_count;
+        $question = $wpdb->get_row($wpdb->prepare('SELECT * FROM ' . $wpdb->prefix . 'mlw_questions WHERE question_id=%d', intval($question_id)));
+        $answers  = [];
+        if (is_serialized($question->answer_array) && is_array(maybe_unserialize($question->answer_array))) {
+            $answers = maybe_unserialize($question->answer_array);
+        } else {
+            $mlw_answer_array_correct                                  = [ 0, 0, 0, 0, 0, 0 ];
+            $mlw_answer_array_correct[ $question->correct_answer - 1 ] = 1;
+            $answers = [
+                [ $question->answer_one, $question->answer_one_points, $mlw_answer_array_correct[0] ],
+                [ $question->answer_two, $question->answer_two_points, $mlw_answer_array_correct[1] ],
+                [ $question->answer_three, $question->answer_three_points, $mlw_answer_array_correct[2] ],
+                [ $question->answer_four, $question->answer_four_points, $mlw_answer_array_correct[3] ],
+                [ $question->answer_five, $question->answer_five_points, $mlw_answer_array_correct[4] ],
+                [ $question->answer_six, $question->answer_six_points, $mlw_answer_array_correct[5] ],
+            ];
+        }
+        $answers_original = $answers;
+        if (2 === intval($quiz_options->randomness_order) || 3 === intval($quiz_options->randomness_order)) {
+            $answers = self::qsm_shuffle_assoc($answers);
+            global $quiz_answer_random_ids;
+            $answer_ids = array_keys($answers);
+            $quiz_answer_random_ids[ $question_id ] = $answer_ids;
+        }
+
+        // convert answer array into key value pair
+        $answers_kvpair = [];
+        foreach ($answers as $answer_item) {
+            $key                    = array_search($answer_item, $answers_original, true);
+            $answers_kvpair[ $key ] = $answer_item;
+        }
+        unset($answer_item);
+        $answers = $answers_kvpair;
+
+        /**
+         * Filter Answers of specific question before display
+         */
+        $answers = apply_filters('qsm_single_question_answers', $answers, $question, $quiz_options);
+        foreach ($this->question_types as $type) {
+            if (strtolower(str_replace(' ', '-', $slug)) === $type['slug'] && ! empty($type['display']) && function_exists($type['display'])) {
+                $qmn_all_questions_count += 1;
+                if ($type['graded']) {
+                    $qmn_total_questions += 1;
+                    if (1 === intval($quiz_options->question_numbering)) { ?>
+                        <span class='mlw_qmn_question_number'><?php echo esc_html($qmn_total_questions); ?>.&nbsp;</span>
+                        <?php
+                    }
+                }
+                if ($quiz_options->show_category_on_front) {
+                    $categories = QSM_Questions::get_question_categories($question_id);
+                    if (! empty($categories['category_name'])) {
+                        $cat_name = implode(',', $categories['category_name']);
+                        ?>
+                        <div class="quiz-cat"><?php echo esc_html($cat_name); ?></div>
+                        <?php
+                    }
+                }
+
+                call_user_func($type['display'], intval($question_id), $question->question_name, $answers);
+                do_action('qsm_after_question', $question);
+            }
+        }
+    }
+
+    public function get_questions_count($quiz_id = 0)
+    {
+        global $wpdb;
+        $quiz_id = intval($quiz_id);
+        $count   = 0;
+        if (empty($quiz_id) || 0 == $quiz_id) {
+            return $count;
+        }
+
+        $quiz_settings = $wpdb->get_var($wpdb->prepare("SELECT `quiz_settings` FROM `{$wpdb->prefix}mlw_quizzes` WHERE `quiz_id`=%d", $quiz_id));
+        if (! empty($quiz_settings)) {
+            $settings    = maybe_unserialize($quiz_settings);
+            $pages       = isset($settings['pages']) ? maybe_unserialize($settings['pages']) : [];
+            if (! empty($pages)) {
+                foreach ($pages as $page) {
+                    $count += count($page);
+                }
+            }
+        }
+        return $count;
+    }
+
+    public function get_questions_ids($quiz_id = 0)
+    {
+        global $wpdb;
+        $quiz_id = intval($quiz_id);
+        $ids   = [];
+        if (empty($quiz_id) || 0 == $quiz_id) {
+            return $ids;
+        }
+
+        $quiz_settings = $wpdb->get_var($wpdb->prepare("SELECT `quiz_settings` FROM `{$wpdb->prefix}mlw_quizzes` WHERE `quiz_id`=%d", $quiz_id));
+        if (! empty($quiz_settings)) {
+            $settings    = maybe_unserialize($quiz_settings);
+            $pages       = isset($settings['pages']) ? maybe_unserialize($settings['pages']) : [];
+            if (! empty($pages)) {
+                foreach ($pages as $page) {
+                    $ids = array_merge($ids, $page);
+                }
+            }
+        }
+        return $ids;
+    }
+
+    /**
+     * Shuffle assoc array
+     *
+     * @since  7.3.11
+     * @param  array $list An array
+     * @return array
+     */
+    public static function qsm_shuffle_assoc($list)
+    {
+        if (! is_array($list)) {
+            return $list;
+        }
+        $keys    = array_keys($list);
+        shuffle($keys);
+        $random  = [];
+        foreach ($keys as $key) {
+            $random[ $key ] = $list[ $key ];
+        }
+        return $random;
+    }
+
+    /**
+     * Find the key of the first occurrence of a substring in an array
+     */
+    public static function qsm_stripos_array($str, array $arr)
+    {
+        if (is_array($arr)) {
+            foreach ($arr as $a) {
+                if (stripos($str, $a) !== false) {
+                    return $a;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Default strings
+     * Translation not added in empty string due to warning ( WordPress.WP.I18n.NoEmptyStrings )
+     */
+    public static function get_default_texts()
+    {
+        $defaults = [
+            'message_before'                   => __('Welcome to your %QUIZ_NAME%', 'quiz-master-next'),
+            'message_comment'                  => __('Please fill in the comment box below.', 'quiz-master-next'),
+            'message_end_template'             => '',
+            'question_answer_template'         => __('%QUESTION%<br />%USER_ANSWERS_DEFAULT%<br/>%CORRECT_ANSWER_INFO%', 'quiz-master-next'),
+            'question_answer_email_template'   => __('%QUESTION%<br />Answer Provided: %USER_ANSWER%<br/>Correct Answer: %CORRECT_ANSWER%<br/>Comments Entered: %USER_COMMENTS%', 'quiz-master-next'),
+            'total_user_tries_text'            => __('You have utilized all of your attempts to pass this quiz.', 'quiz-master-next'),
+            'require_log_in_text'              => __('This quiz is for logged in users only.', 'quiz-master-next'),
+            'limit_total_entries_text'         => __('Unfortunately, this quiz has a limited amount of entries it can recieve and has already reached that limit.', 'quiz-master-next'),
+            'scheduled_timeframe_text'         => '',
+            'twitter_sharing_text'             => __('I just scored %CORRECT_SCORE%% on %QUIZ_NAME%!', 'quiz-master-next'),
+            'facebook_sharing_text'            => __('I just scored %CORRECT_SCORE%% on %QUIZ_NAME%!', 'quiz-master-next'),
+            'linkedin_sharing_text'            => __('I just scored %CORRECT_SCORE%% on %QUIZ_NAME%!', 'quiz-master-next'),
+            'submit_button_text'               => __('Submit', 'quiz-master-next'),
+            'retake_quiz_button_text'          => __('Retake Quiz', 'quiz-master-next'),
+            'previous_button_text'             => __('Previous', 'quiz-master-next'),
+            'next_button_text'                 => __('Next', 'quiz-master-next'),
+            'deselect_answer_text'             => __('Deselect Answer', 'quiz-master-next'),
+            'empty_error_text'                 => __('Please complete all required fields!', 'quiz-master-next'),
+            'email_error_text'                 => __('Not a valid e-mail address!', 'quiz-master-next'),
+            'number_error_text'                => __('This field must be a number!', 'quiz-master-next'),
+            'incorrect_error_text'             => __('The entered text is not correct!', 'quiz-master-next'),
+            'url_error_text'                   => __('The entered URL is not valid!', 'quiz-master-next'),
+            'minlength_error_text'             => __('Required atleast %minlength% characters.', 'quiz-master-next'),
+            'maxlength_error_text'             => __('Minimum %maxlength% characters allowed.', 'quiz-master-next'),
+            'comment_field_text'               => __('Comments', 'quiz-master-next'),
+            'hint_text'                        => __('Hint', 'quiz-master-next'),
+            'quick_result_correct_answer_text' => __('Correct! You have selected correct answer.', 'quiz-master-next'),
+            'quick_result_wrong_answer_text'   => __('Wrong! You have selected wrong answer.', 'quiz-master-next'),
+            'quiz_processing_message'          => '',
+            'quiz_limit_choice'                => __('Limit of choice is reached.', 'quiz-master-next'),
+            'name_field_text'                  => __('Name', 'quiz-master-next'),
+            'business_field_text'              => __('Business', 'quiz-master-next'),
+            'email_field_text'                 => __('Email', 'quiz-master-next'),
+            'phone_field_text'                 => __('Phone Number', 'quiz-master-next'),
+            'start_quiz_text'                  => __('Start Quiz', 'quiz-master-next'),
+            'start_survey_text'                => __('Start Survey', 'quiz-master-next'),
+        ];
+        return apply_filters('qsm_default_texts', $defaults);
+    }
+
+    /**
+     * Register string in WPML for translation
+     */
+    public static function qsm_register_language_support($translation_text = '', $translation_slug = '', $domain = 'QSM Meta')
+    {
+        if (! empty($translation_text) && is_plugin_active('wpml-string-translation/plugin.php')) {
+            $translation_slug = sanitize_title($translation_slug);
+            /**
+             * Register the string for translation
+             */
+            do_action('wpml_register_single_string', $domain, $translation_slug, $translation_text);
+        }
+    }
+
+    /**
+     * Translate string before display
+     */
+    public static function qsm_language_support($translation_text = '', $translation_slug = '', $domain = 'QSM Meta')
+    {
+
+        /**
+         * Check if WPML String Translation plugin is activated.
+         */
+        if (! empty($translation_text) && is_plugin_active('wpml-string-translation/plugin.php')) {
+            /**
+             * Decode HTML Special characters.
+             */
+            $translation_text = wp_kses_post(htmlspecialchars_decode($translation_text, ENT_QUOTES));
+            $translation_slug    = sanitize_title($translation_slug);
+            $new_text            = apply_filters('wpml_translate_single_string', $translation_text, $domain, $translation_slug);
+            if ('QSM Answers' === $domain && $new_text == $translation_text) {
+                if (0 === strpos($translation_slug, 'caption-')) {
+                    $translation_slug    = sanitize_title('caption-' . $translation_text);
+                } else {
+                    $translation_slug    = sanitize_title('answer-' . $translation_text);
+                }
+                $new_text            = apply_filters('wpml_translate_single_string', $translation_text, $domain, $translation_slug);
+            }
+            $new_text            = wp_kses_post(htmlspecialchars_decode($new_text, ENT_QUOTES));
+            /**
+             * Return translation for non-default strings.
+             */
+            if ("QSM Meta" != $domain) {
+                return $new_text;
+            }
+            /**
+             * Check if translation exist.
+             */
+            if (0 !== strcasecmp($translation_text, $new_text)) {
+                return $new_text;
+            }
+            /**
+             * Check if translation exist for default string.
+             */
+            $default_texts   = self::get_default_texts();
+            $default_key     = self::qsm_stripos_array($translation_slug, array_keys($default_texts));
+            if (false !== $default_key && 0 === strcasecmp($translation_text, $default_texts[ $default_key ])) {
+                return apply_filters('wpml_translate_single_string', $translation_text, 'QSM Defaults', 'quiz_' . $default_key);
+            }
+        } elseif (! empty($translation_text)) {
+            $translation_text = wp_kses_post($translation_text);
+        }
+
+        return $translation_text;
+    }
+
+    public function qsm_add_default_translations()
+    {
+        $default_texts = self::get_default_texts();
+        if (empty($default_texts)) {
+            return;
+        }
+        if (is_plugin_active('wpml-string-translation/plugin.php')) {
+            foreach ($default_texts as $key => $text) {
+                if (! empty($text)) {
+                    $translation_slug = sanitize_title('quiz_' . $key);
+                    /**
+                     * Register the string for translation
+                     */
+                    do_action('wpml_register_single_string', 'QSM Defaults', $translation_slug, $text);
+                }
+            }
+        }
+    }
+
+    public function qsm_add_question_translations($question_id, $question_data)
+    {
+        $settings    = isset($question_data['question_settings']) ? maybe_unserialize($question_data['question_settings']) : [];
+        $hints       = isset($question_data['hints']) ? $question_data['hints'] : '';
+        $answer_info = isset($question_data['question_answer_info']) ? html_entity_decode($question_data['question_answer_info']) : '';
+
+        $this->qsm_register_language_support(htmlspecialchars_decode(isset($settings['question_title']) ? $settings['question_title'] : '', ENT_QUOTES), "Question-{$question_id}", "QSM Questions");
+        $this->qsm_register_language_support(htmlspecialchars_decode($question_data['question_name'], ENT_QUOTES), "question-description-{$question_id}", "QSM Questions");
+        $this->qsm_register_language_support($hints, "hint-{$question_id}");
+        $this->qsm_register_language_support($answer_info, "correctanswerinfo-{$question_id}");
+
+        $answers = isset($question_data['answer_array']) ? maybe_unserialize($question_data['answer_array']) : [];
+        if (! empty($answers)) {
+            $answerEditor = isset($settings['answerEditor']) ? $settings['answerEditor'] : 'text';
+            foreach ($answers as $key => $ans) {
+                if ('image' === $answerEditor) {
+                    $caption_text = trim(htmlspecialchars_decode($ans[3], ENT_QUOTES));
+                    $this->qsm_register_language_support($caption_text, 'caption-' . $question_id . '-' . $key, 'QSM Answers');
+                } else {
+                    $answer_text = isset($ans[0]) ? trim(htmlspecialchars_decode($ans[0], ENT_QUOTES)) : '';
+                    $this->qsm_register_language_support($answer_text, 'answer-' . $question_id . '-' . $key, 'QSM Answers');
+                }
+            }
+        }
+    }
+
+    public function qsm_add_text_message_translations($quiz_id, $text_id, $message)
+    {
+        $message = htmlspecialchars_decode($message, ENT_QUOTES);
+        $this->qsm_register_language_support($message, "quiz_{$text_id}-{$quiz_id}");
+    }
+
+    public function qsm_add_quiz_settings_translations($quiz_id, $section, $settings_array)
+    {
+        if ('quiz_text' == $section && ! empty($settings_array)) {
+            foreach ($settings_array as $key => $val) {
+                if (! empty($val)) {
+                    $this->qsm_register_language_support(htmlspecialchars_decode($val, ENT_QUOTES), "quiz_{$key}-{$quiz_id}");
+                }
+            }
+        }
+    }
+
+    /**
+     * Calculates Score For Question
+     *
+     * Calculates the score for the question based on the question type
+     *
+     * @since  4.0.0
+     * @param  string $slug        The slug of the question type that the question is
+     * @param  int    $question_id The id of the question
+     * @return array An array of the user's score from the question
+     */
+    public function display_review($slug, $question_id)
+    {
+        $results_array = [];
+        global $wpdb;
+        $question = $wpdb->get_row($wpdb->prepare('SELECT * FROM ' . $wpdb->prefix . 'mlw_questions WHERE question_id=%d', intval($question_id)));
+        $answers  = maybe_unserialize($question->answer_array);
+        if (empty($answers) || ! is_array($answers)) {
+            $mlw_answer_array_correct                                  = [ 0, 0, 0, 0, 0, 0 ];
+            $mlw_answer_array_correct[ $question->correct_answer - 1 ] = 1;
+            $answers = [
+                [ $question->answer_one, $question->answer_one_points, $mlw_answer_array_correct[0] ],
+                [ $question->answer_two, $question->answer_two_points, $mlw_answer_array_correct[1] ],
+                [ $question->answer_three, $question->answer_three_points, $mlw_answer_array_correct[2] ],
+                [ $question->answer_four, $question->answer_four_points, $mlw_answer_array_correct[3] ],
+                [ $question->answer_five, $question->answer_five_points, $mlw_answer_array_correct[4] ],
+                [ $question->answer_six, $question->answer_six_points, $mlw_answer_array_correct[5] ],
+            ];
+        }
+        foreach ($this->question_types as $type) {
+            if (strtolower(str_replace(' ', '-', $slug)) === $type['slug']) {
+                if (! is_null($type['review'])) {
+                    $results_array = call_user_func($type['review'], intval($question_id), $question->question_name, $answers);
+                } else {
+                    $results_array = [ 'null_review' => true ];
+                }
+            }
+        }
+        return $results_array;
+    }
+
+    /**
+     * Retrieves A Question Setting
+     *
+     * Retrieves a setting stored in the question settings array
+     *
+     * @since  4.0.0
+     * @param  int    $question_id The id of the question
+     * @param  string $setting     The name of the setting
+     * @return string The value stored for the setting
+     */
+    public function get_question_setting($question_id, $setting)
+    {
+        global $wpdb;
+        $settings           = $wpdb->get_var($wpdb->prepare('SELECT question_settings FROM ' . $wpdb->prefix . 'mlw_questions WHERE question_id=%d', $question_id));
+        $qmn_settings_array = maybe_unserialize($settings);
+
+        if (is_array($qmn_settings_array) && isset($qmn_settings_array[ $setting ])) {
+            return $qmn_settings_array[ $setting ];
+        } else {
+            return '';
+        }
+    }
+
+    /**
+     * Registers Addon Settings Tab
+     *
+     * Registers a new tab on the addon settings page
+     *
+     * @since  4.0.0
+     * @param  string $title    The name of the tab
+     * @param  string $function The function that displays the tab's content
+     * @return void
+     */
+    public function register_addon_settings_tab($title, $function)
+    {
+        $slug               = strtolower(str_replace(' ', '-', $title));
+        $new_tab            = [
+            'title'    => $title,
+            'function' => $function,
+            'slug'     => $slug,
+        ];
+        $this->addon_tabs[] = $new_tab;
+    }
+
+    /**
+     * Retrieves Addon Settings Tab Array
+     *
+     * Retrieves the array of titles and functions of the registered tabs
+     *
+     * @since  4.0.0
+     * @return array The array of registered tabs
+     */
+    public function get_addon_tabs()
+    {
+        return $this->addon_tabs;
+    }
+
+    /**
+     * Registers Stats Tab
+     *
+     * Registers a new tab on the stats page
+     *
+     * @since  4.3.0
+     * @param  string $title    The name of the tab
+     * @param  string $function The function that displays the tab's content
+     * @return void
+     */
+    public function register_stats_settings_tab($title, $function)
+    {
+        $slug               = strtolower(str_replace(' ', '-', $title));
+        $new_tab            = [
+            'title'    => $title,
+            'function' => $function,
+            'slug'     => $slug,
+        ];
+        $this->stats_tabs[] = $new_tab;
+    }
+
+    /**
+     * Retrieves Stats Tab Array
+     *
+     * Retrieves the array of titles and functions of the registered tabs
+     *
+     * @since  4.3.0
+     * @return array The array of registered tabs
+     */
+    public function get_stats_tabs()
+    {
+        return $this->stats_tabs;
+    }
+
+    /**
+     * Registers tabs for the Admin Results page
+     *
+     * Registers a new tab on the admin results page
+     *
+     * @since  5.0.0
+     * @param  string $title    The name of the tab
+     * @param  string $function The function that displays the tab's content
+     * @return void
+     */
+    public function register_admin_results_tab($title, $function, $priority = 10)
+    {
+        $slug                       = strtolower(str_replace(' ', '-', $title));
+        $new_tab                    = [
+            'title'    => $title,
+            'function' => $function,
+            'slug'     => $slug,
+            'priority' => $priority,
+        ];
+        $this->admin_results_tabs[] = $new_tab;
+    }
+
+    /**
+     * Retrieves Admin Results Tab Array
+     *
+     * Retrieves the array of titles and functions for the tabs registered for the admin results page
+     *
+     * @since  5.0.0
+     * @return array The array of registered tabs
+     */
+    public function get_admin_results_tabs()
+    {
+        /**
+         * Sort tabs by priority
+         */
+        array_multisort(array_column($this->admin_results_tabs, 'priority'), SORT_ASC, $this->admin_results_tabs);
+        return apply_filters('qmn_admin_results_tabs', $this->admin_results_tabs);
+    }
+
+    /**
+     * Registers Results Tab
+     *
+     * Registers a new tab on the results page
+     *
+     * @since  4.1.0
+     * @param  string $title    The name of the tab
+     * @param  string $function The function that displays the tab's content
+     * @return void
+     */
+    public function register_results_settings_tab($title, $function)
+    {
+        $slug                 = strtolower(str_replace(' ', '-', $title));
+        $new_tab              = [
+            'title'    => $title,
+            'function' => $function,
+            'slug'     => $slug,
+        ];
+        $this->results_tabs[] = $new_tab;
+    }
+
+    /**
+     * Retrieves Results Tab Array
+     *
+     * Retrieves the array of titles and functions of the registered tabs
+     *
+     * @since  4.1.0
+     * @return array The array of registered tabs
+     */
+    public function get_results_tabs()
+    {
+        return $this->results_tabs;
+    }
+
+    /**
+     * Registers Quiz Settings Tab
+     *
+     * Registers a new tab on the quiz settings page
+     *
+     * @since  4.0.0
+     * @param  string $title    The name of the tab
+     * @param  string $function The function that displays the tab's content
+     * @return void
+     */
+    public function register_quiz_settings_tabs($title, $function, $slug = '')
+    {
+        if ('' === $slug) {
+            $slug = strtolower(str_replace(' ', '-', $title));
+        }
+        $new_tab               = [
+            'title'    => $title,
+            'function' => $function,
+            'slug'     => $slug,
+        ];
+        $this->settings_tabs[] = $new_tab;
+    }
+
+    /**
+     * Echos Registered Tabs Title Link
+     *
+     * Echos the title link of the registered tabs
+     *
+     * @since  4.0.0
+     * @return array The array of registered tabs
+     */
+    public function get_settings_tabs()
+    {
+        return apply_filters('qmn_quiz_setting_tabs', $this->settings_tabs);
+    }
+
+    /**
+     * global animatiocv array return
+     *
+     * @since 4.7.1
+     */
+    public function quiz_animation_effect()
+    {
+
+        return [
+            [
+                'label' => __('bounce', 'quiz-master-next'),
+                'value' => 'bounce',
+            ],
+            [
+                'label' => __('flash', 'quiz-master-next'),
+                'value' => 'flash',
+            ],
+            [
+                'label' => __('pulse', 'quiz-master-next'),
+                'value' => 'pulse',
+            ],
+            [
+                'label' => __('rubberBand', 'quiz-master-next'),
+                'value' => 'rubberBand',
+            ],
+            [
+                'label' => __('shake', 'quiz-master-next'),
+                'value' => 'shake',
+            ],
+            [
+                'label' => __('swing', 'quiz-master-next'),
+                'value' => 'swing',
+            ],
+            [
+                'label' => __('tada', 'quiz-master-next'),
+                'value' => 'tada',
+            ],
+            [
+                'label' => __('wobble', 'quiz-master-next'),
+                'value' => 'wobble',
+            ],
+            [
+                'label' => __('jello', 'quiz-master-next'),
+                'value' => 'jello',
+            ],
+            [
+                'label' => __('heartBeat', 'quiz-master-next'),
+                'value' => 'heartBeat',
+            ],
+            [
+                'label' => __('Select Quiz Animation', 'quiz-master-next'),
+                'value' => '',
+            ],
+        ];
+    }
+
+    /**
+     * converts dates into preferred date format
+     *
+     * @since  7.3.3
+     * @param  array $qsm_qna_array The array of results for the quiz
+     * @uses   QMNQuizManager:submit_results() submits and displays results
+     * @uses   qsm_generate_results_details_tab() generates admin results page
+     * @return array $qsm_qna_array date formatted array of results for the quiz
+     */
+
+    public function convert_to_preferred_date_format($qsm_qna_array)
+    {
+        global $mlwQuizMasterNext;
+        $quiz_options        = $mlwQuizMasterNext->quiz_settings->get_quiz_options();
+        $qsm_quiz_settings   = maybe_unserialize($quiz_options->quiz_settings);
+        $qsm_quiz_options    = maybe_unserialize($qsm_quiz_settings['quiz_options']);
+        $qsm_global_settings = get_option('qsm-quiz-settings');
+        // check if preferred date format is set at quiz level or plugin level. Default to WP date format otherwise
+        if (isset($qsm_quiz_options['preferred_date_format'])) {
+            $preferred_date_format = $qsm_quiz_options['preferred_date_format'];
+        } elseif (isset($qsm_global_settings['preferred_date_format'])) {
+            $preferred_date_format = isset($qsm_global_settings['preferred_date_format']);
+        } else {
+            $preferred_date_format = get_option('date_format');
+        }
+        // filter date format
+        $GLOBALS['qsm_date_format'] = apply_filters('qms_preferred_date_format', $preferred_date_format);
+
+        $qsm_qna_array = $this->convert_contacts_to_preferred_date_format($qsm_qna_array);
+        $qsm_qna_array = $this->convert_answers_to_preferred_date_format($qsm_qna_array);
+        $this->convert_questions_to_preferred_date_format();
+
+        return $qsm_qna_array;
+    }
+
+    /**
+     * converts contacts into preferred date format
+     *
+     * @since  7.3.3
+     * @param  array $qsm_qna_array The array of results for the quiz
+     * @uses   convert_to_preferred_date_format()
+     * @return array $qsm_qna_array date formatted array of results for the quiz
+     */
+
+    public function convert_contacts_to_preferred_date_format($qsm_qna_array)
+    {
+
+        $qsm_contact_array = $qsm_qna_array['contact'];
+        foreach ($qsm_contact_array as $qsm_contact_id => $qsm_contact) {
+            if (( isset($qsm_contact['type']) && 'date' === $qsm_contact['type'] ) && ( isset($qsm_contact['value']) && '' !== $qsm_contact['value'] ) && null !== $GLOBALS['qsm_date_format']) {
+                $qsm_qna_array['contact'][ $qsm_contact_id ]['value'] = date_i18n($GLOBALS['qsm_date_format'], strtotime(( $qsm_contact['value'] )));
+            }
+        }
+        return $qsm_qna_array;
+    }
+
+    /**
+     * converts answers into preferred date format
+     *
+     * @since  7.3.3
+     * @param  array $qsm_qna_array The array of results for the quiz
+     * @uses   convert_to_preferred_date_format()
+     * @return array $qsm_qna_array date formatted array of results for the quiz
+     */
+
+    public function convert_answers_to_preferred_date_format($qsm_qna_array)
+    {
+
+        $qsm_qna_list = $qsm_qna_array['question_answers_array'];
+        foreach ($qsm_qna_list as $qna_id => $qna) {
+            if ('12' === $qna['question_type'] && null !== $GLOBALS['qsm_date_format']) {
+                $qsm_qna_array['question_answers_array'][ $qna_id ]['1'] = date_i18n($GLOBALS['qsm_date_format'], strtotime(( $qna['1'] )));
+                $qsm_qna_array['question_answers_array'][ $qna_id ]['2'] = date_i18n($GLOBALS['qsm_date_format'], strtotime(( $qna['2'] )));
+            }
+        }
+        return $qsm_qna_array;
+    }
+
+    /**
+     * converts questions into preferred date format
+     *
+     * @since  7.3.3
+     * @param  array $qsm_qna_array The array of results for the quiz
+     * @uses   convert_to_preferred_date_format()
+     * @return array $qsm_qna_array date formatted array of results for the quiz
+     */
+
+    public function convert_questions_to_preferred_date_format()
+    {
+        if (! function_exists('qsm_convert_question_array_date_format')) {
+            function qsm_convert_question_array_date_format($questions)
+            {
+                foreach ($questions as $question_id => $question_to_convert) {
+                    if ('12' === $question_to_convert['question_type_new']) {
+                        foreach ($question_to_convert['answers'] as $answer_id => $answer_value) {
+                            $questions[ $question_id ]['answers'][ $answer_id ][0] = date_i18n($GLOBALS['qsm_date_format'], strtotime($answer_value[0]));
+                        }
+                    }
+                }
+                return $questions;
+            }
+        }
+        add_filter('qsm_load_questions_by_pages', 'qsm_convert_question_array_date_format');
+    }
+
+    /**
+     *
+     *
+     * @since  7.3.5
+     * @param  array
+     * @uses
+     * @return array
+     */
+
+    public function qsm_results_css_inliner($html)
+    {
+
+        global $mlwQuizMasterNext;
+        $grading = $mlwQuizMasterNext->pluginHelper->get_section_setting('quiz_options', 'system');
+        $wr_sign = 1 != $grading ? "&#x2715;&nbsp;" : "";
+
+        $html    = str_replace('<br/>', '<br>', $html);
+        $html    = str_replace('<br />', '<br>', $html);
+        $html    = str_replace("class='qmn_question_answer", "style='margin-bottom:30px' class='", $html);
+        $html    = preg_replace('/<span class="qsm-text-simple-option(.*?)">(.*?)<\/span>/', "<span style='color:#808080;display:block;margin-bottom:5px;'>&#8226;&nbsp;$2</span>", $html);
+        $html    = preg_replace('/<span class="qsm-text-wrong-option(.*?)">(.*?)<\/span>/', "<span style='color:red;display:block;margin-bottom:5px;'>&#x2715;&nbsp;$2</span>", $html);
+        $html    = preg_replace('/<span class="qmn_user_incorrect_answer(.*?)">(.*?)<\/span>/', "<span style='color:red;display:block;margin-bottom:5px;'>".$wr_sign."$2</span>", $html);
+        $html    = preg_replace('/<span class="qsm-text-correct-option(.*?)">(.*?)<\/span>/', "<span style='color:green;display:block;margin-bottom:5px;'>&#10003;&nbsp;$2</span>", $html);
+        $html    = preg_replace('/<span class="qmn_user_correct_answer(.*?)">(.*?)<\/span>/', "<span style='color:green;display:block;margin-bottom:5px;'>&#10003;&nbsp;$2</span>", $html);
+
+        return $html;
+    }
+
+    /** */
+    public function categorize_question_types()
+    {
+        $question_type_categorized   = [];
+        $question_type_uncategorized = [];
+        foreach ($this->question_types as $question_type) {
+            $is_categorized = isset($question_type ['category']) && '' !== $question_type ['category'];
+            if ($is_categorized) {
+                $question_type_categorized[ $question_type ['category'] ] [ $question_type['slug'] ] = [
+                    'slug'     => $question_type['slug'],
+                    'name'     => $question_type['name'],
+                    'disabled' => (isset($question_type['display']) && '-1' == $question_type['display']) ? true : false,
+                ];
+            } else {
+                $question_type_uncategorized['uncategorized'][ $question_type['slug'] ] = [
+                    'slug'     => $question_type['slug'],
+                    'name'     => $question_type['name'],
+                    'disabled' => (isset($question_type['display']) && '-1' == $question_type['display']) ? true : false,
+                ];
+            }
+        }
+        $question_type_categorized = array_merge($question_type_categorized, $question_type_uncategorized);
+        return $question_type_categorized;
+    }
+
+    public function description_array()
+    {
+        return [
+            [
+                'question_type_id' => 11,
+                'description'      => __('For this question type, users will see a file upload field on front end.', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '14',
+                'description'      => __('Use %BLANK% variable in the description field to display input boxes.', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '12',
+                'description'      => __('For this question type, users will see a date input field on front end.', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '3',
+                'description'      => __('For this question type, users will see a standard input box on front end.', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '5',
+                'description'      => __('For this question type, users will see a standard textarea input box on front end.', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '6',
+                'description'      => __('Displays a simple section on front end. Description is mandatory. ', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '7',
+                'description'      => __('For this question type, users will see an input box which accepts only number values on front end.', 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '8',
+                'description'      => __("For this question type, users will see a checkbox on front end. The text in description field will act like it's label.", 'quiz-master-next'),
+            ],
+            [
+                'question_type_id' => '9',
+                'description'      => __('For this question type, users will see a Captcha field on front end.', 'quiz-master-next'),
+            ],
+            // array(
+            // 'question_type_id' => '13',
+            // 'description'      => __( 'Use points based grading system for Polar questions.', 'quiz-master-next' ),
+            // ),
+        ];
+    }
+
+    public function qsm_get_limited_options($options, $limit)
+    {
+        $correct = array_filter($options, fn($o, $k) => 1 == $o[2], ARRAY_FILTER_USE_BOTH);
+        $incorrect = array_filter($options, fn($o, $k) => 0 == $o[2], ARRAY_FILTER_USE_BOTH);
+        shuffle($incorrect);
+        $final = array_merge($correct, array_slice($incorrect, 0, $limit - count($correct)));
+        shuffle($final);
+        $final_keys = array_map(fn($k) => array_search($k, array_values($options), true), $final);
+        return [
+            'final'             => $final,
+            'answer_limit_keys' => implode(',', $final_keys),
+        ];
+    }
+
+    public function qsm_get_limited_options_by_keys($options, $keys)
+    {
+        return array_map(fn($k) => $options[ $k ], explode(',', $keys));
+    }
 }

quiz-master-next/trunk/php/classes/class-qmn-quiz-manager.php

@@ -353 +353 @@
 
         $qmn_quiz_options = $has_proper_quiz['qmn_quiz_options'];
+        $qmn_quiz_options = apply_filters('qsm_quiz_option_before', $qmn_quiz_options);
         $return_display = '';
 
@@ -1294 +1295 @@
         }
         $is_contact_fields_enabled = array_filter(
-            $contact_fields,
+            is_array( $contact_fields ) ? $contact_fields : [],
             function( $sub ) {
                 return isset( $sub['enable'] ) && 'true' === $sub['enable'];
@@ -1673 +1674 @@
             }
         }
+        
+        $errors = apply_filters( 'qsm_validate_contact_field', $errors, $contact_form, $request );
         return empty( $errors ) ? 1 : "<strong>" . __( 'There was an error with your submission:', 'quiz-master-next' ) . "</strong><ul style='left: -20px; position: relative;'><li>" . implode( "</li><li>", $errors ) . "</li></ul>";
     }

quiz-master-next/trunk/php/classes/class-qsm-install.php

@@ -180 +180 @@
         $field_array = array(
             'id'         => 'randomness_order',
-            'label'      => __( 'Randomize Question', 'quiz-master-next' ) . '<span class="qsm-opt-desc"> ' . __( 'Randomize the order of questions or answers every time the quiz loads', 'quiz-master-next' ) . ' </span>',
+            'label'      => __( 'Randomization Mode', 'quiz-master-next' ) . '<span class="qsm-opt-desc"> ' . __( 'Randomize the order of questions or answers every time the quiz loads', 'quiz-master-next' ) . ' </span>',
             'type'       => 'radio',
             'options'    => array(
                 array(
-                    'label' => __( 'Disabled', 'quiz-master-next' ),
+                    'label' => __( 'None', 'quiz-master-next' ),
                     'value' => 0,
                 ),
                 array(
-                    'label' => __( 'Randomize question only', 'quiz-master-next' ),
+                    'label' => __( 'Questions', 'quiz-master-next' ),
                     'value' => 1,
                 ),
                 array(
-                    'label' => __( 'Randomize answers only', 'quiz-master-next' ),
+                    'label' => __( 'Answers', 'quiz-master-next' ),
                     'value' => 3,
                 ),
                 array(
-                    'label' => __( 'Randomize questions and their answers', 'quiz-master-next' ),
+                    'label' => __( 'Questions & Answers', 'quiz-master-next' ),
                     'value' => 2,
                 ),

quiz-master-next/trunk/php/classes/class-qsm-questions.php

@@ -11 +11 @@
  * @since 5.2.0
  */
-class QSM_Questions {
-
-
-    /**
-     * Loads single question using question ID
-     *
-     * @since  5.2.0
-     * @param  int $question_id The ID of the question.
-     * @return array The data for the question.
-     */
-    public static function load_question( $question_id ) {
-        global $wpdb;
-        $question_id = intval( $question_id );
-        $question    = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}mlw_questions WHERE question_id = %d LIMIT 1", $question_id ), 'ARRAY_A' );
-        if ( ! is_null( $question ) ) {
-            $multicategories     = array();
-            $multicategories_res = $wpdb->get_results( "SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id`='{$question['question_id']}' AND `taxonomy`='qsm_category'", ARRAY_A );
-            if ( ! empty( $multicategories_res ) ) {
-                foreach ( $multicategories_res as $cat ) {
-                    $multicategories[] = $cat['term_id'];
-                }
-            }
-            $question['multicategories'] = $multicategories;
-            // Prepare answers.
-            $answers = maybe_unserialize( $question['answer_array'] );
-            if ( ! is_array( $answers ) ) {
-                $answers = array();
-            }
-            $question['answers'] = $answers;
-
-            $settings = maybe_unserialize( $question['question_settings'] );
-            if ( ! is_array( $settings ) ) {
-                $settings = array( 'required' => 1 );
-            }
-            $question['settings'] = $settings;
-
-            return apply_filters( 'qsm_load_question', $question, $question_id );
-        }
-        return array();
-    }
-
-    /**
-     *
-     */
-    public static function load_question_data( $question_id, $question_data ) {
-        global $wpdb;
-        return $wpdb->get_var("SELECT {$question_data} FROM {$wpdb->prefix}mlw_questions WHERE question_id = {$question_id} LIMIT 1");
-    }
-
-    /**
-     * Loads questions for a quiz using the new page system
-     *
-     * @since  5.2.0
-     * @param  int $quiz_id The ID of the quiz.
-     * @return array The array of questions.
-     */
-    public static function load_questions_by_pages( $quiz_id, $caller = '' ) {
-        // Prepares our variables.
-        global $wpdb;
-        global $mlwQuizMasterNext;
-        $quiz_id      = intval( $quiz_id );
-        $question_ids = array();
-        $questions    = array();
-        $page_for_ids = array();
-
-        // Gets the pages for the quiz.
-        $mlwQuizMasterNext->pluginHelper->prepare_quiz( $quiz_id );
-        $pages = $mlwQuizMasterNext->pluginHelper->get_quiz_setting( 'pages', array(), $caller );
-
-        // Get all question IDs needed.
-        if ( ! empty( $pages ) ) {
-            $total_pages = count( $pages );
-            for ( $i = 0; $i < $total_pages; $i++ ) {
-                foreach ( $pages[ $i ] as $question ) {
-                    $question_id                  = intval( $question );
-                    $question_ids[]               = $question_id;
-                    $page_for_ids[ $question_id ] = $i;
-                }
-            }
-        }
-
-        // If we have any question IDs, get the questions.
-        if ( count( $question_ids ) > 0 ) {
-
-            $question_sql = implode( ', ', $question_ids );
-
-            // Get all questions.
-            $question_array = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}mlw_questions WHERE question_id IN (%1s)", $question_sql ), 'ARRAY_A' );
-            // Loop through questions and prepare serialized data.
-            foreach ( $question_array as $question ) {
-                $multicategories = self::get_question_categories( $question['question_id'] );
-                // get_question_categories
-
-                $question['multicategories']       = isset( $multicategories['category_tree'] ) && ! empty( $multicategories['category_tree'] ) ? array_keys( $multicategories['category_name'] ) : array();
-                $question['multicategoriesobject'] = isset( $multicategories['category_tree'] ) && ! empty( $multicategories['category_tree'] ) ? $multicategories['category_tree'] : array();
-                // Prepares settings.
-                $settings = maybe_unserialize( $question['question_settings'] );
-                if ( ! is_array( $settings ) ) {
-                    $settings = array( 'required' => 1 );
-                }
-                $question['settings'] = $settings;
-                // Prepare answers.
-                $answers = maybe_unserialize( $question['answer_array'] );
-                if ( ! is_array( $answers ) ) {
-                    $answers = array();
-                }
-                $question['answers'] = self::sanitize_answers( $answers, $settings );
-                // Get the page.
-                $question_id      = intval( $question['question_id'] );
-                $question['page'] = intval( $page_for_ids[ $question_id ] );
-
-                $questions[ $question_id ] = $question;
-            }
-        } else {
-            // If we do not have pages on this quiz yet, use older load_questions and add page to them.
-            $questions = self::load_questions( $quiz_id, $caller );
-            foreach ( $questions as $key => $question ) {
-                $questions[ $key ]['page'] = isset( $question['page'] ) ? $question['page'] : 0;
-            }
-        }
-        return apply_filters( 'qsm_load_questions_by_pages', $questions, $quiz_id );
-    }
-
-    /**
-     * Loads questions for a quiz
-     *
-     * @since  5.2.0
-     * @param  int $quiz_id The ID of the quiz.
-     * @return array The array of questions.
-     */
-    public static function load_questions( $quiz_id, $caller = '' ) {
-
-        global $wpdb;
-        $question_array = array();
-
-        // Get all questions.
-        if ( 0 !== $quiz_id ) {
-            $quiz_id   = intval( $quiz_id );
-            $questions = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}mlw_questions WHERE quiz_id=%d AND deleted='0' ORDER BY question_order ASC", $quiz_id ), 'ARRAY_A' );
-        } else {
-            $questions = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}mlw_questions WHERE deleted='0' ORDER BY question_order ASC", 'ARRAY_A' );
-        }
-
-        // Loop through questions and prepare serialized data.
-        foreach ( $questions as $question ) {
-            $multicategories     = array();
-            $multicategories_res = $wpdb->get_results( "SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id`='{$question['question_id']}' AND `taxonomy`='qsm_category'", ARRAY_A );
-            if ( ! empty( $multicategories_res ) ) {
-                foreach ( $multicategories_res as $cat ) {
-                    $multicategories[] = $cat['term_id'];
-                }
-            }
-            $question['multicategories'] = $multicategories;
-            // Prepare answers.
-            $answers = maybe_unserialize( $question['answer_array'] );
-            if ( ! is_array( $answers ) ) {
-                $answers = array();
-            }
-            $question['answers'] = $answers;
-
-            $settings = maybe_unserialize( $question['question_settings'] );
-            if ( ! is_array( $settings ) ) {
-                $settings = array( 'required' => 1 );
-            }
-            $question['settings'] = $settings;
-
-            $question_array[ $question['question_id'] ] = $question;
-        }
-        $question_array = ! empty( $caller ) ? $question_array : array_filter(
-            $question_array,
-            function ( $question ) {
-                return ! isset( $question['settings']['isPublished'] ) || 0 !== intval( $question['settings']['isPublished'] );
-            }
-        );
-        return apply_filters( 'qsm_load_questions', $question_array, $quiz_id );
-    }
-
-    /**
-     * Creates a new question
-     *
-     * @since  5.2.0
-     * @param  array $data     The question data.
-     * @param  array $answers  The answers for the question.
-     * @param  array $settings Any settings for the question.
-     * @throws Exception Throws exception if wpdb query results in error.
-     * @return int The ID of the question that was created.
-     */
-    public static function create_question( $data, $answers = array(), $settings = array() ) {
-        return self::create_save_question( $data, $answers, $settings );
-    }
-
-    /**
-     * Saves a question
-     *
-     * @since  5.2.0
-     * @param  int   $question_id The ID of the question to be saved.
-     * @param  array $data        The question data.
-     * @param  array $answers     The answers for the question.
-     * @param  array $settings    Any settings for the question.
-     * @throws Exception Throws exception if wpdb query results in error.
-     * @return int The ID of the question that was saved.
-     */
-    public static function save_question( $question_id, $data, $answers = array(), $settings = array() ) {
-        $data['ID'] = intval( $question_id );
-        return self::create_save_question( $data, $answers, $settings, false );
-    }
-
-    /**
-     * Deletes a question
-     *
-     * @since  5.2.0
-     * @param  int $question_id The ID for the question.
-     * @throws Exception Throws exception if wpdb query results in error.
-     * @return bool True if successful
-     */
-    public static function delete_question( $question_id ) {
-        global $wpdb;
-
-        $results = $wpdb->update(
-            $wpdb->prefix . 'mlw_questions',
-            array(
-                'deleted' => 1,
-            ),
-            array( 'question_id' => intval( $question_id ) ),
-            array(
-                '%d',
-            ),
-            array( '%d' )
-        );
-
-        if ( false === $results ) {
-            $msg = $wpdb->last_error . ' from ' . $wpdb->last_query;
-            $mlwQuizMasterNext->log_manager->add( 'Error when deleting question', $msg, 0, 'error' );
-            throw new Exception( esc_html( $msg ) );
-        }
-
-        return true;
-    }
-
-    /**
-     * Creates or saves a question
-     *
-     * This is used internally. Use create_question or save_question instead.
-     *
-     * @since  5.2.0
-     * @param  array $data        The question data.
-     * @param  array $answers     The answers for the question.
-     * @param  array $settings    Any settings for the question.
-     * @param  bool  $is_creating True if question is being created, false if being saved.
-     * @throws Exception Throws exception if wpdb query results in error.
-     * @return int The ID of the question that was created/saved.
-     */
-    private static function create_save_question( $data, $answers, $settings, $is_creating = true ) {
-        global $wpdb, $mlwQuizMasterNext;
-
-        // Prepare defaults and parse.
-        $defaults = array(
-            'quiz_id'         => 0,
-            'type'            => '0',
-            'name'            => '',
-            'answer_info'     => '',
-            'comments'        => '1',
-            'hint'            => '',
-            'order'           => 1,
-            'category'        => '',
-            'multicategories' => '',
-            'linked_question' => '',
-        );
-        $data     = wp_parse_args( $data, $defaults );
-
-        $defaults = array(
-            'required' => 1,
-        );
-        $settings = wp_parse_args( $settings, $defaults );
-
-        $sanitize_answers = self::sanitize_answers( $answers, $settings );
-        foreach ( $sanitize_answers as $key => $answer ) {
-            $answers_array = array(
-                htmlspecialchars( $answer[0], ENT_QUOTES ),
-                floatval( $answer[1] ),
-                intval( $answer[2] ),
-            );
-            if ( isset( $answer[3] ) ) {
-                array_push( $answers_array, htmlspecialchars( $answer[3], ENT_QUOTES ) );
-            }
-            $sanitize_answers[ $key ] = $answers_array;
-        }
-        $answers = apply_filters( 'qsm_answers_before_save', $sanitize_answers, $answers, $data, $settings );
-
-        $question_name             = htmlspecialchars( $mlwQuizMasterNext->sanitize_html( $data['name'] ), ENT_QUOTES );
-        $trim_question_description = apply_filters( 'qsm_trim_question_description', true );
-        if ( $trim_question_description ) {
-            $question_name = trim( preg_replace( '/\s+/', ' ', $question_name ) );
-        }
-        $linked_question = sanitize_text_field( $data['linked_question'] );
-        $linked_questions_array = array();
-
-        if ( ( $is_creating && isset($data['is_linking']) && 1 <= $data['is_linking'] ) || ! $is_creating ) {
-            // Convert the existing linked_question into an array
-            $linked_questions_array = array_filter(array_map('trim', explode(',', $linked_question)));
-            // Add the new value if it's not already in the array
-            if ( isset($data['is_linking'] ) && ! in_array($data['is_linking'], $linked_questions_array, true) ) {
-                $linked_questions_array[] = $data['is_linking'];
-            }
-            $linked_questions_array = array_filter($linked_questions_array);
-            // Join back into a comma-separated string
-            $linked_question = implode(',', $linked_questions_array);
-        } elseif ( isset($data['is_linking']) && 0 == $data['is_linking'] ) {
-            $linked_question = '';
-        }
-
-        $values = array(
-            'quiz_id'              => intval( $data['quiz_id'] ),
-            'question_name'        => $question_name,
-            'answer_array'         => maybe_serialize( $answers ),
-            'question_answer_info' => $mlwQuizMasterNext->sanitize_html( $data['answer_info'] ),
-            'comments'             => sanitize_text_field( $data['comments'] ),
-            'hints'                => sanitize_text_field( $data['hint'] ),
-            'question_order'       => intval( $data['order'] ),
-            'question_type_new'    => sanitize_text_field( $data['type'] ),
-            'question_settings'    => maybe_serialize( $settings ),
-            'category'             => sanitize_text_field( $data['category'] ),
-            'linked_question'      => $linked_question,
-            'deleted'              => 0,
-        );
-        $values = apply_filters( 'qsm_save_question_data', $values );
-
-        $types = array(
-            '%d',
-            '%s',
-            '%s',
-            '%s',
-            '%d',
-            '%s',
-            '%d',
-            '%s',
-            '%s',
-            '%s',
-            '%s',
-            '%d',
-        );
-
-        if ( $is_creating ) {
-            $results     = $wpdb->insert(
-                $wpdb->prefix . 'mlw_questions',
-                $values,
-                $types
-            );
-            $question_id = $wpdb->insert_id;
-        } else {
-            $question_id = intval( $data['ID'] );
-            $results     = $wpdb->update(
-                $wpdb->prefix . 'mlw_questions',
-                $values,
-                array( 'question_id' => $question_id ),
-                $types,
-                array( '%d' )
-            );
-        }
-
-        if ( false === $results ) {
-            $msg = $wpdb->last_error . ' from ' . $wpdb->last_query;
-            $mlwQuizMasterNext->log_manager->add( 'Error when creating/saving question', $msg, 0, 'error' );
-            throw new Exception( esc_html( $msg ) );
-        }
-
-        $base_question_id = $question_id;
-        $quiz_questions_array = array();
-        $quiz_questions_array[ intval( $data['quiz_id'] ) ] = $question_id;
-        $linked_questions_array[] = $question_id;
-        if ( isset($linked_question) && "" != $linked_question ) {
-            // preparing array for quiz question id
-            $imploded_question_ids = implode( ',', array_unique($linked_questions_array) );
-            if ( ! empty($linked_questions_array) ) {
-                $quiz_results = $wpdb->get_results( "SELECT `quiz_id`, `question_id` FROM `{$wpdb->prefix}mlw_questions` WHERE `question_id` IN (" . $imploded_question_ids . ")" );
-                foreach ( $quiz_results as $key => $value ) {
-                    $quiz_questions_array[ $value->quiz_id ] = $value->question_id;
-                }
-            }
-            $values['linked_question'] = $imploded_question_ids;
-        }
-        $question_terms_table = $wpdb->prefix . 'mlw_question_terms';
-        foreach ( $quiz_questions_array as $quiz_id => $question_id_loop ) {
-            $values['quiz_id'] = intval( $quiz_id );
-            $wpdb->update(
-                $wpdb->prefix . 'mlw_questions',
-                $values,
-                array( 'question_id' => intval($question_id_loop) ),
-                $types,
-                array( '%d' )
-            );
-
-            /**
-             * Process Question Categories
-             */
-
-            $wpdb->delete(
-                $question_terms_table,
-                array(
-                    'question_id' => $question_id_loop,
-                    'taxonomy'    => 'qsm_category',
-                )
-            );
-            if ( ! empty( $data['multicategories'] ) ) {
-                foreach ( $data['multicategories'] as $term_id ) {
-                    $term_rel_data = array(
-                        'question_id' => $question_id_loop,
-                        'quiz_id'     => intval( $quiz_id ),
-                        'term_id'     => $term_id,
-                        'taxonomy'    => 'qsm_category',
-                    );
-                    // Check if the data already exists in the table
-                    $data_exists = $wpdb->get_row($wpdb->prepare("SELECT * FROM $question_terms_table WHERE question_id = %s AND quiz_id = %s AND term_id = %s AND taxonomy = %s", $question_id_loop, intval( $quiz_id ), $term_id, 'qsm_category' ));
-                    if ( ! $data_exists ) {
-                        $wpdb->insert( $question_terms_table, $term_rel_data );
-                    }
-                }
-            }
-
-            /**
-             * Hook after saving question
-             */
-
-            if ( $is_creating && $base_question_id == $question_id_loop ) {
-                do_action( 'qsm_question_added', $question_id_loop, $values );
-            } else {
-                do_action( 'qsm_question_updated', $question_id_loop, $values );
-            }
-            do_action( 'qsm_saved_question', $question_id_loop, $values );
-
-        }
-        return $base_question_id;
-    }
-
-    /**
-     * Creates or saves a question
-     *
-     * sanitizes answers
-     *
-     * @since  7.3.5
-     * @param  array $answers The answers for the question.
-     * @return array sanitized $answers The answers for the question.
-     */
-    public static function sanitize_answers( $answers, $settings ) {
-        global $mlwQuizMasterNext;
-        foreach ( $answers as $key => $answer ) {
-            if ( isset($answer[0]) ) {
-                if ( isset( $settings['answerEditor'] ) && 'rich' == $settings['answerEditor'] ) {
-                    $answer[0] = $mlwQuizMasterNext->sanitize_html( $answer[0] );
-                } else {
-                    $answer[0] = $mlwQuizMasterNext->sanitize_html( $answer[0], false );
-                }
-                $answers[ $key ] = $answer;
-            }
-        }
-
-        return $answers;
-    }
-
-    /**
-     * Get categories for a quiz
-     *
-     * @since  7.2.1
-     * @param  int $quiz_id The ID of the quiz.
-     * @return array The array of categories.
-     */
-    public static function get_quiz_categories( $quiz_id = 0 ) {
-        global $wpdb;
-        $categories = array();
-        if ( 0 !== $quiz_id ) {
-            $questions      = self::load_questions_by_pages( $quiz_id );
-            $question_ids   = array_column( $questions, 'question_id' );
-            $question_ids   = implode( ',', $question_ids );
-            $question_terms = $wpdb->get_results( "SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id` IN ({$question_ids}) AND `taxonomy`='qsm_category'", ARRAY_A );
-            $term_ids       = ! empty( $question_terms ) ? array_unique( array_column( $question_terms, 'term_id' ) ) : array();
-            $cat_array      = self::get_question_categories_from_quiz_id( $quiz_id );
-            $enabled        = get_option( 'qsm_multiple_category_enabled' );
-            if ( $enabled && 'cancelled' !== $enabled && ! empty( $cat_array ) ) {
-                $term_ids = array_unique( array_merge( $term_ids, $cat_array ) );
-            }
-
-            $categories = self::get_question_categories_from_term_ids( $term_ids );
-        }
-        return $categories;
-    }
-
-    /**
-     * Get categories from quiz id
-     *
-     * @since  7.3.3
-     * @param  int $quiz_id The ID of the quiz.
-     * @return array The array of categories.
-     */
-    public static function get_question_categories_from_quiz_id( $quiz_id ) {
-        $cat_array = array();
-        $questions = self::load_questions_by_pages( $quiz_id );
-        foreach ( $questions as $single_question ) {
-            if ( isset( $single_question['multicategories'] ) && is_array( $single_question['multicategories'] ) ) {
-                foreach ( $single_question['multicategories'] as $cat_id ) {
-                    $cat_array[] = $cat_id;
-                }
-            }
-        }
-        return $cat_array;
-    }
-
-    /**
-     * Get categories from term ids
-     *
-     * @since  7.3.3
-     * @param  int $term_ids Term IDs of the quiz.
-     * @return array The array of categories.
-     */
-    public static function get_question_categories_from_term_ids( $term_ids ) {
-        $categories = array();
-        if ( ! empty( $term_ids ) ) {
-            $categories_names = array();
-            $categories_tree  = array();
-            $terms            = get_terms(
-                array(
-                    'taxonomy'   => 'qsm_category',
-                    'include'    => $term_ids,
-                    'hide_empty' => false,
-                    'orderby'    => '',
-                    'order'      => '',
-                )
-            );
-            if ( ! empty( $terms ) ) {
-                foreach ( $terms as $tax ) {
-                    $categories_names[ $tax->term_id ] = $tax->name;
-                    $taxs[ $tax->parent ][]            = $tax;
-                }
-                $categories_tree = self::create_terms_tree( $taxs, isset( $taxs[0] ) ? $taxs[0] : reset( $taxs ) );
-            }
-            $categories = array(
-                'list' => $categories_names,
-                'tree' => $categories_tree,
-            );
-        }
-        return $categories;
-    }
-
-    /**
-     * Get categories for a Question
-     *
-     * @since  7.2.1
-     * @param  int $quiz_id The ID of the quiz.
-     * @return array The array of categories.
-     */
-    public static function get_question_categories( $question_id = 0 ) {
-        global $wpdb;
-        $categories_tree  = array();
-        $categories_names = array();
-        if ( 0 !== $question_id ) {
-            $question_terms = $wpdb->get_results( "SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id`='{$question_id}' AND `taxonomy`='qsm_category'", ARRAY_A );
-            if ( ! empty( $question_terms ) ) {
-                $term_ids = array_unique( array_column( $question_terms, 'term_id' ) );
-                if ( ! empty( $term_ids ) ) {
-                    $terms = get_terms(
-                        array(
-                            'taxonomy'   => 'qsm_category',
-                            'include'    => array_unique( $term_ids ),
-                            'hide_empty' => false,
-                            'orderby'    => '',
-                            'order'      => '',
-                        )
-                    );
-                    if ( ! empty( $terms ) ) {
-                        foreach ( $terms as $tax ) {
-                            $categories_names[ $tax->term_id ] = $tax->name;
-                            $taxs[ $tax->parent ][]            = $tax;
-                        }
-                        $categories_tree = self::create_terms_tree( $taxs, isset( $taxs[0] ) ? $taxs[0] : reset( $taxs ) );
-
-                    }
-                }
-            }
-        }
-        return array(
-            'category_name' => $categories_names,
-            'category_tree' => $categories_tree,
-        );
-    }
-    /**
-     * Create tree structure of terms.
-     *
-     * @since 7.2.1
-     */
-    public static function create_terms_tree( &$list, $parent ) {
-        $taxTree = array();
-        if ( is_array($parent) ) {
-            foreach ( $parent as $ind => $val ) {
-                if ( isset( $list[ $val->term_id ] ) ) {
-                    $val->children = self::create_terms_tree( $list, $list[ $val->term_id ] );
-                }
-                $taxTree[] = $val;
-            }
-        }
-        return $taxTree;
-    }
-
+class QSM_Questions
+{
+
+
+    /**
+     * Loads single question using question ID
+     *
+     * @since  5.2.0
+     * @param  int $question_id The ID of the question.
+     * @return array The data for the question.
+     */
+    public static function load_question($question_id)
+    {
+        global $wpdb;
+        $question_id = intval($question_id);
+        $question    = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->prefix}mlw_questions WHERE question_id = %d LIMIT 1", $question_id), 'ARRAY_A');
+        if (! is_null($question)) {
+            $multicategories     = [];
+            $multicategories_res = $wpdb->get_results("SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id`='{$question['question_id']}' AND `taxonomy`='qsm_category'", ARRAY_A);
+            if (! empty($multicategories_res)) {
+                foreach ($multicategories_res as $cat) {
+                    $multicategories[] = $cat['term_id'];
+                }
+            }
+            $question['multicategories'] = $multicategories;
+            // Prepare answers.
+            $answers = maybe_unserialize($question['answer_array']);
+            if (! is_array($answers)) {
+                $answers = [];
+            }
+            $question['answers'] = $answers;
+
+            $settings = maybe_unserialize($question['question_settings']);
+            if (! is_array($settings)) {
+                $settings = [ 'required' => 1 ];
+            }
+            $question['settings'] = $settings;
+
+            return apply_filters('qsm_load_question', $question, $question_id);
+        }
+        return [];
+    }
+
+    /**
+     *
+     */
+    public static function load_question_data($question_id, $question_data)
+    {
+        global $wpdb;
+        return $wpdb->get_var("SELECT {$question_data} FROM {$wpdb->prefix}mlw_questions WHERE question_id = {$question_id} LIMIT 1");
+    }
+
+    /**
+     * Loads questions for a quiz using the new page system
+     *
+     * @since  5.2.0
+     * @param  int $quiz_id The ID of the quiz.
+     * @return array The array of questions.
+     */
+    public static function load_questions_by_pages($quiz_id, $caller = '')
+    {
+        // Prepares our variables.
+        global $wpdb;
+        global $mlwQuizMasterNext;
+        $quiz_id      = intval($quiz_id);
+        $question_ids = [];
+        $questions    = [];
+        $page_for_ids = [];
+
+        // Gets the pages for the quiz.
+        $mlwQuizMasterNext->pluginHelper->prepare_quiz($quiz_id);
+        $pages = $mlwQuizMasterNext->pluginHelper->get_quiz_setting('pages', [], $caller);
+
+        // Get all question IDs needed.
+        if (! empty($pages)) {
+            $total_pages = count($pages);
+            for ($i = 0; $i < $total_pages; $i++) {
+                foreach ($pages[ $i ] as $question) {
+                    $question_id                  = intval($question);
+                    $question_ids[]               = $question_id;
+                    $page_for_ids[ $question_id ] = $i;
+                }
+            }
+        }
+
+        // If we have any question IDs, get the questions.
+        if (count($question_ids) > 0) {
+            $question_sql = implode(', ', $question_ids);
+
+            // Get all questions.
+            $question_array = $wpdb->get_results($wpdb->prepare("SELECT * FROM {$wpdb->prefix}mlw_questions WHERE question_id IN (%1s)", $question_sql), 'ARRAY_A');
+            // Loop through questions and prepare serialized data.
+            foreach ($question_array as $question) {
+                $multicategories = self::get_question_categories($question['question_id']);
+                // get_question_categories
+
+                $question['multicategories']       = isset($multicategories['category_tree']) && ! empty($multicategories['category_tree']) ? array_keys($multicategories['category_name']) : [];
+                $question['multicategoriesobject'] = isset($multicategories['category_tree']) && ! empty($multicategories['category_tree']) ? $multicategories['category_tree'] : [];
+                // Prepares settings.
+                $settings = maybe_unserialize($question['question_settings']);
+                if (! is_array($settings)) {
+                    $settings = [ 'required' => 1 ];
+                }
+                $question['settings'] = $settings;
+                // Prepare answers.
+                $answers = maybe_unserialize($question['answer_array']);
+                if (! is_array($answers)) {
+                    $answers = [];
+                }
+                $question['answers'] = self::sanitize_answers($answers, $settings);
+                // Get the page.
+                $question_id      = intval($question['question_id']);
+                $question['page'] = intval($page_for_ids[ $question_id ]);
+
+                $questions[ $question_id ] = $question;
+            }
+        } else {
+            // If we do not have pages on this quiz yet, use older load_questions and add page to them.
+            $questions = self::load_questions($quiz_id, $caller);
+            foreach ($questions as $key => $question) {
+                $questions[ $key ]['page'] = isset($question['page']) ? $question['page'] : 0;
+            }
+        }
+        return apply_filters('qsm_load_questions_by_pages', $questions, $quiz_id);
+    }
+
+    /**
+     * Loads questions for a quiz
+     *
+     * @since  5.2.0
+     * @param  int $quiz_id The ID of the quiz.
+     * @return array The array of questions.
+     */
+    public static function load_questions($quiz_id, $caller = '')
+    {
+
+        global $wpdb;
+        $question_array = [];
+
+        // Get all questions.
+        if (0 !== $quiz_id) {
+            $quiz_id   = intval($quiz_id);
+            $questions = $wpdb->get_results($wpdb->prepare("SELECT * FROM {$wpdb->prefix}mlw_questions WHERE quiz_id=%d AND deleted='0' ORDER BY question_order ASC", $quiz_id), 'ARRAY_A');
+        } else {
+            $questions = $wpdb->get_results("SELECT * FROM {$wpdb->prefix}mlw_questions WHERE deleted='0' ORDER BY question_order ASC", 'ARRAY_A');
+        }
+
+        // Loop through questions and prepare serialized data.
+        foreach ($questions as $question) {
+            $multicategories     = [];
+            $multicategories_res = $wpdb->get_results("SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id`='{$question['question_id']}' AND `taxonomy`='qsm_category'", ARRAY_A);
+            if (! empty($multicategories_res)) {
+                foreach ($multicategories_res as $cat) {
+                    $multicategories[] = $cat['term_id'];
+                }
+            }
+            $question['multicategories'] = $multicategories;
+            // Prepare answers.
+            $answers = maybe_unserialize($question['answer_array']);
+            if (! is_array($answers)) {
+                $answers = [];
+            }
+            $question['answers'] = $answers;
+
+            $settings = maybe_unserialize($question['question_settings']);
+            if (! is_array($settings)) {
+                $settings = [ 'required' => 1 ];
+            }
+            $question['settings'] = $settings;
+
+            $question_array[ $question['question_id'] ] = $question;
+        }
+        $question_array = ! empty($caller) ? $question_array : array_filter(
+            $question_array,
+            function ($question) {
+                return ! isset($question['settings']['isPublished']) || 0 !== intval($question['settings']['isPublished']);
+            }
+        );
+        return apply_filters('qsm_load_questions', $question_array, $quiz_id);
+    }
+
+    /**
+     * Creates a new question
+     *
+     * @since  5.2.0
+     * @param  array $data     The question data.
+     * @param  array $answers  The answers for the question.
+     * @param  array $settings Any settings for the question.
+     * @throws Exception Throws exception if wpdb query results in error.
+     * @return int The ID of the question that was created.
+     */
+    public static function create_question($data, $answers = [], $settings = [])
+    {
+        return self::create_save_question($data, $answers, $settings);
+    }
+
+    /**
+     * Saves a question
+     *
+     * @since  5.2.0
+     * @param  int   $question_id The ID of the question to be saved.
+     * @param  array $data        The question data.
+     * @param  array $answers     The answers for the question.
+     * @param  array $settings    Any settings for the question.
+     * @throws Exception Throws exception if wpdb query results in error.
+     * @return int The ID of the question that was saved.
+     */
+    public static function save_question($question_id, $data, $answers = [], $settings = [])
+    {
+        $data['ID'] = intval($question_id);
+        return self::create_save_question($data, $answers, $settings, false);
+    }
+
+    /**
+     * Deletes a question
+     *
+     * @since  5.2.0
+     * @param  int $question_id The ID for the question.
+     * @throws Exception Throws exception if wpdb query results in error.
+     * @return bool True if successful
+     */
+    public static function delete_question($question_id)
+    {
+        global $wpdb;
+
+        $results = $wpdb->update(
+            $wpdb->prefix . 'mlw_questions',
+            [
+                'deleted' => 1,
+            ],
+            [ 'question_id' => intval($question_id) ],
+            [
+                '%d',
+            ],
+            [ '%d' ]
+        );
+
+        if (false === $results) {
+            $msg = $wpdb->last_error . ' from ' . $wpdb->last_query;
+            $mlwQuizMasterNext->log_manager->add('Error when deleting question', $msg, 0, 'error');
+            throw new Exception(esc_html($msg));
+        }
+
+        return true;
+    }
+
+    /**
+     * Creates or saves a question
+     *
+     * This is used internally. Use create_question or save_question instead.
+     *
+     * @since  5.2.0
+     * @param  array $data        The question data.
+     * @param  array $answers     The answers for the question.
+     * @param  array $settings    Any settings for the question.
+     * @param  bool  $is_creating True if question is being created, false if being saved.
+     * @throws Exception Throws exception if wpdb query results in error.
+     * @return int The ID of the question that was created/saved.
+     */
+    private static function create_save_question($data, $answers, $settings, $is_creating = true)
+    {
+        global $wpdb, $mlwQuizMasterNext;
+
+        // Prepare defaults and parse.
+        $defaults = [
+            'quiz_id'         => 0,
+            'type'            => '0',
+            'name'            => '',
+            'answer_info'     => '',
+            'comments'        => '1',
+            'hint'            => '',
+            'order'           => 1,
+            'category'        => '',
+            'multicategories' => '',
+            'linked_question' => '',
+        ];
+        $data     = wp_parse_args($data, $defaults);
+
+        $defaults = [
+            'required' => 1,
+        ];
+        $settings = wp_parse_args($settings, $defaults);
+
+        $sanitize_answers = self::sanitize_answers($answers, $settings);
+        foreach ($sanitize_answers as $key => $answer) {
+            $answers_array = [
+                isset($answer[0]) ? htmlspecialchars($answer[0], ENT_QUOTES) : '',
+                isset($answer[1]) ? floatval($answer[1]) : 0,
+                isset($answer[2]) ? intval($answer[2]) : 0,
+            ];
+            if (isset($answer[3])) {
+                array_push($answers_array, htmlspecialchars($answer[3], ENT_QUOTES));
+            }
+            $sanitize_answers[ $key ] = $answers_array;
+        }
+        $answers = apply_filters('qsm_answers_before_save', $sanitize_answers, $answers, $data, $settings);
+
+        $question_name             = htmlspecialchars($mlwQuizMasterNext->sanitize_html($data['name']), ENT_QUOTES);
+        $trim_question_description = apply_filters('qsm_trim_question_description', true);
+        if ($trim_question_description) {
+            $question_name = trim(preg_replace('/\s+/', ' ', $question_name));
+        }
+        $linked_question = sanitize_text_field($data['linked_question']);
+        $linked_questions_array = [];
+
+        if (( $is_creating && isset($data['is_linking']) && 1 <= $data['is_linking'] ) || ! $is_creating) {
+            // Convert the existing linked_question into an array
+            $linked_questions_array = array_filter(array_map('trim', explode(',', $linked_question)));
+            // Add the new value if it's not already in the array
+            if (isset($data['is_linking']) && ! in_array($data['is_linking'], $linked_questions_array, true)) {
+                $linked_questions_array[] = $data['is_linking'];
+            }
+            $linked_questions_array = array_filter($linked_questions_array);
+            // Join back into a comma-separated string
+            $linked_question = implode(',', $linked_questions_array);
+        } elseif (isset($data['is_linking']) && 0 == $data['is_linking']) {
+            $linked_question = '';
+        }
+
+        $values = [
+            'quiz_id'              => intval($data['quiz_id']),
+            'question_name'        => $question_name,
+            'answer_array'         => maybe_serialize($answers),
+            'question_answer_info' => $mlwQuizMasterNext->sanitize_html($data['answer_info']),
+            'comments'             => sanitize_text_field($data['comments']),
+            'hints'                => sanitize_text_field($data['hint']),
+            'question_order'       => intval($data['order']),
+            'question_type_new'    => sanitize_text_field($data['type']),
+            'question_settings'    => maybe_serialize($settings),
+            'category'             => sanitize_text_field($data['category']),
+            'linked_question'      => $linked_question,
+            'deleted'              => 0,
+        ];
+        $values = apply_filters('qsm_save_question_data', $values);
+
+        $types = [
+            '%d',
+            '%s',
+            '%s',
+            '%s',
+            '%d',
+            '%s',
+            '%d',
+            '%s',
+            '%s',
+            '%s',
+            '%s',
+            '%d',
+        ];
+
+        if ($is_creating) {
+            $results     = $wpdb->insert(
+                $wpdb->prefix . 'mlw_questions',
+                $values,
+                $types
+            );
+            $question_id = $wpdb->insert_id;
+        } else {
+            $question_id = intval($data['ID']);
+            $results     = $wpdb->update(
+                $wpdb->prefix . 'mlw_questions',
+                $values,
+                [ 'question_id' => $question_id ],
+                $types,
+                [ '%d' ]
+            );
+        }
+
+        if (false === $results) {
+            $msg = $wpdb->last_error . ' from ' . $wpdb->last_query;
+            $mlwQuizMasterNext->log_manager->add('Error when creating/saving question', $msg, 0, 'error');
+            throw new Exception(esc_html($msg));
+        }
+
+        $base_question_id = $question_id;
+        $quiz_questions_array = [];
+        $quiz_questions_array[ intval($data['quiz_id']) ] = $question_id;
+        $linked_questions_array[] = $question_id;
+        if (isset($linked_question) && "" != $linked_question) {
+            // preparing array for quiz question id
+            $imploded_question_ids = implode(',', array_unique($linked_questions_array));
+            if (! empty($linked_questions_array)) {
+                $quiz_results = $wpdb->get_results("SELECT `quiz_id`, `question_id` FROM `{$wpdb->prefix}mlw_questions` WHERE `question_id` IN (" . $imploded_question_ids . ")");
+                foreach ($quiz_results as $key => $value) {
+                    $quiz_questions_array[ $value->quiz_id ] = $value->question_id;
+                }
+            }
+            $values['linked_question'] = $imploded_question_ids;
+        }
+        $question_terms_table = $wpdb->prefix . 'mlw_question_terms';
+        foreach ($quiz_questions_array as $quiz_id => $question_id_loop) {
+            $values['quiz_id'] = intval($quiz_id);
+            $wpdb->update(
+                $wpdb->prefix . 'mlw_questions',
+                $values,
+                [ 'question_id' => intval($question_id_loop) ],
+                $types,
+                [ '%d' ]
+            );
+
+            /**
+             * Process Question Categories
+             */
+
+            $wpdb->delete(
+                $question_terms_table,
+                [
+                    'question_id' => $question_id_loop,
+                    'taxonomy'    => 'qsm_category',
+                ]
+            );
+            if (! empty($data['multicategories'])) {
+                foreach ($data['multicategories'] as $term_id) {
+                    $term_rel_data = [
+                        'question_id' => $question_id_loop,
+                        'quiz_id'     => intval($quiz_id),
+                        'term_id'     => $term_id,
+                        'taxonomy'    => 'qsm_category',
+                    ];
+                    // Check if the data already exists in the table
+                    $data_exists = $wpdb->get_row($wpdb->prepare("SELECT * FROM $question_terms_table WHERE question_id = %s AND quiz_id = %s AND term_id = %s AND taxonomy = %s", $question_id_loop, intval($quiz_id), $term_id, 'qsm_category'));
+                    if (! $data_exists) {
+                        $wpdb->insert($question_terms_table, $term_rel_data);
+                    }
+                }
+            }
+
+            /**
+             * Hook after saving question
+             */
+
+            if ($is_creating && $base_question_id == $question_id_loop) {
+                do_action('qsm_question_added', $question_id_loop, $values);
+            } else {
+                do_action('qsm_question_updated', $question_id_loop, $values);
+            }
+            do_action('qsm_saved_question', $question_id_loop, $values);
+        }
+        return $base_question_id;
+    }
+
+    /**
+     * Creates or saves a question
+     *
+     * sanitizes answers
+     *
+     * @since  7.3.5
+     * @param  array $answers The answers for the question.
+     * @return array sanitized $answers The answers for the question.
+     */
+    public static function sanitize_answers($answers, $settings)
+    {
+        global $mlwQuizMasterNext;
+        foreach ($answers as $key => $answer) {
+            if (isset($answer[0])) {
+                if (isset($settings['answerEditor']) && 'rich' == $settings['answerEditor']) {
+                    $answer[0] = $mlwQuizMasterNext->sanitize_html($answer[0]);
+                } else {
+                    $answer[0] = $mlwQuizMasterNext->sanitize_html($answer[0], false);
+                }
+                $answers[ $key ] = $answer;
+            }
+        }
+
+        return $answers;
+    }
+
+    /**
+     * Get categories for a quiz
+     *
+     * @since  7.2.1
+     * @param  int $quiz_id The ID of the quiz.
+     * @return array The array of categories.
+     */
+    public static function get_quiz_categories($quiz_id = 0)
+    {
+        global $wpdb;
+        $categories = [];
+        if (0 !== $quiz_id) {
+            $questions      = self::load_questions_by_pages($quiz_id);
+            $question_ids   = array_column($questions, 'question_id');
+            $question_ids   = implode(',', $question_ids);
+            $question_terms = $wpdb->get_results("SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id` IN ({$question_ids}) AND `taxonomy`='qsm_category'", ARRAY_A);
+            $term_ids       = ! empty($question_terms) ? array_unique(array_column($question_terms, 'term_id')) : [];
+            $cat_array      = self::get_question_categories_from_quiz_id($quiz_id);
+            $enabled        = get_option('qsm_multiple_category_enabled');
+            if ($enabled && 'cancelled' !== $enabled && ! empty($cat_array)) {
+                $term_ids = array_unique(array_merge($term_ids, $cat_array));
+            }
+
+            $categories = self::get_question_categories_from_term_ids($term_ids);
+        }
+        return $categories;
+    }
+
+    /**
+     * Get categories from quiz id
+     *
+     * @since  7.3.3
+     * @param  int $quiz_id The ID of the quiz.
+     * @return array The array of categories.
+     */
+    public static function get_question_categories_from_quiz_id($quiz_id)
+    {
+        $cat_array = [];
+        $questions = self::load_questions_by_pages($quiz_id);
+        foreach ($questions as $single_question) {
+            if (isset($single_question['multicategories']) && is_array($single_question['multicategories'])) {
+                foreach ($single_question['multicategories'] as $cat_id) {
+                    $cat_array[] = $cat_id;
+                }
+            }
+        }
+        return $cat_array;
+    }
+
+    /**
+     * Get categories from term ids
+     *
+     * @since  7.3.3
+     * @param  int $term_ids Term IDs of the quiz.
+     * @return array The array of categories.
+     */
+    public static function get_question_categories_from_term_ids($term_ids)
+    {
+        $categories = [];
+        if (! empty($term_ids)) {
+            $categories_names = [];
+            $categories_tree  = [];
+            $terms            = get_terms(
+                [
+                    'taxonomy'   => 'qsm_category',
+                    'include'    => $term_ids,
+                    'hide_empty' => false,
+                    'orderby'    => '',
+                    'order'      => '',
+                ]
+            );
+            if (! empty($terms)) {
+                foreach ($terms as $tax) {
+                    $categories_names[ $tax->term_id ] = $tax->name;
+                    $taxs[ $tax->parent ][]            = $tax;
+                }
+                $categories_tree = self::create_terms_tree($taxs, isset($taxs[0]) ? $taxs[0] : reset($taxs));
+            }
+            $categories = [
+                'list' => $categories_names,
+                'tree' => $categories_tree,
+            ];
+        }
+        return $categories;
+    }
+
+    /**
+     * Get categories for a Question
+     *
+     * @since  7.2.1
+     * @param  int $quiz_id The ID of the quiz.
+     * @return array The array of categories.
+     */
+    public static function get_question_categories($question_id = 0)
+    {
+        global $wpdb;
+        $categories_tree  = [];
+        $categories_names = [];
+        if (0 !== $question_id) {
+            $question_terms = $wpdb->get_results("SELECT `term_id` FROM `{$wpdb->prefix}mlw_question_terms` WHERE `question_id`='{$question_id}' AND `taxonomy`='qsm_category'", ARRAY_A);
+            if (! empty($question_terms)) {
+                $term_ids = array_unique(array_column($question_terms, 'term_id'));
+                if (! empty($term_ids)) {
+                    $terms = get_terms(
+                        [
+                            'taxonomy'   => 'qsm_category',
+                            'include'    => array_unique($term_ids),
+                            'hide_empty' => false,
+                            'orderby'    => '',
+                            'order'      => '',
+                        ]
+                    );
+                    if (! empty($terms)) {
+                        foreach ($terms as $tax) {
+                            $categories_names[ $tax->term_id ] = $tax->name;
+                            $taxs[ $tax->parent ][]            = $tax;
+                        }
+                        $categories_tree = self::create_terms_tree($taxs, isset($taxs[0]) ? $taxs[0] : reset($taxs));
+                    }
+                }
+            }
+        }
+        return [
+            'category_name' => $categories_names,
+            'category_tree' => $categories_tree,
+        ];
+    }
+    /**
+     * Create tree structure of terms.
+     *
+     * @since 7.2.1
+     */
+    public static function create_terms_tree(&$list, $parent)
+    {
+        $taxTree = [];
+        if (is_array($parent)) {
+            foreach ($parent as $ind => $val) {
+                if (isset($list[ $val->term_id ])) {
+                    $val->children = self::create_terms_tree($list, $list[ $val->term_id ]);
+                }
+                $taxTree[] = $val;
+            }
+        }
+        return $taxTree;
+    }
 }

quiz-master-next/trunk/readme.txt

@@ -5 +5 @@
 Tested up to: 6.8
 Requires PHP: 5.4
-Stable tag: 10.2.7
+Stable tag: 10.2.8
 License: GPLv2
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -222 +222 @@
 
 == Changelog ==
+= 10.2.8 ( October 3, 2025 ) =
+* Feature: Added option to shuffle questions in edit quiz page
+* Bug: Resolved conflict between per-user limits and total quiz limits
+
 = 10.2.7 ( September 8, 2025 ) =
 * Bug: Fixed an issue where the quiz page displayed blank if the "End Quiz" section was missing