kt-12 · December 20, 2018 06:07
diff --git a/remove-action-in-instance.php b/remove-action-in-instance.php
 <?php
 /**
 * Remove a hook ( action or filter ) linked to any instance of the class.
 *
 * @param string $tag The Hook's name.
 * @param string $class_name  Name of the class which has the hook.
 * @param string $function_to_remove Hook's callback function name.
 * @param int $priority Priority of the hook.
 * @return boolean returns ture if sucessfully removed.
 */
 function remove_action_in_instance( $tag, $class_name, $function_to_remove, $priority = 10 )
 {
    global $wp_filter;
    
    $removed = false;
    if(isset($wp_filter[$tag]->callbacks[$priority]) ){
        $hooks = $wp_filter[$tag]->callbacks[$priority];
        foreach ($hooks as $key => $hook) {
            if( preg_match_all("/[a-z0-9]+". $function_to_remove ."/", $key, $matches) == 1 ){
                if ( $hook['function'][0] instanceof $class_name ) {
                    $removed = remove_filter($tag, array($hook['function'][0], $function_to_remove), $priority);
                }
            }
        }
    }
    return $removed;
 }
No results found