{"id":1392,"date":"2015-04-22T08:25:10","date_gmt":"2015-04-22T08:25:10","guid":{"rendered":"http:\/\/tutorialsclass.com\/faq\/define-a-constant-in-php"},"modified":"2021-04-25T17:44:36","modified_gmt":"2021-04-25T17:44:36","slug":"define-a-constant-in-php","status":"publish","type":"faq","link":"https:\/\/tutorialsclass.com\/faq\/define-a-constant-in-php\/","title":{"rendered":"How to define a Constant in PHP?"},"content":{"rendered":"\n<p>Constant can be declared using <code>define()<\/code> function in PHP. <\/p>\n\n\n\n<p>Constants are used instead of variables where its value is rarely changed. For an example, Tax rate is almost constant for many years. So we can define it in a constant rather than variable.<\/p>\n\n\n\n<pre class=\"wp-block-code language-php\"><code>&lt;?php\ndefine(\"TAX\", \"14\");\necho TAX;\n?><\/code><\/pre>\n\n\n\t<div class=\"icon-box\">\r\n\t\t<div class=\"icon-box-content tips-icon\" title=\"Notes & Tips\"><span class=\"dashicons dashicons-lightbulb\"><\/span><\/div>\r\n\t\t<div class=\"tips-box-content\">\r\n\t\t\t<strong>Note:<\/strong> \nNote: Unlike with variables, we do not need to use doller ($) to output constant value.\n\t\t<\/div>\r\n\t<\/div>\r\n\r\n\n","protected":false},"excerpt":{"rendered":"<p>Constant can be declared using define() function in PHP. Constants are used instead of variables where its value is rarely changed. For an example, Tax rate is almost constant for many years&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"faq_type":[122,104],"keywords":[207],"class_list":["post-1392","faq","type-faq","status-publish","hentry","faq_type-all-php-interview-questions-answers","faq_type-php-variables-interview-questions-and-answers","keywords-php-constant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to define a Constant in PHP? - FAQs - Tutorials Class<\/title>\n<meta name=\"description\" content=\"How to define a Constant in PHP? - Constant can be declared using define() function in PHP. 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