Where does WordPress store version number?

3 comments

1. If you need to get the wordpress version in your script, there is a global variable:

   $wp_version (right now it’s something like '3.1-RC3-17376')

   It contains the wordpress version.

   If you need to acquire if from a file, you can read it from /wp-includes/version.php:

   function getWPVersion() {
       $path = '/path/to/wp-install';
       include $path.'/wp-includes/version.php';
       return $wp_version;
   }
   

   WordPress Version Variables

   There is more information available in that file:

   • $wp_version – The WordPress version string (‘3.1-RC3-17376’)
   • $wp_db_version – Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema (17056)
   • $tinymce_version – The TinyMCE version string (‘3393’)
   • $manifest_version – Holds the cache manifest version (‘20111113’)
   • $required_php_version – Holds the required PHP version (‘4.3’)
   • $required_mysql_version – Holds the required MySQL version (‘4.1.2’)

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2. The codex says its in wp-includes/version.php.

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3. add_action( 'after_setup_theme', 'getWPVersion' );
   
   function getWPVersion() {
   
       echo $GLOBALS['wp_version'];
   
   }
   

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