includes/MediaWikiVersionFetcher.php

   1 <?php
   2
   3 /**
   4  * Provides access to MediaWiki's version without requiring MediaWiki (or anything else)
   5  * being loaded first.
   6  *
   7  * @licence GNU GPL v2+
   8  * @author Jeroen De Dauw < jeroendedauw@gmail.com >
   9  */
  10 class MediaWikiVersionFetcher {
  11
  12         /**
  13          * Returns the MediaWiki version, in the format used by MediaWiki's wgVersion global.
  14          *
  15          * @return string
  16          * @throws RuntimeException
  17          */
  18         public function fetchVersion() {
  19                 $defaultSettings = file_get_contents( __DIR__ . '/DefaultSettings.php' );
  20
  21                 $matches = array();
  22                 preg_match( "/wgVersion = '([0-9a-zA-Z\.\-]+)';/", $defaultSettings, $matches );
  23
  24                 if ( count( $matches ) !== 2 ) {
  25                         throw new RuntimeException( 'Could not extract the MediaWiki version from DefaultSettings.php' );
  26                 }
  27
  28                 return $matches[1];
  29         }
  30
  31 }