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  * @author Jeroen De Dauw < jeroendedauw@gmail.com >
   8  */
   9 class MediaWikiVersionFetcher {
  10
  11         /**
  12          * Get the MediaWiki version, extracted from the PHP source file where it is defined.
  13          *
  14          * @return string
  15          * @throws RuntimeException
  16          */
  17         public function fetchVersion() {
  18                 $code = file_get_contents( __DIR__ . '/Defines.php' );
  19
  20                 $matches = [];
  21                 preg_match( "/define\( 'MW_VERSION', '([0-9a-zA-Z\.\-]+)'/", $code, $matches );
  22
  23                 if ( count( $matches ) !== 2 ) {
  24                         throw new RuntimeException( 'Could not extract the MediaWiki version from Defines.php' );
  25                 }
  26
  27                 return $matches[1];
  28         }
  29
  30 }