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-rw-r--r--includes/MediaWikiVersionFetcher.php31
1 files changed, 31 insertions, 0 deletions
diff --git a/includes/MediaWikiVersionFetcher.php b/includes/MediaWikiVersionFetcher.php
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+++ b/includes/MediaWikiVersionFetcher.php
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+<?php
+
+/**
+ * Provides access to MediaWiki's version without requiring MediaWiki (or anything else)
+ * being loaded first.
+ *
+ * @licence GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class MediaWikiVersionFetcher {
+
+ /**
+ * Returns the MediaWiki version, in the format used by MediaWiki's wgVersion global.
+ *
+ * @return string
+ * @throws RuntimeException
+ */
+ public function fetchVersion() {
+ $defaultSettings = file_get_contents( __DIR__ . '/DefaultSettings.php' );
+
+ $matches = array();
+ preg_match( "/wgVersion = '([-0-9a-zA-Z\.]+)';/", $defaultSettings, $matches );
+
+ if ( count( $matches ) !== 2 ) {
+ throw new RuntimeException( 'Could not extract the MediaWiki version from DefaultSettings.php' );
+ }
+
+ return $matches[1];
+ }
+
+}