Introduce MessageCache::getAllMessageKeys(), which returns all message keys stored...

[lhc/web/wiklou.git] / includes / cache / MessageCache.php

diff --git a/includes/cache/MessageCache.php b/includes/cache/MessageCache.php
index d16f63e..6964479 100644 (file)
--- a/includes/cache/MessageCache.php
+++ b/includes/cache/MessageCache.php
@@ -961,4 +961,25 @@ class MessageCache {
                return array_keys( $list );
        }
 
+       /**
+        * Get all message keys stored in the message cache for a given language.
+        * If $code is the content language code, this will return all message keys
+        * for which MediaWiki:msgkey exists. If $code is another language code, this
+        * will ONLY return message keys for which MediaWiki:msgkey/$code exists.
+        * @param $code string
+        * @return array of message keys (strings)
+        */
+       public function getAllMessageKeys( $code ) {
+               global $wgContLang;
+               $this->load( $code );
+               if ( !isset( $this->mCache[$code] ) ) {
+                       // Apparently load() failed
+                       return null;
+               }
+               $cache = $this->mCache[$code]; // Copy the cache
+               unset( $cache['VERSION'] ); // Remove the VERSION key
+               $cache = array_diff( $cache, array( '!NONEXISTENT' ) ); // Remove any !NONEXISTENT keys
+               // Keys may appear with a capital first letter. lcfirst them.
+               return array_map( array( $wgContLang, 'lcfirst' ), array_keys( $cache ) );
+       }
 }