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-rw-r--r--includes/interwiki/Interwiki.php21
1 files changed, 17 insertions, 4 deletions
diff --git a/includes/interwiki/Interwiki.php b/includes/interwiki/Interwiki.php
index 02fbb080..33e50668 100644
--- a/includes/interwiki/Interwiki.php
+++ b/includes/interwiki/Interwiki.php
@@ -115,6 +115,17 @@ class Interwiki {
}
/**
+ * Purge the cache for an interwiki prefix
+ * @param string $prefix
+ * @since 1.26
+ */
+ public static function invalidateCache( $prefix ) {
+ $cache = ObjectCache::getMainWANInstance();
+ $key = wfMemcKey( 'interwiki', $prefix );
+ $cache->delete( $key );
+ }
+
+ /**
* Fetch interwiki prefix data from local cache in constant database.
*
* @note More logic is explained in DefaultSettings.
@@ -191,16 +202,18 @@ class Interwiki {
* @return Interwiki|bool Interwiki if $prefix is valid, otherwise false
*/
protected static function load( $prefix ) {
- global $wgMemc, $wgInterwikiExpiry;
+ global $wgInterwikiExpiry;
$iwData = array();
if ( !Hooks::run( 'InterwikiLoadPrefix', array( $prefix, &$iwData ) ) ) {
return Interwiki::loadFromArray( $iwData );
}
+ $cache = ObjectCache::getMainWANInstance();
+
if ( !$iwData ) {
$key = wfMemcKey( 'interwiki', $prefix );
- $iwData = $wgMemc->get( $key );
+ $iwData = $cache->get( $key );
if ( $iwData === '!NONEXISTENT' ) {
// negative cache hit
return false;
@@ -232,13 +245,13 @@ class Interwiki {
'iw_local' => $iw->mLocal,
'iw_trans' => $iw->mTrans
);
- $wgMemc->add( $key, $mc, $wgInterwikiExpiry );
+ $cache->set( $key, $mc, $wgInterwikiExpiry );
return $iw;
}
// negative cache hit
- $wgMemc->add( $key, '!NONEXISTENT', $wgInterwikiExpiry );
+ $cache->set( $key, '!NONEXISTENT', $wgInterwikiExpiry );
return false;
}