Merge "Added a separate error message for mkdir failures"

[lhc/web/wiklou.git] / includes / libs / MapCacheLRU.php

diff --git a/includes/libs/MapCacheLRU.php b/includes/libs/MapCacheLRU.php
index 2f5a454..db6869b 100644 (file)
--- a/includes/libs/MapCacheLRU.php
+++ b/includes/libs/MapCacheLRU.php
@@ -58,7 +58,7 @@ class MapCacheLRU {
         * @return void
         */
        public function set( $key, $value ) {
-               if ( array_key_exists( $key, $this->cache ) ) {
+               if ( $this->has( $key ) ) {
                        $this->ping( $key );
                } elseif ( count( $this->cache ) >= $this->maxCacheKeys ) {
                        reset( $this->cache );
@@ -75,6 +75,9 @@ class MapCacheLRU {
         * @return bool
         */
        public function has( $key ) {
+               if ( !is_int( $key ) && !is_string( $key ) ) {
+                       throw new MWException( __METHOD__ . ' called with invalid key. Must be string or integer.' );
+               }
                return array_key_exists( $key, $this->cache );
        }
 
@@ -87,7 +90,7 @@ class MapCacheLRU {
         * @return mixed Returns null if the key was not found
         */
        public function get( $key ) {
-               if ( !array_key_exists( $key, $this->cache ) ) {
+               if ( !$this->has( $key ) ) {
                        return null;
                }