MDL-41558 cache: Identifiers should never be passed as null to cache::make()

2013-09-03 13:37:50 +08:00
parent 06f6885b27
commit f5c263836d
1 changed files with 1 additions and 1 deletions
@@ -756,7 +756,7 @@ class cache_definition {
     */
    public function set_identifiers(array $identifiers = array()) {
        foreach ($this->requireidentifiers as $identifier) {
-            if (!array_key_exists($identifier, $identifiers)) {
+            if (!isset($identifiers[$identifier])) {
                throw new coding_exception('Identifier required for cache has not been provided: '.$identifier);
            }
        }