symfony
diff --git a/‎Traits/AbstractTrait.php
Lines changed: 4 additions & 0 deletions b/‎Traits/AbstractTrait.php
Lines changed: 4 additions & 0 deletions
@@ -281,6 +281,10 @@ private function getId($key): string
         CacheItem::validateKey($key);
         $this->ids[$key] = $key;
 
+        if (\count($this->ids) > 1000) {
+            array_splice($this->ids, 0, 500); // stop memory leak if there are many keys
+        }
+
         if (null === $this->maxIdLength) {
             return $this->namespace.$this->namespaceVersion.$key;
         }