comparison vendor/doctrine/cache/lib/Doctrine/Common/Cache/MemcachedCache.php @ 12:7a779792577d

Update Drupal core to v8.4.5 (via Composer)

     /**
      * {@inheritdoc}
      */
     protected function doContains($id)
     {
-        return false !== $this->memcached->get($id)
-            || $this->memcached->getResultCode() !== Memcached::RES_NOTFOUND;
+        $this->memcached->get($id);
+
+        return $this->memcached->getResultCode() === Memcached::RES_SUCCESS;
     }
 
     /**
      * {@inheritdoc}
      */