| Q | A | ---------------- | ----- | Bug report? | yes | Feature request? | no | BC Break report? | no | RFC? | no | Symfony version | 3.3.2 https://github.com/BoShurik/symfony-standard/commit/ab139bc4fb1e0417a894c4627bcbf91667e653e2 `cache.app` service builds as ```php protected function getCache_App_RecorderInnerService($lazyLoad = true) { return $this->services['cache.app.recorder_inner'] = new \Symfony\Component\Cache\Adapter\ArrayAdapter('09wk9DB47N', false); } ``` If `0 <'09wk9DB47N'` then we got an exception ``` Notice: A non well formed numeric value encountered ``` here: https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Cache/Adapter/ArrayAdapter.php#L130