| Q | A | ---------------- | ----- | Bug report? | no | Feature request? | no | BC Break report? | no | RFC? | no | Symfony version | 3.2.0 Is there a reason why the `chmod($tmpFile, 0666)` is forced? https://github.com/symfony/symfony/blob/c60009eae8506cfd31786fdcd867b4e76478345a/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php#L153