3v4l.org

run code in 300+ PHP versions simultaneously
<?php function curid() { $id = 0; return function() use($id) { $id = $id + 1; return $id; }; } echo curid()() . '-' . curid()() . '-' . curid()();

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
204.81 ms | 2373 KiB | 13 Q