3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 10; $f = function($let)use($var){ return ++$let + $var; }; $var = 15; echo $f(10);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
160.73 ms | 2278 KiB | 10 Q