3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [1,2,3]; foreach ($foo as $k => $v) { var_dump($k, $v); if ($k === 0) { unset($foo[1]); } }

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
155.57 ms | 3293 KiB | 9 Q