3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a','b','c','d','e','f']; $b = ['a','e']; $dic = array_flip($b); $result = array_filter($a, function($v)use($dic){return !isset($dic[$v]);}); print_r($result);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
213.06 ms | 2109 KiB | 11 Q