3v4l.org

run code in 300+ PHP versions simultaneously
<?php $petr=array(1,2,4,5,6,8,4,7,5,6,3); function bazar($cyfr){ return ($cyfr & 4); } $petr_fil=array_filter($petr, bazar); print_r($petr); print_r($petr_fil); print_r(bazar(6));

preferences:
50 ms | 402 KiB | 5 Q