3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3,null,4,null,5); /*if (($key = array_search(null, $a)) !== false) { unset($a[$key]); }*/ array_filter($a); print_r($a);
based on rNFih
Output for 4.3.0 - 7.2.0
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => [4] => 4 [5] => [6] => 5 )