3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,-1,0,NULL,2,0,-2); asort($a, SORT_NUMERIC); print_r($a);
Output for 7.0.0 - 7.1.0
Array ( [6] => -2 [1] => -1 [2] => 0 [3] => [5] => 0 [0] => 1 [4] => 2 )
Output for 4.3.0 - 5.6.28
Array ( [6] => -2 [1] => -1 [5] => 0 [3] => [2] => 0 [0] => 1 [4] => 2 )