3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $items=[3,7,2,9,2,3,8]; $c = function($a, $b) { return $a <=> $b; }; uasort($items, $c); print_r($items);
based on bL6mI
Output for hhvm-3.18.5 - 3.22.0, 7.1.0 - 7.2.10
Array ( [2] => 2 [4] => 2 [0] => 3 [5] => 3 [1] => 7 [6] => 8 [3] => 9 )
Output for 5.6.30
Parse error: syntax error, unexpected '>' in /in/eQlJT on line 5
Process exited with code 255.