3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array( '13-' => 'z', '14-' => 'b', '6-' => 'a', '5' => 'a' ); ksort($array); print_r($array);
Output for 4.3.0 - 7.1.0
Array ( [5] => a [13-] => z [14-] => b [6-] => a )