3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array=array('w'=>"b",'h'=>"a",'g'=>"m",'l'=>"g"); sort($array); //print_r($array); foreach($array as $a=>$b) { echo $a; }
based on nub3i
Output for 4.3.0 - 7.1.0
0123