3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = array('red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet'); foreach ($x as $key => $value) { echo $key.' '.$value; }
based on gMWJS
Output for 4.3.0 - 7.2.0
0 red1 orange2 yellow3 green4 blue5 indigo6 violet