run code in 200+ php & hhvm versions
Bugs & Features
<?php $n=11;$m=50; while($n<=$m) { echo ($n*2).' '; $n=$n+1; } ?>
based on IN6Yv

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page