run code in 200+ php & hhvm versions
Bugs & Features
<?php foreach (range(0, 256) as $i) { echo "$i -- as int: ", ctype_digit($i), "; as string: ", ctype_digit((str)$i), "\n"; }

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