3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $psnid = preg_match('/^[a-z]{1}[a-z0-9_-]*/', 'Xx_niteshade_xX'); echo $psnid;
based on duXJb

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

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