3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( urldecode(1) );
based on KJuIs

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

Output for Arrow functions
string(1) "1"

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