3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); function foo(){ return 'string'; } $temp =& foo();
based on p9JNm

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

Output for Arrow functions
Notice: Only variables should be assigned by reference in /in/vXUIZ on line 6
Output for Object typehint
Notice: Only variables should be assigned by reference in /in/vXUIZ on line 6

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