3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(&$a) { $a++; } a(strlen('a')); echo $a;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: a(): Argument #1 ($a) cannot be passed by reference in /in/1Q8Rh:6 Stack trace: #0 {main} thrown in /in/1Q8Rh on line 6
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

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

preferences:
41.81 ms | 401 KiB | 8 Q