3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace x { function a($x) { echo $x; } define('\x\a', '\x\a'); } namespace { var_dump(defined('a'), \x\a); }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "x\a" in /in/Oclha:11 Stack trace: #0 {main} thrown in /in/Oclha on line 11
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:
53.39 ms | 401 KiB | 8 Q