3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ClassThatExists { // } $class = new ClassThatExists(); if ($class instanceof NonExistentClass) { var_dump('instanceof NonExistentClass'); } if ($class instanceof ClassThatExists) { var_dump('instanceof ClassThatExists'); }
Output for git.master, git.master_jit, rfc.property-hooks
string(26) "instanceof ClassThatExists"

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:
24.52 ms | 405 KiB | 5 Q