3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = ''; $test = null; var_dump(isset($test)); echo $test; $test2 = ''; unset($test2); var_dump(isset($test2)); echo $test2;
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(false) Warning: Undefined variable $test2 in /in/1B2DV on line 11

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:
57.24 ms | 401 KiB | 8 Q