3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo isset(false);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/lTqAM on line 3
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:
153.62 ms | 1386 KiB | 10 Q