3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a['p'] = null; $a['c'] = false; echo isset($a['p']); echo " __ "; echo array_key_exists($a['p']); echo " ___ "; echo isset($a['c']);
Output for git.master, git.master_jit, rfc.property-hooks
__ Fatal error: Uncaught ArgumentCountError: array_key_exists() expects exactly 2 arguments, 1 given in /in/L8Q5S:9 Stack trace: #0 /in/L8Q5S(9): array_key_exists(NULL) #1 {main} thrown in /in/L8Q5S on line 9
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:
49.52 ms | 401 KiB | 8 Q