3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for($n=1e6;$n--;)$a=array($a);

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Typed properties v2
Notice: Undefined variable: a in /in/C9Hsp on line 1 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/C9Hsp on line 1
Output for Array change keys
Notice: Undefined variable: a in /in/C9Hsp on line 1 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/C9Hsp on line 1
Output for Lexical anon
Notice: Undefined variable: a in /in/C9Hsp on line 1 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 4096 bytes) in /in/C9Hsp on line 1

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