3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(); for ($i=0;$i<10000000;$i++) { $a[] = $i; } echo count($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
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108872 bytes) in /in/HDrPY on line 6
Output for Array change keys
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108872 bytes) in /in/HDrPY on line 6
Output for Lexical anon
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108864 bytes) in /in/HDrPY on line 6

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