3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array(1, 1, 2, 3, 5); foreach ($array as &$value) { $value *= $value; } unset($value); var_dump($array); $value = 42; var_dump($array); __exit_handler(); array_walk($array, function(&$value, &$key) { $value *= $value; }); var_dump($array);

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
array(5) { [0]=> int(1) [1]=> int(1) [2]=> int(4) [3]=> int(9) [4]=> int(25) } array(5) { [0]=> int(1) [1]=> int(1) [2]=> int(4) [3]=> int(9) [4]=> int(25) } Fatal error: Uncaught Error: Call to undefined function __exit_handler() in /in/WMJf8:18 Stack trace: #0 {main} thrown in /in/WMJf8 on line 18
Output for Array change keys
array(5) { [0]=> int(1) [1]=> int(1) [2]=> int(4) [3]=> int(9) [4]=> int(25) } array(5) { [0]=> int(1) [1]=> int(1) [2]=> int(4) [3]=> int(9) [4]=> int(25) } Fatal error: Uncaught Error: Call to undefined function __exit_handler() in /in/WMJf8:18 Stack trace: #0 {main} thrown in /in/WMJf8 on line 18
Output for Lexical anon
array(5) { [0]=> int(1) [1]=> int(1) [2]=> int(4) [3]=> int(9) [4]=> int(25) } array(5) { [0]=> int(1) [1]=> int(1) [2]=> int(4) [3]=> int(9) [4]=> int(25) } Fatal error: Call to undefined function __exit_handler() in /in/WMJf8 on line 18

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