3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [7 => "value", "key" => "value2"]; foreach ($a as $k => &$v) { $v .= "a"; } $result = [key($a)=>array_shift($a)]; // wrong $a = [7 => "value", "key" => "value2"]; var_dump($result); foreach ($a as $k => &$v) { $v .= "a"; } reset($a); $result = [key($a)=>array_shift($a)]; // correct var_dump($result);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [7]=> string(6) "valuea" } array(1) { [7]=> string(6) "valuea" }

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:
38.88 ms | 405 KiB | 5 Q