3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['net' => ['domain' => ['www' => null, 'shit' => null]]]; function walk(array $a, $stem = '') { $result = []; foreach ($a as $k => $v) { $current = $stem ? "$stem.$k" : $k; if (is_array($v)) { $result = array_merge($result, walk($v, $current)); } else { $result[] = $current; } } return $result; } foreach (walk($a) as $domain) { print "$domain\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
net.domain.www net.domain.shit

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:
41.21 ms | 1626 KiB | 4 Q