3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'echo "hello, my name is $array[foo] and it\'s nice to meet you";'; echo preg_replace_callback('/\".*(\$.*\[[^\'].*[^\']\]).*\"/', function($match) { $search = ['[', ']']; $replace = ["['", "']"]; $array = '" . ' . str_replace($search, $replace, $match[1]) . ' . "'; return str_replace($match[1], $array, $match[0]); }, $str);
Output for git.master, git.master_jit, rfc.property-hooks
echo "hello, my name is " . $array['foo'] . " and it's nice to meet you";

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:
25.96 ms | 405 KiB | 5 Q