3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function escape($str) { return '`' . $str . '`'; } function bar() { $str = 'hello world !'; return preg_replace_callback('~\w+~', function($m){ return $this->escape($m[0]); }, $str); } } $foo = new Foo(); echo $foo->bar();
Output for git.master, git.master_jit, rfc.property-hooks
`hello` `world` !

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:
61.96 ms | 401 KiB | 8 Q