3v4l.org

run code in 300+ PHP versions simultaneously
<?php function stringInterpolate($str, array $vars) { return preg_replace_callback('/\{\$(\w+)\}/', function($matches){ return $matches[1]; }, $str); } echo stringInterpolate('{$name} {$surname}', array('name' => 'foo', 'surname' => 'Bar'));
Output for git.master, git.master_jit, rfc.property-hooks
name surname

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:
32.5 ms | 401 KiB | 8 Q