3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = substr("foo",3); if(strlen($foo) == 0){ echo "Run on both PHP 5 and PHP 7\n"; echo gettype($foo); //boolean on PHP 5 and string on PHP 7 }
based on RGY8N

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Arrow functions
Run on both PHP 5 and PHP 7 string
Output for Object typehint
Run on both PHP 5 and PHP 7 string

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