run code in 300+ PHP versions simultaneously
<?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 }
Output for git.master, git.master_jit
Run on both PHP 5 and PHP 7 string

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

16.3 ms | 408 KiB | 5 Q