3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'aaa'; $b = 'ahoj aaa'; echo substr($b, 0, -strlen($a - 1)); echo "\n"; echo substr($b, 0, -strlen($a) - 1);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /in/v4p3t:5 Stack trace: #0 {main} thrown in /in/v4p3t on line 5
Process exited with code 255.

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:
47.74 ms | 401 KiB | 8 Q