3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib_rek($n) { if($n==0) { return 0; } if($n==1) { return 1; } return fib_rek($n-2) + fib_rek($n-1); } fib_rek(100);
Output for git.master, git.master_jit, rfc.property-hooks

Process exited with code 137.

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:
47.79 ms | 401 KiB | 8 Q