3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function fibo($n) { if ($n < 2) { return 1; } return fibo($n - 1) + fibo($n - 2); } print fibo(5);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
8