3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function fibo($n) { if ($n < 2) { return 1; } $prev = 0; $next = 1; for ($i=0; $i < $n; $i++) { $temp = $next + $prev; $prev = $next; $next = $temp; } return $next; } print fibo(30);
based on B1eL9
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1346269