3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function fibonacci($n) { if ($n < 3) { return 1; } else { return fibonacci($n-1) + fibonacci($n-2); } } for ($n = 1; $n <= 16; $n++) { echo(fibonacci($n) . ", "); } echo("...\n"); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, ...