3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function abc($i){ if($i > 1){ $i--; abc($i); }else{ echo $i; } } abc(4); ?>
based on uD892
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1