3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 121; $b = (string)$a; $c = str_split($b); for ($b=0; $b<=count($c);++$b){ $d=array_sum($c); } echo $d;
based on 004l5
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0alpha1
4