3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for($i = 1; $i <= 100; $i += 9){ echo $i . ', '; }
based on ZX4vT
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
1, 10, 19, 28, 37, 46, 55, 64, 73, 82, 91, 100,