3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $d=6; $num=1; for($a=1;$a<=$d;$a++) { for($b=0;$b<=$a;$b++) { echo " "; $num++; } echo "$a"; }
based on IWaAB
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 2 3 4 5 6
Output for hhvm-3.10.0

Process exited with code 153.