3v4l.org

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