3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for($i=1;$i<=10;$i++) { for($l=0;$l<=$i;$l++) { echo $i; echo"/l"; } }
based on jCCab
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1/l1/l2/l2/l2/l3/l3/l3/l3/l4/l4/l4/l4/l4/l5/l5/l5/l5/l5/l5/l6/l6/l6/l6/l6/l6/l6/l7/l7/l7/l7/l7/l7/l7/l7/l8/l8/l8/l8/l8/l8/l8/l8/l8/l9/l9/l9/l9/l9/l9/l9/l9/l9/l9/l10/l10/l10/l10/l10/l10/l10/l10/l10/l10/l10/l