3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $k=1; for($i=1;$i<10;$i++) { for($j=1;$j<=$i;$j++) { echo "\t".$k++; } echo "\n"; } for($i=10;$i>=1;$i--) { for($j=1;$j<=$i;$j++) { if($j<$i) echo "\t".$i; else echo "\t".$i; } echo "\n"; }
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 10 10 10 10 10 10 10 10 10 10 9 9 9 9 9 9 9 9 9 8 8 8 8 8 8 8 8 7 7 7 7 7 7 7 6 6 6 6 6 6 5 5 5 5 5 4 4 4 4 3 3 3 2 2 1
Output for hhvm-3.10.0

Process exited with code 153.