3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; for ($i = 1; $i <= 100; $i++) { //if( !($i % 2)) continue; echo ($i%2)."\n"; $a++; } echo $a;
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 101
Output for hhvm-3.10.0

Process exited with code 153.