3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for($i=0;$i<100;$i++){ $a = (string)(string)(string)(string)(string)(string) 'a'; $b = 'b'; }
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.