3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo substr("ISIC", 0, -3);
Output for 5.2.15 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
I
Output for hhvm-3.10.0

Process exited with code 153.