3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo substr('3M', 0, -1); echo substr('154B', 0, -1);
Output for 4.3.0 - 5.6.26, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
3154