3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(mb_strlen("système"));
Output for 5.6.7 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
int(7)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.5.35
int(8)