3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(strncmp('foo_wrapper', '_wrapper', -8)); ?>
Output for 5.1.3 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: Length must be greater than or equal to 0 in /in/Ite0e on line 2 bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.1.2
int(7)