3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/a{1,3}b/U', 'ab'));
Output for 4.3.0 - 5.5.9, 5.5.13 - 7.1.0
int(1)
Output for 5.5.10 - 5.5.12
int(0)