3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (preg_match('/[^a-z]/i', '541-582-7962')) { echo 1; }
based on sLAqT
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
1