3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $email = '"<script src=//my.evil.site/is/attacking/u.js></script>"@example.com'; print (bool) filter_var($email, FILTER_VALIDATE_EMAIL);
Output for 5.2.16 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.