3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = 'asdfghjkl-1234567890'; for ($i = 0;$i < 100;$i++) { $alnum = str_replace('-', '', str_replace('_', '', $text)); ctype_alnum($alnum); }
Output for 4.3.0 - 7.1.0