3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'a'; echo dechex(ord($string)) . "\n"; var_export(preg_match('/[\x80-\xFF]/', $string));
based on iYk6A
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
61 0
Output for hhvm-3.10.0

Process exited with code 153.