3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php header('Content-type:text/html; charset=utf-8'); $heart = mb_convert_encoding('&#9829;', 'UTF-8', 'HTML-ENTITIES');
Output for 4.3.0 - 4.3.3, 4.3.5 - 7.1.0
Output for 4.3.4

Process exited with code 139.