3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "Weiß, Goldmann, Göbel, Weiss, Göthe, Goethe und Götz"; var_dump(mb_convert_encoding($str, "ASCII", "UTF-8"));
based on F3V4F
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(52) "Wei?, Goldmann, G?bel, Weiss, G?the, Goethe und G?tz"