3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php setlocale(LC_ALL, array('fi_FI.UTF-8','fi_FI@euro','fi_FI','finnish')); print strtoupper('öäå');
based on 4eQjO
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
öäå