3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $locale = ''; list($language) = explode('_', strtolower(str_replace('-', '_', $locale))); echo $language;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0