3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function t($t) { switch ($t) { case 'a': return 'a'; case 'b': return 'b'; case 'c': return 'x'; default: return 'xx'; } return null; } t('a');
Output for 4.3.0 - 7.1.0