3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $langs = " ".$_SERVER['HTTP_ACCEPT_LANGUAGE']; echo $langs; ?>
Output for 5.3.0 - 7.1.0
Notice: Undefined index: HTTP_ACCEPT_LANGUAGE in /in/ChV3H on line 2
Output for 4.3.0 - 5.2.17
Notice: Undefined index: HTTP_ACCEPT_LANGUAGE in /in/ChV3H on line 2