3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function doIHaveAFuture($reply = null) { if(isset($reply)) { echo 'yes, you do!'; } else { echo 'nope, sorry. :<'; } } doIHaveAFuture();
Output for 4.3.0 - 7.2.0
nope, sorry. :<