3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = "ciao"; if($s == ciao) { echo "uguali"; } else { echo "diversi"; }
Output for 4.3.0 - 7.1.0
Notice: Use of undefined constant ciao - assumed 'ciao' in /in/uLn8c on line 3 uguali