3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array("first" => "Ana", "second" => "Jane"); echo "I met {$a[first]} today!";
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant first - assumed 'first' in /in/B3S8p on line 4 I met Ana today!