3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = Array ( ); $test[one] = 1; print_r ($test);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant one - assumed 'one' in /in/1Ufj3 on line 7 Array ( [one] => 1 )
Output for hhvm-3.10.0

Process exited with code 153.