3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { } echo sizeof(A);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant A - assumed 'A' in /in/9HDb5 on line 6 1
Output for hhvm-3.12.0
Notice: Use of undefined constant A - assumed 'A' in /in/9HDb5 on line -1 1