3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class X {} $a = (object) [ 'name' => 'X' ]; var_dump(new $a->{name}());
based on enB8h
Output for 7.2.0 - 7.3.1
Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /in/Cue1Z on line 9 object(X)#2 (0) { }
Output for 7.1.25
Notice: Use of undefined constant name - assumed 'name' in /in/Cue1Z on line 9 object(X)#2 (0) { }