3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo is_object($a->b);
Output for 7.2.0
Notice: Undefined variable: a in /in/2JFGp on line 3 Notice: Trying to get property 'b' of non-object in /in/2JFGp on line 3
Output for 5.0.4 - 7.1.10
Notice: Undefined variable: a in /in/2JFGp on line 3 Notice: Trying to get property of non-object in /in/2JFGp on line 3
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/2JFGp on line 3 Notice: Trying to get property of non-object in /in/2JFGp on line 3
Output for 4.3.0 - 4.4.9
Notice: Undefined variable: a in /in/2JFGp on line 3