3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj = new stdClass; $obj->{"123"} = "foo"; $arr = (array) $obj; echo $arr["123"]; echo $arr[123];
based on OJFhu
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 123 in /in/Fd1Lf on line 5 Notice: Undefined offset: 123 in /in/Fd1Lf on line 6
Output for hhvm-3.12.0
Notice: Undefined index: 123 in /in/Fd1Lf on line 5 Notice: Undefined index: 123 in /in/Fd1Lf on line 6
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.3.29
Notice: Undefined index: 123 in /in/Fd1Lf on line 5 Notice: Undefined offset: 123 in /in/Fd1Lf on line 6
Output for 5.0.0 - 5.2.17
Notice: Undefined index: 123 in /in/Fd1Lf on line 5 Notice: Undefined offset: 123 in /in/Fd1Lf on line 6
Output for 4.3.0 - 4.4.9
foofoo