3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $obj = new stdClass(); $obj->{123} = "foo"; $obj->{'456'} = "bar"; $arr = (array)$obj; var_dump($arr); var_dump($arr["123\0"], $arr["456\0"]);
based on 6uFqf
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(2) { ["123"]=> string(3) "foo" ["456"]=> string(3) "bar" } Notice: Undefined index: 123 in /in/d4bFX on line 10 Notice: Undefined index: 456 in /in/d4bFX on line 10 NULL NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.17
array(2) { ["123"]=> string(3) "foo" ["456"]=> string(3) "bar" } Notice: Undefined index: 123 in /in/d4bFX on line 10 Notice: Undefined index: 456 in /in/d4bFX on line 10 NULL NULL
Output for 4.3.3 - 4.4.9
Fatal error: Property name must be a string in /in/d4bFX on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.2

Process exited with code 139.