3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('a', 'b'); $b = (object)$a; var_dump($b, $b->{0});
Output for 7.2.0 - 7.2.6
object(stdClass)#1 (2) { ["0"]=> string(1) "a" ["1"]=> string(1) "b" } string(1) "a"
Output for 5.2.6 - 7.1.20
Notice: Undefined property: stdClass::$0 in /in/Zd9Rt on line 5 object(stdClass)#1 (2) { [0]=> string(1) "a" [1]=> string(1) "b" } NULL
Output for 5.0.0 - 5.2.5
Notice: Undefined property: stdClass::$0 in /in/Zd9Rt on line 5 object(stdClass)#1 (2) { [0]=> string(1) "a" [1]=> string(1) "b" } NULL
Output for 4.3.3 - 4.4.9
Fatal error: Property name must be a string in /in/Zd9Rt on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.2

Process exited with code 139.