3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $o = (object) array('foo'); var_dump($o); echo $o->{0};
Output for 5.2.6 - 7.1.0
object(stdClass)#1 (1) { [0]=> string(3) "foo" } Notice: Undefined property: stdClass::$0 in /in/Y88LF on line 4
Output for 5.0.0 - 5.2.5
object(stdClass)#1 (1) { [0]=> string(3) "foo" } Notice: Undefined property: stdClass::$0 in /in/Y88LF on line 4
Output for 4.3.3 - 4.4.9
Fatal error: Property name must be a string in /in/Y88LF on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.2
object(stdClass)(1) { [0]=> string(3) "foo" }
Process exited with code 139.