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run code in 300+ PHP versions simultaneously
<?php $o = (object) array('foo'); var_dump($o); echo $o->{0};
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(stdClass)#1 (1) { ["0"]=> string(3) "foo" } foo
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
object(stdClass)#1 (1) { [0]=> string(3) "foo" } Notice: Undefined property: stdClass::$0 in /in/Y88LF on line 4
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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 - 4.3.11, 4.4.0 - 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.

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