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<?php $ary[1] = 123; $obj = (object)$ary; var_dump($obj, $obj->{1});
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
object(stdClass)#1 (1) { ["1"]=> int(123) } int(123)
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Undefined property: stdClass::$1 in /in/vFuWT on line 4 object(stdClass)#1 (1) { [1]=> int(123) } NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
Notice: Undefined property: stdClass::$1 in /in/vFuWT on line 4 object(stdClass)#1 (1) { [1]=> int(123) } NULL
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Property name must be a string in /in/vFuWT on line 4
Process exited with code 255.
Output for 4.3.1 - 4.3.2

Process exited with code 139.

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