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<?php $obj = new StdClass; $obj->{1} = 123; $ary = (array)$obj; var_dump($obj->{1}, $ary[1], $ary);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
int(123) int(123) array(1) { [1]=> int(123) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Undefined offset: 1 in /in/9eoU0 on line 5 int(123) NULL array(1) { ["1"]=> int(123) }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined offset: 1 in /in/9eoU0 on line 5 int(123) NULL array(1) { ["1"]=> int(123) }
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Property name must be a string in /in/9eoU0 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.2

Process exited with code 139.

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