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<?php $var = new stdClass(); $var->{1} = 1; $var->{2} = 2; var_dump($var); $test = json_decode(json_encode($var), true); var_dump($test); var_dump(array_key_exists(2, $test));
Output for 5.2.0 - 5.2.17, 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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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 (2) { ["1"]=> int(1) ["2"]=> int(2) } array(2) { [1]=> int(1) [2]=> int(2) } bool(true)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
object(stdClass)#1 (2) { ["1"]=> int(1) ["2"]=> int(2) } Fatal error: Call to undefined function json_decode() in /in/4mXX2 on line 7
Process exited with code 255.
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Property name must be a string in /in/4mXX2 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.2

Process exited with code 139.

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