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<?php $obj = (object)array('123' => '456'); var_dump($obj); var_dump($obj->{'123'}); // Notice: Undefined property: stdClass::$123 var_dump($obj->{123}); // Notice: Undefined property:stdClass::$123 var_dump($obj["123"]);
Output for 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 (1) { ["123"]=> string(3) "456" } string(3) "456" string(3) "456" Fatal error: Uncaught Error: Cannot use object of type stdClass as array in /in/VprgU:6 Stack trace: #0 {main} thrown in /in/VprgU on line 6
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
object(stdClass)#1 (1) { [123]=> string(3) "456" } Notice: Undefined property: stdClass::$123 in /in/VprgU on line 4 NULL Notice: Undefined property: stdClass::$123 in /in/VprgU on line 5 NULL Fatal error: Uncaught Error: Cannot use object of type stdClass as array in /in/VprgU:6 Stack trace: #0 {main} thrown in /in/VprgU on line 6
Process exited with code 255.
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
object(stdClass)#1 (1) { [123]=> string(3) "456" } Notice: Undefined property: stdClass::$123 in /in/VprgU on line 4 NULL Notice: Undefined property: stdClass::$123 in /in/VprgU on line 5 NULL Fatal error: Cannot use object of type stdClass as array in /in/VprgU on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
object(stdClass)#1 (1) { [123]=> string(3) "456" } Notice: Undefined property: stdClass::$123 in /in/VprgU on line 4 NULL Notice: Undefined property: stdClass::$123 in /in/VprgU on line 5 NULL Fatal error: Cannot use object of type stdClass as array in /in/VprgU on line 6
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/VprgU on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.2
object(stdClass)(1) { [123]=> string(3) "456" } string(3) "456"
Process exited with code 139.

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