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<?php $obj = (object)array('123' => '456'); print_r($obj); echo $obj->{123},"\n"; if (!property_exists($obj,'123')) echo 'property 123 does not exist',"\n"; if (is_null($obj->{123})) echo 'property 123 is null',"\n";
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
stdClass Object ( [123] => 456 ) 456
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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
stdClass Object ( [123] => 456 ) Notice: Undefined property: stdClass::$123 in /in/1eJAF on line 4 property 123 does not exist Notice: Undefined property: stdClass::$123 in /in/1eJAF on line 6 property 123 is null
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
stdClass Object ( [123] => 456 ) Notice: Undefined property: stdClass::$123 in /in/1eJAF on line 4 property 123 does not exist Notice: Undefined property: stdClass::$123 in /in/1eJAF on line 6 property 123 is null
Output for 5.0.0 - 5.0.5
stdClass Object ( [123] => 456 ) Notice: Undefined property: stdClass::$123 in /in/1eJAF on line 4 Fatal error: Call to undefined function property_exists() in /in/1eJAF on line 5
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/1eJAF on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.2
stdClass Object ( [123] => 456 )
Process exited with code 139.

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