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<?php $array = (array) json_decode('{"a":"1","2":"1","3":"1","4":"1","12":"1"}'); #var_dump($array); #var_dump(array_key_exists('a', $array)); #var_dump(array_key_exists(12, $array)); #var_dump($array[12]); #var_dump($array['12']); #var_dump($array[12]); #$var = (array)json_decode('{"a":"1","2":"1","3":"1","4":"1","12":"1"}'); #var_dump($var['2']); #var_export($var); $var = array('a'=>1, '2'=>2); var_export($var); $var = (object) $var; var_export($var); $var = (array) $var; var_export($var[2]);
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array ( 'a' => 1, 2 => 2, )(object) array( 'a' => 1, '2' => 2, )2
Output for 7.2.0 - 7.2.33
array ( 'a' => 1, 2 => 2, )stdClass::__set_state(array( 'a' => 1, '2' => 2, ))2
Output for 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
array ( 'a' => 1, 2 => 2, )stdClass::__set_state(array( 'a' => 1, 2 => 2, ))2

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