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<?php var_dump(json_decode('{"4":"Taaaaa"}')); $array = (array)(json_decode('{"4":"Taaaaa"}')); var_dump(array_keys($array)); $key = "4"; var_dump($key, $array, $array[(string)$key]);
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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(stdClass)#1 (1) { ["4"]=> string(6) "Taaaaa" } array(1) { [0]=> int(4) } string(1) "4" array(1) { [4]=> string(6) "Taaaaa" } string(6) "Taaaaa"
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
object(stdClass)#1 (1) { ["4"]=> string(6) "Taaaaa" } array(1) { [0]=> string(1) "4" } Notice: Undefined offset: 4 in /in/dig4W on line 12 string(1) "4" array(1) { ["4"]=> string(6) "Taaaaa" } NULL

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