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<?php $Data = json_decode(json_encode([4=>4,5=>5,6=>6])); var_dump($Data); $Data = (array)$Data; var_dump(array_keys($Data)); //var_dump($Data,$Data[4],$Data['4']); var_dump($Data["4"]);
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 - 8.2.19, 8.3.0 - 8.3.7
object(stdClass)#1 (3) { ["4"]=> int(4) ["5"]=> int(5) ["6"]=> int(6) } array(3) { [0]=> int(4) [1]=> int(5) [2]=> int(6) } int(4)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
object(stdClass)#1 (3) { ["4"]=> int(4) ["5"]=> int(5) ["6"]=> int(6) } array(3) { [0]=> string(1) "4" [1]=> string(1) "5" [2]=> string(1) "6" } Notice: Undefined offset: 4 in /in/G2XlO on line 9 NULL

preferences:
208.44 ms | 403 KiB | 269 Q