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<?php $json1 = '[{"one": "u0001u0000u0000u0000", "two": "u0002u0000u0000u0000", "three": "u0003u0000u0000u0000"}]'; $json2 = '[{ "a": { "one": "u0001u0000u0000u0000", "two": "u0002u0000u0000u0000", "three": "u0003u0000u0000u0000" } }]'; $arr1 = json_decode($json1,true); $arr2 = json_decode($json2,true); foreach($arr1 as $data){ $default1[] = implode($data); } $default1 = json_encode($default1, JSON_FORCE_OBJECT); foreach($arr2 as $key => $child){ foreach($child as $childKey => $data){ $default2[$childKey] = implode($data); } } $default2 = json_encode($default2, JSON_FORCE_OBJECT); print_r($default1); print_r($default2);
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
{"0":"u0001u0000u0000u0000u0002u0000u0000u0000u0003u0000u0000u0000"}{"a":"u0001u0000u0000u0000u0002u0000u0000u0000u0003u0000u0000u0000"}

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