array 배열 문의드립니다.

"parcelInfoList": [
  {
    "amount": 0.1,
    "name": "iPhone",
    "originCountry": "SG",
    "quantity": 1,
    "unit": "EA",
    "productDetails": [{ "brand": "Apple" },{ "specifications": "128GB" },{ "mode": "Pro" },{ "Manufacturer Identification Code": "A1234" }
    ]
  }
]

or

$productDetails = "brand:Apple;specifications:128GB;mode:Pro;Manufacturer Identification Code:A1234";

$items = explode(";", $productDetails);
$result = [];

foreach ($items as $item) {
    list($key, $value) = explode(":", $item, 2);
    $result[] = [trim($key) => trim($value)];
}

echo json_encode($result, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);