我正在從數(shù)據(jù)庫檢索數(shù)據(jù)并將其推送到數(shù)組，然后使用 json_encode() 以 json 格式輸出。我最終得到了這種格式的數(shù)據(jù)。[ { "category_id": "1", "category_name": "Construction Materials" }, { "items": [ { "id": "1", "item_name": "Wire Mesh", "price": "459", "image_url": null }, { "id": "2", "item_name": "Cement", "price": "700", "image_url": null }, { "id": "3", "item_name": "Barbed Wire", "price": "3000", "image_url": null }, { "id": "4", "item_name": "Iron sheet", "price": "200", "image_url": null } ] }, { "category_id": "2", "category_name": "Plumbing" },這是我想要實現(xiàn)的目標：[ { "category_id": "1", "category_name": "Construction Materials" "items": [ { "id": "1", "item_name": "Wire Mesh", "price": "459", "image_url": null }, { "id": "2", "item_name": "Cement", "price": "40", "image_url": null }, { "id": "3", "item_name": "Barbed Wire", "price": "3000", "image_url": null }, { "id": "4", "item_name": "Iron sheet", "price": "200", "image_url": null } ] }, { "category_id": "2", "category_name": "Plumbing" },我怎樣才能在 php.ini 中實現(xiàn)這一點？是否可以編輯主數(shù)組的內(nèi)容？如何在“category_name”之后添加“項目”問候..
2 回答
幕布斯7119047
TA貢獻1794條經(jīng)驗 獲得超8個贊
$array = json_decode($yourJson);
$arrayLength = count($array);
$finalArray = [];
for ($i=0; $i < $arrayLength; $i+=2) {
? ? $finalArray[] = $array[$i] + $array[$i + 1];
}
$backToJson = json_encode($finalArray);
慕萊塢森
TA貢獻1810條經(jīng)驗 獲得超4個贊
function get_first_property($object) {
$properties = array_keys(get_object_vars($object));
return reset($properties);
}
function object_merge($object1, $object2) {
return (object) array_merge((array) $object1, (array) $object2);
}
// loop through each of the array objects
$previous_first_property = null;
foreach ($array as $i => $object) {
$first_property = get_first_property($object);
// merge if the 1st property is "items", and the previous 1st was "category_id"
if ($first_property == "items" && $previous_first_property == "category_id") {
$array[$i - 1] = object_merge($array[$i - 1], $array[$i]);
unset($array[$i]);
}
$previous_first_property = $first_property;
}
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