在一行中打印 JSON 数据的问题
我有JSON数据，我需要在一行中打印类别，但类别具有多个值。
我尝试导出标签，但我坚持在一行中打印值。
打印文本中的示例：类别 1、类别2、类别 3、类别4"categories"
我尝试风箱，但不起作用：
foreach ($jf['data']['feed'] as $item1) {
$item = $item1['article'];
foreach($item['categories'] as $categories1) {
echo $categories123;
}
JSON 文件
{
"status": "success",
"data": {
"feed": [
{
"article": {
"id": "165354",
"title": "Title1",
"image_url": "example.com/image1.png",
"native_app_url": "example.com/article1",
"article_url": "example.com/article1",
"article_type": "Article",
"created_at": "2020-01-15T16:55:01Z",
"featured_time": "2020-02-19T17:19:33Z",
"author_name": "2",
"matches": [
],
"categories": [
"Categories1",
"Categories2",
"Categories3",
"Categories4"
],
"tags": [
"Tags1",
"Tags2",
"Tags3"
],
"embed_code": "<embed>12453</embed>",
"synd_code": "<embed>121245</embed>"
}
},
{
"article": {
"id": "112354",
"title": "Title2",
"image_url": "example.com/image2.png",
"native_app_url": "example.com/article2",
"article_url": "example.com/article2",
"article_type": "Article",
"created_at": "2020-01-11T16:55:01Z",
"featured_time": "2020-01-19T17:19:33Z",
"author_name": "1",
"matches": [
],
"categories": [
"Categories1",
"Categories2",
"Categories3",
"Categories4"
],
"tags": [
"Tags1",
"Tags2",
"Tags3"
],
"embed_code": "<embed>123</embed>",
"synd_code": "<embed>12345</embed>"
}
},
{
"article": {
...
}
}
],
"next_page": 2
},
"message": ""
}
开心每一天11111回答
-
胡说叔叔
用于在数组元素之间插入分隔符。implode$categories = implode(", ", $item['categories']);如果只想要一个有限的数量，请在内爆之前对数组进行切片。$category_limit = 4; // only show first 4 categories$categories = implode(", ", array_slice($item['categories'], 0, $category_limit));
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