[英]PHP Json_decode Multidimensional Array
我正在嘗試在 PHP 中解碼一部分 json 代碼。 json 看起來像:
"title":"A Title Here",
"images":[
{
"coverType":"fanart",
"url":"some_random_file_here.jpg"
},
{
"coverType":"banner",
"url":"another_random_file_here.jpg"
},
{
"coverType":"poster",
"url":"yet_another_random_file_here.jpg"
}
],
我想獲取“coverType”下的網址:“banner”
我可以使用以下代碼輕松解析標題:
$itemNr = 0;
foreach($json as $item) {
$mytitle = $item['title'];
echo $mytitle;
$itemNr++;
我的代碼如何使用相同的概念。 請注意,我已經簡化了 JSON 的代碼。 上面我的代碼中未顯示的某些項目的實際 php 類似於:
$somevariable = $item['series']['tvdbId'];
任何意見是極大的贊賞。
謝謝,
H。
如果您可以訪問圖像鍵,則:
<?php
$json = <<<JSON
{
"title":"A Title Here",
"images":[
{
"coverType":"fanart",
"url":"some_random_file_here.jpg"
},
{
"coverType":"banner",
"url":"another_random_file_here.jpg"
},
{
"coverType":"poster",
"url":"yet_another_random_file_here.jpg"
}
]
}
JSON;
$json = json_decode($json);
print_r($json);
foreach ($json->images as $img)
{
if ( $img->coverType == "banner" )
{
echo 'Image Cover Type: ' .$img->coverType .'<br/>';
echo 'URL: ' .$img->url .'<br/>';
}
}
?>
給出:
圖片封面類型:橫幅
網址:another_random_file_here.jpg
更新:
您鏈接到的 JSON 文件似乎無效,每個系列后都缺少大括號。 這是更正后的 JSON 和代碼:
<?php
$json = <<<JSON
[
{
"series": {
"title": "Brooklyn Nine-Nine",
"images": [
{
"coverType": "fanart",
"url": "http://thetvdb.com/banners/fanart/original/269586-15.jpg"
},
{
"coverType": "banner",
"url": "http://thetvdb.com/banners/graphical/269586-g3.jpg"
},
{
"coverType": "poster",
"url": "http://thetvdb.com/banners/posters/269586-13.jpg"
}
],
"year": 2013
}
},
{
"series": {
"title": "The Middle",
"images": [
{
"coverType": "fanart",
"url": "http://thetvdb.com/banners/fanart/original/95021-16.jpg"
},
{
"coverType": "banner",
"url": "http://thetvdb.com/banners/graphical/95021-g14.jpg"
},
{
"coverType": "poster",
"url": "http://thetvdb.com/banners/posters/95021-8.jpg"
}
],
"year": 2009
}
},
{
"series": {
"title": "New Girl",
"images": [
{
"coverType": "fanart",
"url": "http://thetvdb.com/banners/fanart/original/248682-43.jpg"
},
{
"coverType": "banner",
"url": "http://thetvdb.com/banners/graphical/248682-g20.jpg"
},
{
"coverType": "poster",
"url": "http://thetvdb.com/banners/posters/248682-14.jpg"
}
],
"year": 2011
}
}
]
JSON;
$json = json_decode($json);
// echo '<pre>' .print_r($json, 1) .'</pre>';
foreach ($json as $item)
{
echo 'Title: ' .$item->series->title .'<br/>';
foreach ($item->series->images as $img)
{
if ( $img->coverType == "banner" )
{
echo 'Image Cover Type: ' .$img->coverType .'<br/>';
echo 'URL: ' .$img->url .'<br/>';
}
}
}
?>
給出:
標題:布魯克林九九圖片封面類型:橫幅網址: http : //thetvdb.com/banners/graphical/269586-g3.jpg
標題:中間圖像封面類型:橫幅網址: http : //thetvdb.com/banners/graphical/95021-g14.jpg
標題:新女孩圖片封面類型:橫幅網址: http : //thetvdb.com/banners/graphical/248682-g20.jpg
假設這是變量jsondecoded,$json[images][1]->coverType;
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