我正在尝试搜索youtube并抓取视频视频ID和标题。
在下面的示例中，我正在搜索“youtube”：
<?php
$url="http://gdata.youtube.com/feeds/api/videos?q='youtube'&format=5&max-results=2&v=2&alt=jsonc";
$json = file_get_contents($url,0,null,null);
$json_output = json_decode($json);
echo '<pre>';
print_r("query results:");
print_r($json_output);
'</pre>';
foreach ( $json_output->data as $data ){
echo "{$data->id}";
echo "{$data->title}";
}
?>
以下是上述查询的json输出：
query results:stdClass Object
(
[apiVersion] => 2.1
[data] => stdClass Object
(
[updated] => 2012-03-04T20:19:06.314Z
[totalItems] => 1000000
[startIndex] => 1
[itemsPerPage] => 2
[items] => Array
(
[0] => stdClass Object
(
[id] => IpSYwvzKukI
[uploaded] => 2009-03-14T08:17:36.000Z
[updated] => 2012-02-29T10:51:35.000Z
[uploader] => kenbedict009
[category] => Music
[title] => one of the funniest kid in youtube!!
[description] => he is a 3 years old korean,this kid makes me laugh
[tags] => Array
(
[0] => rin on the rox
[1] => charice pempengco
[2] => joeydiamond
)
[thumbnail] => stdClass Object
(
[sqDefault] => http://i.ytimg.com/vi/IpSYwvzKukI/default.jpg
[hqDefault] => http://i.ytimg.com/vi/IpSYwvzKukI/hqdefault.jpg
)
[player] => stdClass Object
(
[default] => http://www.youtube.com/watch?v=IpSYwvzKukI&feature=youtube_gdata_player
[mobile] => http://m.youtube.com/details?v=IpSYwvzKukI
)
[content] => stdClass Object
(
[5] => http://www.youtube.com/v/IpSYwvzKukI?version=3&f=videos&app=youtube_gdata
[1] => rtsp://v1.cache6.c.youtube.com/CiILENy73wIaGQlCusr8wpiUIhMYDSANFEgGUgZ2aWRlb3MM/0/0/0/video.3gp
[6] => rtsp://v8.cache2.c.youtube.com/CiILENy73wIaGQlCusr8wpiUIhMYESARFEgGUgZ2aWRlb3MM/0/0/0/video.3gp
)
[duration] => 344
[rating] => 4.6304307
[likeCount] => 23419
[ratingCount] => 25803
[viewCount] => 9848083
[favoriteCount] => 15390
[commentCount] => 16074
[accessControl] => stdClass Object
(
[comment] => allowed
[commentVote] => allowed
[videoRespond] => moderated
[rate] => allowed
[embed] => allowed
[list] => allowed
[autoPlay] => allowed
[syndicate] => allowed
)
)
[1] => stdClass Object
(
[id] => PPNMGYOm1aM
[uploaded] => 2011-06-23T16:35:33.000Z
[updated] => 2012-02-29T13:15:47.000Z
[uploader] => shakeitupvevo
[category] => Music
[title] => "Watch Me" from Disney Channel's "Shake It Up"
[description] => To download Watch Me visit www.smarturl.it Performed by Bella Thorne and Zendaya
[tags] => Array
(
[0] => Bella
[1] => Thorne
[2] => Zendaya
[3] => Cast
[4] => of
[5] => Shake
[6] => It
[7] => Up:
[8] => Break
[9] => Down
[10] => Watch
[11] => Me
[12] => Walt
[13] => Disney
[14] => Soundtrack
)
[thumbnail] => stdClass Object
(
[sqDefault] => http://i.ytimg.com/vi/PPNMGYOm1aM/default.jpg
[hqDefault] => http://i.ytimg.com/vi/PPNMGYOm1aM/hqdefault.jpg
)
[player] => stdClass Object
(
[default] => http://www.youtube.com/watch?v=PPNMGYOm1aM&feature=youtube_gdata_player
)
[content] => stdClass Object
(
[5] => http://www.youtube.com/v/PPNMGYOm1aM?version=3&f=videos&app=youtube_gdata
)
[duration] => 193
[aspectRatio] => widescreen
[rating] => 4.7312055
[likeCount] => 145059
[ratingCount] => 155509
[viewCount] => 48201555
[favoriteCount] => 69981
[commentCount] => 81938
[status] => stdClass Object
(
[value] => restricted
[reason] => limitedSyndication
)
[restrictions] => Array
(
[0] => stdClass Object
(
[type] => country
[relationship] => deny
[countries] => DE
)
)
[accessControl] => stdClass Object
(
[comment] => allowed
[commentVote] => allowed
[videoRespond] => allowed
[rate] => allowed
[embed] => allowed
[list] => allowed
[autoPlay] => allowed
[syndicate] => allowed
)
)
)
)
)
我试图回声[id]和[title]。知道我做错了吗？
谢谢！
答案 0 :(得分：7)
将第9行更改为：
foreach ( $json_output->data->items as $data ){
答案 1 :(得分：4)
您应该首先items作为Objects Array：
$items = $json -> data -> items;
现在尝试foreach：
foreach ( $items as $item ){
echo "{$item->id}";
echo "{$item->title}";
}
我希望现在很清楚。