函数原型
feed_content_type( string $type = ” )
函数描述
Returns the content type for specified feed type.
是否弃用
未弃用
函数参数
-
$type
string
Optional - Type of feed. Possible values include
'rss', rss2′,'atom', and'rdf'.Default:
''
函数返回值
无
函数位置
File: wp-includes/feed.php.
函数源码
function feed_content_type( $type = '' ) {
if ( empty( $type ) ) {
$type = get_default_feed();
}
$types = array(
'rss' => 'application/rss+xml',
'rss2' => 'application/rss+xml',
'rss-http' => 'text/xml',
'atom' => 'application/atom+xml',
'rdf' => 'application/rdf+xml',
);
$content_type = ( ! empty( $types[ $type ] ) ) ? $types[ $type ] : 'application/octet-stream';
/**
* Filters the content type for a specific feed type.
*
* @since 2.8.0
*
* @param string $content_type Content type indicating the type of data that a feed contains.
* @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
*/
return apply_filters( 'feed_content_type', $content_type, $type );
}
源码链接
变更日志
| Version | Description |
|---|---|
| 2.8.0 | Introduced. |

