/**
* Builds a valid \<link /\> HTML tag to a feed (rss or atom).
* Returns a link tag that browsers and news readers can use to auto-detect an
* RSS or ATOM feed. The type can either be @e rss (default) or @e atom. You
* can modify the LINK tag itself in @e $tag_options.
*
* @param string $model_or_url
* (optional) The source of the feed. Can be a custom URL, @e posts or @e
* comments. In the latter case, the source will be returned by
* AssetTagHelper::get_feed_url()
* Defaults to @e posts.
* @param string $type
* (optional) The type of the feed. Could be @e rss or @e atom.
* Defaults to @e rss.
* @param array $tag_options
* (optional) An array of HTML attributes to be added to the rendered tag.
* @return @e string
* A valid \<link /\> HTML tag to a feed (rss or atom).
*
* @see AssetTagHelper::get_feed_url()
* @see TagHelper::content_tag()
*
* @ingroup helperfunc
*
*/
public function auto_discovery_link_tag($model_or_url = "posts", $type = "rss", $additional_options = NULL)
{
$options = array("rel" => "alternate", "title" => strtoupper($type));
switch ($type) {
case "atom":
$options['type'] = "application/atom+xml";
break;
case "rss":
default:
$type = "rss";
$options['type'] = "application/rss+xml";
break;
}
switch ($model_or_url) {
case "posts":
case "comments":
$options['href'] = get_feed_url($model_or_url, $type);
break;
default:
$options['href'] = $model_or_url;
}
if (is_array($additional_options)) {
$options = array_merge($options, $additional_options);
}
return content_tag("link", NULL, $options);
}
function test_get_feed_url()
{
$this->assertEqual("mocked_rdf_url", get_feed_url("posts", "rdf"));
$this->assertEqual("mocked_rss_url", get_feed_url("posts", "rss1"));
$this->assertEqual("mocked_rss_url", get_feed_url("posts", "rss092"));
$this->assertEqual("mocked_atom_url", get_feed_url("posts", "atom"));
$this->assertEqual("mocked_rss2_url", get_feed_url("posts", "rss"));
$this->assertEqual("mocked_rss2_url", get_feed_url("posts", "rss2"));
$this->assertEqual("mocked_rss2_url", get_feed_url("posts", "whatever"));
$this->assertEqual("mocked_comments_rss2_url", get_feed_url("comments", "rss2"));
$this->assertEqual("mocked_comments_rss2_url", get_feed_url("comments", "whatever"));
}
/**
* Return XML for full feed.
*
* @param array $feed_items Array of objects. Required attributes: ID (=post id), blog_id
* @return string
*/
function get_feed_xml($feed_items)
{
global $post;
$rss_language = Settings\get_site_option('language_slug');
if (empty($rss_language) && defined('WPLANG')) {
$rss_language = substr(WPLANG, 0, 2);
}
ob_start();
echo '<?xml version="1.0" encoding="' . get_option('blog_charset') . '"?' . '>';
?>
<rss version="2.0"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
xmlns:wfw="http://wellformedweb.org/CommentAPI/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
<?php
do_action('rss2_ns');
?>
>
<channel>
<title><?php
echo get_feed_title();
?>
</title>
<atom:link href="<?php
echo get_feed_url();
?>
" rel="self" type="application/rss+xml" />
<link><?php
echo get_feed_url();
?>
</link>
<description><?php
echo get_feed_description();
?>
</description>
<lastBuildDate><?php
echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), FALSE);
?>
</lastBuildDate>
<language><?php
echo $rss_language;
?>
</language>
<sy:updatePeriod><?php
echo apply_filters('rss_update_period', 'hourly');
?>
</sy:updatePeriod>
<sy:updateFrequency><?php
echo apply_filters('rss_update_frequency', '1');
?>
</sy:updateFrequency>
<?php
do_action('rss2_head');
foreach ($feed_items as $feed_item) {
switch_to_blog($feed_item->blog_id);
$post = get_post($feed_item->ID);
setup_postdata($post);
?>
<item>
<title><?php
the_title_rss();
?>
</title>
<link><?php
the_permalink_rss();
?>
</link>
<comments><?php
comments_link_feed();
?>
</comments>
<pubDate><?php
echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', TRUE), FALSE);
?>
</pubDate>
<dc:creator><?php
the_author();
?>
</dc:creator>
<?php
the_category_rss('rss2');
?>
<guid isPermaLink="false"><?php
the_guid();
?>
</guid>
<?php
if (get_option('rss_use_excerpt')) {
?>
<description><![CDATA[<?php
the_excerpt_rss();
?>
]]></description>
<?php
} else {
?>
<description><![CDATA[<?php
the_excerpt_rss();
?>
]]></description>
<?php
$content = \Inpsyde\MultisiteFeed\get_the_content_feed('rss2');
?>
<?php
if (strlen($content) > 0) {
?>
<content:encoded><![CDATA[<?php
echo $content;
?>
]]></content:encoded>
<?php
} else {
?>
<content:encoded><![CDATA[<?php
the_excerpt_rss();
?>
]]></content:encoded>
<?php
}
?>
<?php
}
?>
<wfw:commentRss><?php
echo esc_url(get_post_comments_feed_link(NULL, 'rss2'));
?>
</wfw:commentRss>
<slash:comments><?php
echo get_comments_number();
?>
</slash:comments>
<?php
rss_enclosure();
do_action('rss2_item');
?>
</item>
<?php
restore_current_blog();
}
?>
</channel>
</rss>
<?php
$xml = ob_get_contents();
ob_end_clean();
return $xml;
}
