* @return string Default feed, or for example 'rss2', 'atom', etc.
*/
function get_default_feed() {
- return apply_filters('default_feed', 'rss2');
+ $default_feed = apply_filters('default_feed', 'rss2');
+ return 'rss' == $default_feed ? 'rss2' : $default_feed;
}
/**
}
/**
- * Display the post content for the feed.
- *
- * For encoding the html or the $encode_html parameter, there are three possible
- * values. '0' will make urls footnotes and use make_url_footnote(). '1' will
- * encode special characters and automatically display all of the content. The
- * value of '2' will strip all HTML tags from the content.
- *
- * Also note that you cannot set the amount of words and not set the html
- * encoding. If that is the case, then the html encoding will default to 2,
- * which will strip all HTML tags.
- *
- * To restrict the amount of words of the content, you can use the cut
- * parameter. If the content is less than the amount, then there won't be any
- * dots added to the end. If there is content left over, then dots will be added
- * and the rest of the content will be removed.
+ * Retrieve the post content for feeds.
*
* @package WordPress
* @subpackage Feed
- * @since 0.71
- * @uses apply_filters() Calls 'the_content_rss' on the content before processing.
- * @see get_the_content() For the $more_link_text, $stripteaser, and $more_file
- * parameters.
- *
- * @param string $more_link_text Optional. Text to display when more content is available but not displayed.
- * @param int|bool $stripteaser Optional. Default is 0.
- * @param string $more_file Optional.
- * @param int $cut Optional. Amount of words to keep for the content.
- * @param int $encode_html Optional. How to encode the content.
+ * @since 2.9.0
+ * @uses apply_filters() Calls 'the_content_feed' on the content before processing.
+ * @see get_the_content()
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ * @return string The filtered content.
*/
-function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
- $content = get_the_content($more_link_text, $stripteaser, $more_file);
- $content = apply_filters('the_content_rss', $content);
- if ( $cut && !$encode_html )
- $encode_html = 2;
- if ( 1== $encode_html ) {
- $content = wp_specialchars($content);
- $cut = 0;
- } elseif ( 0 == $encode_html ) {
- $content = make_url_footnote($content);
- } elseif ( 2 == $encode_html ) {
- $content = strip_tags($content);
- }
- if ( $cut ) {
- $blah = explode(' ', $content);
- if ( count($blah) > $cut ) {
- $k = $cut;
- $use_dotdotdot = 1;
- } else {
- $k = count($blah);
- $use_dotdotdot = 0;
- }
+function get_the_content_feed($feed_type = null) {
+ if ( !$feed_type )
+ $feed_type = get_default_feed();
- /** @todo Check performance, might be faster to use array slice instead. */
- for ( $i=0; $i<$k; $i++ )
- $excerpt .= $blah[$i].' ';
- $excerpt .= ($use_dotdotdot) ? '...' : '';
- $content = $excerpt;
- }
+ $content = apply_filters('the_content', get_the_content());
$content = str_replace(']]>', ']]>', $content);
- echo $content;
+ return apply_filters('the_content_feed', $content, $feed_type);
+}
+
+/**
+ * Display the post content for feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.9.0
+ * @uses apply_filters() Calls 'the_content_feed' on the content before processing.
+ * @see get_the_content()
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ */
+function the_content_feed($feed_type = null) {
+ echo get_the_content_feed($feed_type);
}
/**
* @uses apply_filters() Call 'the_permalink_rss' on the post permalink
*/
function the_permalink_rss() {
- echo apply_filters('the_permalink_rss', get_permalink());
+ echo esc_url( apply_filters('the_permalink_rss', get_permalink() ));
+}
+
+/**
+ * Outputs the link to the comments for the current post in an xml safe way
+ *
+ * @since 3.0.0
+ * @return none
+ */
+function comments_link_feed() {
+ echo esc_url( get_comments_link() );
}
/**
*
* @package WordPress
* @subpackage Feed
- * @since unknown
+ * @since 2.5.0
*
* @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
*/
function comment_guid($comment_id = null) {
- echo get_comment_guid($comment_id);
+ echo esc_url( get_comment_guid($comment_id) );
}
/**
*
* @package WordPress
* @subpackage Feed
- * @since unknown
+ * @since 2.5.0
*
* @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
* @return bool|string false on failure or guid for comment on success.
* @since 1.5.0
*/
function comment_link() {
- echo clean_url( get_comment_link() );
+ echo esc_url( get_comment_link() );
}
/**
* @since 2.1.0
* @uses apply_filters()
*
- * @param string $type Optional, default is 'rss'. Either 'rss', 'atom', or 'rdf'.
+ * @param string $type Optional, default is the type returned by get_default_feed().
* @return string All of the post categories for displaying in the feed.
*/
-function get_the_category_rss($type = 'rss') {
+function get_the_category_rss($type = null) {
+ if ( empty($type) )
+ $type = get_default_feed();
$categories = get_the_category();
$tags = get_the_tags();
$the_list = '';
foreach ( $cat_names as $cat_name ) {
if ( 'rdf' == $type )
- $the_list .= "\n\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n";
+ $the_list .= "\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n";
elseif ( 'atom' == $type )
- $the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', attribute_escape( apply_filters( 'get_bloginfo_rss', get_bloginfo( 'url' ) ) ), attribute_escape( $cat_name ) );
+ $the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', esc_attr( apply_filters( 'get_bloginfo_rss', get_bloginfo( 'url' ) ) ), esc_attr( $cat_name ) );
else
- $the_list .= "\n\t\t<category><![CDATA[" . html_entity_decode( $cat_name ) . "]]></category>\n";
+ $the_list .= "\t\t<category><![CDATA[" . @html_entity_decode( $cat_name, ENT_COMPAT, get_option('blog_charset') ) . "]]></category>\n";
}
return apply_filters('the_category_rss', $the_list, $type);
* @since 0.71
* @see get_the_category_rss() For better explanation.
*
- * @param string $type Optional, default is 'rss'. Either 'rss', 'atom', or 'rdf'.
+ * @param string $type Optional, default is the type returned by get_default_feed().
*/
-function the_category_rss($type = 'rss') {
+function the_category_rss($type = null) {
echo get_the_category_rss($type);
}
foreach ( (array) get_post_custom() as $key => $val) {
if ($key == 'enclosure') {
foreach ( (array) $val as $enc ) {
- $enclosure = split("\n", $enc);
+ $enclosure = explode("\n", $enc);
//only get the the first element eg, audio/mpeg from 'audio/mpeg mpga mp2 mp3'
- $t = split('[ \t]', trim($enclosure[2]) );
+ $t = preg_split('/[ \t]/', trim($enclosure[2]) );
$type = $t[0];
echo apply_filters('rss_enclosure', '<enclosure url="' . trim(htmlspecialchars($enclosure[0])) . '" length="' . trim($enclosure[1]) . '" type="' . $type . '" />' . "\n");
foreach ( (array) get_post_custom() as $key => $val ) {
if ($key == 'enclosure') {
foreach ( (array) $val as $enc ) {
- $enclosure = split("\n", $enc);
+ $enclosure = explode("\n", $enc);
echo apply_filters('atom_enclosure', '<link href="' . trim(htmlspecialchars($enclosure[0])) . '" rel="enclosure" length="' . trim($enclosure[1]) . '" type="' . trim($enclosure[2]) . '" />' . "\n");
}
}
* @since 2.5
*/
function self_link() {
- $host = @parse_url(get_option('home'));
- $host = $host['host'];
- echo clean_url(
- 'http'
- . ( (isset($_SERVER['https']) && $_SERVER['https'] == 'on') ? 's' : '' ) . '://'
- . $host
- . stripslashes($_SERVER['REQUEST_URI'])
- );
+ $host = @parse_url(home_url());
+ echo esc_url( set_url_scheme( 'http://' . $host['host'] . stripslashes($_SERVER['REQUEST_URI']) ) );
}
-?>
+/**
+ * Return the content type for specified feed type.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.8.0
+ */
+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';
+
+ return apply_filters( 'feed_content_type', $content_type, $type );
+}
+
+/**
+ * Build SimplePie object based on RSS or Atom feed from URL.
+ *
+ * @since 2.8
+ *
+ * @param string $url URL to retrieve feed
+ * @return WP_Error|SimplePie WP_Error object on failure or SimplePie object on success
+ */
+function fetch_feed($url) {
+ require_once (ABSPATH . WPINC . '/class-feed.php');
+
+ $feed = new SimplePie();
+
+ $feed->set_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
+ // We must manually overwrite $feed->sanitize because SimplePie's
+ // constructor sets it before we have a chance to set the sanitization class
+ $feed->sanitize = new WP_SimplePie_Sanitize_KSES();
+
+ $feed->set_cache_class( 'WP_Feed_Cache' );
+ $feed->set_file_class( 'WP_SimplePie_File' );
+
+ $feed->set_feed_url($url);
+ $feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
+ do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
+ $feed->init();
+ $feed->handle_content_type();
+
+ if ( $feed->error() )
+ return new WP_Error('simplepie-error', $feed->error());
+
+ return $feed;
+}