*
* @package WordPress
* @subpackage Feed
+ * @since 2.1.0
*/
/**
function get_bloginfo_rss($show = '') {
$info = strip_tags(get_bloginfo($show));
/**
- * Filter the bloginfo for use in RSS feeds.
+ * Filters the bloginfo for use in RSS feeds.
*
* @since 2.2.0
*
*/
function bloginfo_rss($show = '') {
/**
- * Filter the bloginfo for display in RSS feeds.
+ * Filters the bloginfo for display in RSS feeds.
*
* @since 2.1.0
*
* Retrieve the default feed.
*
* The default feed is 'rss2', unless a plugin changes it through the
- * 'default_feed' filter.
+ * {@see 'default_feed'} filter.
*
* @since 2.5.0
*
*/
function get_default_feed() {
/**
- * Filter the default feed type.
+ * Filters the default feed type.
*
* @since 2.5.0
*
* Retrieve the blog title for the feed title.
*
* @since 2.2.0
+ * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
*
- * @param string $sep Optional. How to separate the title. See wp_title() for more info.
- * @return string Error message on failure or blog title on success.
+ * @param string $deprecated Unused..
+ * @return string The document title.
*/
-function get_wp_title_rss( $sep = '»' ) {
- $title = wp_title( $sep, false );
-
- if ( is_wp_error( $title ) ) {
- return $title->get_error_message();
- }
-
- if ( $title && $sep && ' ' !== substr( $title, 0, 1 ) ) {
- $title = " $sep " . $title;
+function get_wp_title_rss( $deprecated = '–' ) {
+ if ( '–' !== $deprecated ) {
+ /* translators: %s: 'document_title_separator' filter name */
+ _deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
}
/**
- * Filter the blog title for use as the feed title.
+ * Filters the blog title for use as the feed title.
*
* @since 2.2.0
+ * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
*
- * @param string $title The current blog title.
- * @param string $sep Separator used by wp_title().
+ * @param string $title The current blog title.
+ * @param string $deprecated Unused.
*/
- $title = apply_filters( 'get_wp_title_rss', $title, $sep );
- return $title;
+ return apply_filters( 'get_wp_title_rss', wp_get_document_title(), $deprecated );
}
/**
* Display the blog title for display of the feed title.
*
* @since 2.2.0
- * @see wp_title() $sep parameter usage.
+ * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
*
- * @param string $sep Optional.
+ * @param string $deprecated Unused.
*/
-function wp_title_rss( $sep = '»' ) {
+function wp_title_rss( $deprecated = '–' ) {
+ if ( '–' !== $deprecated ) {
+ /* translators: %s: 'document_title_separator' filter name */
+ _deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
+ }
+
/**
- * Filter the blog title for display of the feed title.
+ * Filters the blog title for display of the feed title.
*
* @since 2.2.0
+ * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
*
* @see get_wp_title_rss()
*
- * @param string $wp_title The current blog title.
- * @param string $sep Separator used by wp_title().
+ * @param string $wp_title_rss The current blog title.
+ * @param string $deprecated Unused.
*/
- echo apply_filters( 'wp_title_rss', get_wp_title_rss( $sep ), $sep );
+ echo apply_filters( 'wp_title_rss', get_wp_title_rss(), $deprecated );
}
/**
*/
function get_the_title_rss() {
$title = get_the_title();
+
/**
- * Filter the post title for use in a feed.
+ * Filters the post title for use in a feed.
*
* @since 1.2.0
*
$content = apply_filters( 'the_content', get_the_content() );
$content = str_replace(']]>', ']]>', $content);
/**
- * Filter the post content for use in feeds.
+ * Filters the post content for use in feeds.
*
* @since 2.9.0
*
function the_excerpt_rss() {
$output = get_the_excerpt();
/**
- * Filter the post excerpt for a feed.
+ * Filters the post excerpt for a feed.
*
* @since 1.2.0
*
*/
function the_permalink_rss() {
/**
- * Filter the permalink to the post for use in feeds.
+ * Filters the permalink to the post for use in feeds.
*
* @since 2.3.0
*
*/
function comments_link_feed() {
/**
- * Filter the comments permalink for the current post.
+ * Filters the comments permalink for the current post.
*
* @since 3.6.0
*
*
* @since 2.5.0
*
- * @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
+ * @param int|WP_Comment $comment_id Optional comment object or id. Defaults to global comment object.
*/
function comment_guid($comment_id = null) {
echo esc_url( get_comment_guid($comment_id) );
*
* @since 2.5.0
*
- * @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
+ * @param int|WP_Comment $comment_id Optional comment object or id. Defaults to global comment object.
* @return false|string false on failure or guid for comment on success.
*/
function get_comment_guid($comment_id = null) {
* Display the link to the comments.
*
* @since 1.5.0
+ * @since 4.4.0 Introduced the `$comment` argument.
+ *
+ * @param int|WP_Comment $comment Optional. Comment object or id. Defaults to global comment object.
*/
-function comment_link() {
+function comment_link( $comment = null ) {
/**
- * Filter the current comment's permalink.
+ * Filters the current comment's permalink.
*
* @since 3.6.0
*
*
* @param string $comment_permalink The current comment permalink.
*/
- echo esc_url( apply_filters( 'comment_link', get_comment_link() ) );
+ echo esc_url( apply_filters( 'comment_link', get_comment_link( $comment ) ) );
}
/**
*/
function get_comment_author_rss() {
/**
- * Filter the current comment author for use in a feed.
+ * Filters the current comment author for use in a feed.
*
* @since 1.5.0
*
function comment_text_rss() {
$comment_text = get_comment_text();
/**
- * Filter the current comment content for use in a feed.
+ * Filters the current comment content for use in a feed.
*
* @since 1.5.0
*
}
/**
- * Filter all of the post categories for display in a feed.
+ * Filters all of the post categories for display in a feed.
*
* @since 1.2.0
*
$type = $t[0];
/**
- * Filter the RSS enclosure HTML link tag for the current post.
+ * Filters the RSS enclosure HTML link tag for the current post.
*
* @since 2.2.0
*
foreach ( (array) $val as $enc ) {
$enclosure = explode("\n", $enc);
/**
- * Filter the atom enclosure HTML link tag for the current post.
+ * Filters the atom enclosure HTML link tag for the current post.
*
* @since 2.2.0
*
return array('text', $data);
}
+ if ( ! function_exists( 'xml_parser_create' ) ) {
+ trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
+
+ return array( 'html', "<![CDATA[$data]]>" );
+ }
+
$parser = xml_parser_create();
xml_parse($parser, '<div>' . $data . '</div>', true);
$code = xml_get_error_code($parser);
}
}
- if (strpos($data, ']]>') == false) {
+ if (strpos($data, ']]>') === false) {
return array('html', "<![CDATA[$data]]>");
} else {
return array('html', htmlspecialchars($data));
}
}
+/**
+ * Displays Site Icon in atom feeds.
+ *
+ * @since 4.3.0
+ *
+ * @see get_site_icon_url()
+ */
+function atom_site_icon() {
+ $url = get_site_icon_url( 32 );
+ if ( $url ) {
+ echo "<icon>$url</icon>\n";
+ }
+}
+
+/**
+ * Displays Site Icon in RSS2.
+ *
+ * @since 4.3.0
+ */
+function rss2_site_icon() {
+ $rss_title = get_wp_title_rss();
+ if ( empty( $rss_title ) ) {
+ $rss_title = get_bloginfo_rss( 'name' );
+ }
+
+ $url = get_site_icon_url( 32 );
+ if ( $url ) {
+ echo '
+<image>
+ <url>' . convert_chars( $url ) . '</url>
+ <title>' . $rss_title . '</title>
+ <link>' . get_bloginfo_rss( 'url' ) . '</link>
+ <width>32</width>
+ <height>32</height>
+</image> ' . "\n";
+ }
+}
+
/**
* Display the link for the currently displayed feed in a XSS safe way.
*
function self_link() {
$host = @parse_url(home_url());
/**
- * Filter the current feed URL.
+ * Filters the current feed URL.
*
* @since 3.6.0
*
* Return the content type for specified feed type.
*
* @since 2.8.0
+ *
+ * @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
*/
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'
+ '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';
/**
- * Filter the content type for a specific feed type.
+ * 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 'rss2', 'atom'.
- * Default 'rss2'.
+ * @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
*/
return apply_filters( 'feed_content_type', $content_type, $type );
}
* @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' );
+ if ( ! class_exists( 'SimplePie', false ) ) {
+ require_once( ABSPATH . WPINC . '/class-simplepie.php' );
+ }
+
+ require_once( ABSPATH . WPINC . '/class-wp-feed-cache.php' );
+ require_once( ABSPATH . WPINC . '/class-wp-feed-cache-transient.php' );
+ require_once( ABSPATH . WPINC . '/class-wp-simplepie-file.php' );
+ require_once( ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php' );
$feed = new SimplePie();
$feed->set_file_class( 'WP_SimplePie_File' );
$feed->set_feed_url( $url );
- /** This filter is documented in wp-includes/class-feed.php */
+ /** This filter is documented in wp-includes/class-wp-feed-cache-transient.php */
$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
/**
* Fires just before processing the SimplePie feed object.
*/
do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
$feed->init();
- $feed->handle_content_type();
+ $feed->set_output_encoding( get_option( 'blog_charset' ) );
if ( $feed->error() )
return new WP_Error( 'simplepie-error', $feed->error() );