get_error_message();
$title = apply_filters('get_wp_title_rss', $title);
return $title;
}
/**
* Display the blog title for display of the feed title.
*
* @package WordPress
* @subpackage Feed
* @since 2.2.0
* @uses apply_filters() Calls 'wp_title_rss' on the blog title.
* @see wp_title() $sep parameter usage.
*
* @param string $sep Optional.
*/
function wp_title_rss($sep = '»') {
echo apply_filters('wp_title_rss', get_wp_title_rss($sep));
}
/**
* Retrieve the current post title for the feed.
*
* @package WordPress
* @subpackage Feed
* @since 2.0.0
* @uses apply_filters() Calls 'the_title_rss' on the post title.
*
* @return string Current post title.
*/
function get_the_title_rss() {
$title = get_the_title();
$title = apply_filters('the_title_rss', $title);
return $title;
}
/**
* Display the post title in the feed.
*
* @package WordPress
* @subpackage Feed
* @since 0.71
* @uses get_the_title_rss() Used to retrieve current post title.
*/
function the_title_rss() {
echo get_the_title_rss();
}
/**
* 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.
*
* @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 $encode_html Optional. How to encode the content.
*/
function the_content_rss($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;
}
/** @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 = str_replace(']]>', ']]>', $content);
echo $content;
}
/**
* Display the post excerpt for the feed.
*
* @package WordPress
* @subpackage Feed
* @since 0.71
* @uses apply_filters() Calls 'the_excerpt_rss' hook on the excerpt.
*/
function the_excerpt_rss() {
$output = get_the_excerpt();
echo apply_filters('the_excerpt_rss', $output);
}
/**
* Display the permalink to the post for use in feeds.
*
* @package WordPress
* @subpackage Feed
* @since 2.3.0
* @uses apply_filters() Call 'the_permalink_rss' on the post permalink
*/
function the_permalink_rss() {
echo apply_filters('the_permalink_rss', get_permalink());
}
/**
* Display the feed GUID for the current comment.
*
* @package WordPress
* @subpackage Feed
* @since unknown
*
* @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);
}
/**
* Retrieve the feed GUID for the current comment.
*
* @package WordPress
* @subpackage Feed
* @since unknown
*
* @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
* @return bool|string false on failure or guid for comment on success.
*/
function get_comment_guid($comment_id = null) {
$comment = get_comment($comment_id);
if ( !is_object($comment) )
return false;
return get_the_guid($comment->comment_post_ID) . '#comment-' . $comment->comment_ID;
}
/**
* Display the link to the comments.
*
* @since 1.5.0
*/
function comment_link() {
echo clean_url( get_comment_link() );
}
/**
* Retrieve the current comment author for use in the feeds.
*
* @package WordPress
* @subpackage Feed
* @since 2.0.0
* @uses apply_filters() Calls 'comment_author_rss' hook on comment author.
* @uses get_comment_author()
*
* @return string Comment Author
*/
function get_comment_author_rss() {
return apply_filters('comment_author_rss', get_comment_author() );
}
/**
* Display the current comment author in the feed.
*
* @package WordPress
* @subpackage Feed
* @since 1.0.0
*/
function comment_author_rss() {
echo get_comment_author_rss();
}
/**
* Display the current comment content for use in the feeds.
*
* @package WordPress
* @subpackage Feed
* @since 1.0.0
* @uses apply_filters() Calls 'comment_text_rss' filter on comment content.
* @uses get_comment_text()
*/
function comment_text_rss() {
$comment_text = get_comment_text();
$comment_text = apply_filters('comment_text_rss', $comment_text);
echo $comment_text;
}
/**
* Retrieve all of the post categories, formatted for use in feeds.
*
* All of the categories for the current post in the feed loop, will be
* retrieved and have feed markup added, so that they can easily be added to the
* RSS2, Atom, or RSS1 and RSS0.91 RDF feeds.
*
* @package WordPress
* @subpackage Feed
* @since 2.1.0
* @uses apply_filters()
*
* @param string $type Optional, default is 'rss'. Either 'rss', 'atom', or 'rdf'.
* @return string All of the post categories for displaying in the feed.
*/
function get_the_category_rss($type = 'rss') {
$categories = get_the_category();
$tags = get_the_tags();
$the_list = '';
$cat_names = array();
$filter = 'rss';
if ( 'atom' == $type )
$filter = 'raw';
if ( !empty($categories) ) foreach ( (array) $categories as $category ) {
$cat_names[] = sanitize_term_field('name', $category->name, $category->term_id, 'category', $filter);
}
if ( !empty($tags) ) foreach ( (array) $tags as $tag ) {
$cat_names[] = sanitize_term_field('name', $tag->name, $tag->term_id, 'post_tag', $filter);
}
$cat_names = array_unique($cat_names);
foreach ( $cat_names as $cat_name ) {
if ( 'rdf' == $type )
$the_list .= "\n\t\t\n";
elseif ( 'atom' == $type )
$the_list .= sprintf( '', attribute_escape( apply_filters( 'get_bloginfo_rss', get_bloginfo( 'url' ) ) ), attribute_escape( $cat_name ) );
else
$the_list .= "\n\t\t\n";
}
return apply_filters('the_category_rss', $the_list, $type);
}
/**
* Display the post categories in the feed.
*
* @package WordPress
* @subpackage Feed
* @since 0.71
* @see get_the_category_rss() For better explanation.
*
* @param string $type Optional, default is 'rss'. Either 'rss', 'atom', or 'rdf'.
*/
function the_category_rss($type = 'rss') {
echo get_the_category_rss($type);
}
/**
* Display the HTML type based on the blog setting.
*
* The two possible values are either 'xhtml' or 'html'.
*
* @package WordPress
* @subpackage Feed
* @since 2.2.0
*/
function html_type_rss() {
$type = get_bloginfo('html_type');
if (strpos($type, 'xhtml') !== false)
$type = 'xhtml';
else
$type = 'html';
echo $type;
}
/**
* Display the rss enclosure for the current post.
*
* Uses the global $post to check whether the post requires a password and if
* the user has the password for the post. If not then it will return before
* displaying.
*
* Also uses the function get_post_custom() to get the post's 'enclosure'
* metadata field and parses the value to display the enclosure(s). The
* enclosure(s) consist of enclosure HTML tag(s) with a URI and other
* attributes.
*
* @package WordPress
* @subpackage Template
* @since 1.5.0
* @uses apply_filters() Calls 'rss_enclosure' hook on rss enclosure.
* @uses get_post_custom() To get the current post enclosure metadata.
*/
function rss_enclosure() {
if ( post_password_required() )
return;
foreach ( (array) get_post_custom() as $key => $val) {
if ($key == 'enclosure') {
foreach ( (array) $val as $enc ) {
$enclosure = split("\n", $enc);
//only get the the first element eg, audio/mpeg from 'audio/mpeg mpga mp2 mp3'
$t = split('[ \t]', trim($enclosure[2]) );
$type = $t[0];
echo apply_filters('rss_enclosure', '' . "\n");
}
}
}
}
/**
* Display the atom enclosure for the current post.
*
* Uses the global $post to check whether the post requires a password and if
* the user has the password for the post. If not then it will return before
* displaying.
*
* Also uses the function get_post_custom() to get the post's 'enclosure'
* metadata field and parses the value to display the enclosure(s). The
* enclosure(s) consist of link HTML tag(s) with a URI and other attributes.
*
* @package WordPress
* @subpackage Template
* @since 2.2.0
* @uses apply_filters() Calls 'atom_enclosure' hook on atom enclosure.
* @uses get_post_custom() To get the current post enclosure metadata.
*/
function atom_enclosure() {
if ( post_password_required() )
return;
foreach ( (array) get_post_custom() as $key => $val ) {
if ($key == 'enclosure') {
foreach ( (array) $val as $enc ) {
$enclosure = split("\n", $enc);
echo apply_filters('atom_enclosure', '' . "\n");
}
}
}
}
/**
* Determine the type of a string of data with the data formatted.
*
* Tell whether the type is text, html, or xhtml, per RFC 4287 section 3.1.
*
* In the case of WordPress, text is defined as containing no markup,
* xhtml is defined as "well formed", and html as tag soup (i.e., the rest).
*
* Container div tags are added to xhtml values, per section 3.1.1.3.
*
* @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
*
* @package WordPress
* @subpackage Feed
* @since 2.5
*
* @param string $data Input string
* @return array array(type, value)
*/
function prep_atom_text_construct($data) {
if (strpos($data, '<') === false && strpos($data, '&') === false) {
return array('text', $data);
}
$parser = xml_parser_create();
xml_parse($parser, '