328 lines
8.4 KiB
PHP
328 lines
8.4 KiB
PHP
<?php
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function get_bloginfo_rss($show = '') {
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$info = strip_tags(get_bloginfo($show));
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return apply_filters('get_bloginfo_rss', convert_chars($info));
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}
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function bloginfo_rss($show = '') {
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echo apply_filters('bloginfo_rss', get_bloginfo_rss($show));
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}
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function get_wp_title_rss($sep = '»') {
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$title = wp_title($sep, false);
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if ( is_wp_error( $title ) )
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return $title->get_error_message();
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$title = apply_filters('get_wp_title_rss', $title);
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return $title;
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}
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function wp_title_rss($sep = '»') {
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echo apply_filters('wp_title_rss', get_wp_title_rss($sep));
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}
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function get_the_title_rss() {
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$title = get_the_title();
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$title = apply_filters('the_title_rss', $title);
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return $title;
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}
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function the_title_rss() {
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echo get_the_title_rss();
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}
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function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
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$content = get_the_content($more_link_text, $stripteaser, $more_file);
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$content = apply_filters('the_content_rss', $content);
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if ( $cut && !$encode_html )
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$encode_html = 2;
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if ( 1== $encode_html ) {
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$content = wp_specialchars($content);
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$cut = 0;
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} elseif ( 0 == $encode_html ) {
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$content = make_url_footnote($content);
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} elseif ( 2 == $encode_html ) {
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$content = strip_tags($content);
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}
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if ( $cut ) {
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$blah = explode(' ', $content);
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if ( count($blah) > $cut ) {
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$k = $cut;
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$use_dotdotdot = 1;
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} else {
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$k = count($blah);
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$use_dotdotdot = 0;
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}
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for ( $i=0; $i<$k; $i++ )
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$excerpt .= $blah[$i].' ';
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$excerpt .= ($use_dotdotdot) ? '...' : '';
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$content = $excerpt;
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}
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$content = str_replace(']]>', ']]>', $content);
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echo $content;
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}
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function the_excerpt_rss() {
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$output = get_the_excerpt();
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echo apply_filters('the_excerpt_rss', $output);
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}
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function the_permalink_rss() {
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echo apply_filters('the_permalink_rss', get_permalink());
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}
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function comment_link() {
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echo get_comment_link();
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}
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function get_comment_author_rss() {
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return apply_filters('comment_author_rss', get_comment_author() );
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}
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function comment_author_rss() {
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echo get_comment_author_rss();
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}
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function comment_text_rss() {
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$comment_text = get_comment_text();
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$comment_text = apply_filters('comment_text_rss', $comment_text);
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echo $comment_text;
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}
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function comments_rss_link($link_text = 'Comments RSS', $commentsrssfilename = 'nolongerused') {
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$url = get_post_comments_feed_link();
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echo "<a href='$url'>$link_text</a>";
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}
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function comments_rss($commentsrssfilename = 'nolongerused') {
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return get_post_comments_feed_link();
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}
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function get_author_rss_link($echo = false, $author_id, $author_nicename) {
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$auth_ID = (int) $author_id;
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$permalink_structure = get_option('permalink_structure');
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if ( '' == $permalink_structure ) {
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$link = get_option('home') . '?feed=rss2&author=' . $author_id;
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} else {
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$link = get_author_posts_url($author_id, $author_nicename);
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$link = trailingslashit($link) . user_trailingslashit('feed', 'feed');
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}
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$link = apply_filters('author_feed_link', $link);
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if ( $echo )
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echo $link;
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return $link;
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}
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/** get_category_feed_link() - Get the feed link for a given category
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*
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* Returns a link to the feed for all post in a given category. A specific feed can be requested
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* or left blank to get the default feed.
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*
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* @package WordPress
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* @subpackage Feed
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* @since 2.4
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*
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* @param int $cat_id ID of a category
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* @param string $feed Feed type
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* @return string Link to the feed for the category specified by $cat_id
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*/
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function get_category_feed_link($cat_id, $feed = 'rss2') {
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$cat_id = (int) $cat_id;
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$category = get_category($cat_id);
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if ( empty($category) || is_wp_error($category) )
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return false;
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$permalink_structure = get_option('permalink_structure');
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if ( '' == $permalink_structure ) {
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$link = get_option('home') . "?feed=$feed&cat=" . $cat_id;
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} else {
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$link = get_category_link($cat_id);
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if( 'rss2' == $feed )
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$feed_link = 'feed';
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else
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$feed_link = "feed/$feed";
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$link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
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}
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$link = apply_filters('category_feed_link', $link, $feed);
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return $link;
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}
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function get_category_rss_link($echo = false, $cat_ID, $category_nicename) {
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$link = get_category_feed_link($cat_ID, $feed = 'rss2');
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if ( $echo )
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echo $link;
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return $link;
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}
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function get_the_category_rss($type = 'rss') {
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$categories = get_the_category();
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$tags = get_the_tags();
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$home = get_bloginfo_rss('home');
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$the_list = '';
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$cat_names = array();
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$filter = 'rss';
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if ( 'atom' == $type )
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$filter = 'raw';
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if ( !empty($categories) ) foreach ( (array) $categories as $category ) {
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$cat_names[] = sanitize_term_field('name', $category->name, $category->term_id, 'category', $filter);
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}
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if ( !empty($tags) ) foreach ( (array) $tags as $tag ) {
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$cat_names[] = sanitize_term_field('name', $tag->name, $tag->term_id, 'post_tag', $filter);
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}
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$cat_names = array_unique($cat_names);
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foreach ( $cat_names as $cat_name ) {
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if ( 'rdf' == $type )
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$the_list .= "\n\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n";
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elseif ( 'atom' == $type )
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$the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', attribute_escape( apply_filters( 'get_bloginfo_rss', get_bloginfo( 'url' ) ) ), attribute_escape( $cat_name ) );
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else
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$the_list .= "\n\t\t<category><![CDATA[$cat_name]]></category>\n";
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}
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return apply_filters('the_category_rss', $the_list, $type);
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}
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function the_category_rss($type = 'rss') {
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echo get_the_category_rss($type);
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}
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function get_tag_feed_link($tag_id, $feed = 'rss2') {
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$tag_id = (int) $tag_id;
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$tag = get_tag($tag_id);
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if ( empty($tag) || is_wp_error($tag) )
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return false;
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$permalink_structure = get_option('permalink_structure');
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if ( '' == $permalink_structure ) {
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$link = get_option('home') . "?feed=$feed&tag=" . $tag->slug;
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} else {
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$link = get_tag_link($tag->term_id);
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if ( 'rss2' == $feed )
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$feed_link = 'feed';
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else
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$feed_link = "feed/$feed";
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$link = $link . user_trailingslashit($feed_link, 'feed');
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}
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$link = apply_filters('tag_feed_link', $link, $feed);
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return $link;
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}
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function html_type_rss() {
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$type = get_bloginfo('html_type');
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if (strpos($type, 'xhtml') !== false)
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$type = 'xhtml';
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else
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$type = 'html';
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echo $type;
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}
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function rss_enclosure() {
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global $id, $post;
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if ( !empty($post->post_password) && ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) )
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return;
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foreach (get_post_custom() as $key => $val) {
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if ($key == 'enclosure') {
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foreach ((array)$val as $enc) {
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$enclosure = split("\n", $enc);
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echo apply_filters('rss_enclosure', '<enclosure url="' . trim(htmlspecialchars($enclosure[0])) . '" length="' . trim($enclosure[1]) . '" type="' . trim($enclosure[2]) . '" />' . "\n");
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}
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}
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}
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}
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function atom_enclosure() {
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global $id, $post;
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if ( !empty($post->post_password) && ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) )
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return;
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foreach (get_post_custom() as $key => $val) {
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if ($key == 'enclosure') {
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foreach ((array)$val as $enc) {
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$enclosure = split("\n", $enc);
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echo apply_filters('atom_enclosure', '<link href="' . trim(htmlspecialchars($enclosure[0])) . '" rel="enclosure" length="' . trim($enclosure[1]) . '" type="' . trim($enclosure[2]) . '" />' . "\n");
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}
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}
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}
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}
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/**
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* prep_atom_text_construct() - determine if given string of data is
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* type text, html, or xhtml, per RFC 4287 section 3.1.
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*
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* In the case of WordPress, text is defined as containing no markup,
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* xhtml is defined as "well formed", and html as tag soup (i.e., the rest).
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*
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* Container div tags are added to xhtml values, per section 3.1.1.3.
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*
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* @package WordPress
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* @subpackage Feed
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* @since 2.4
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*
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* @param string $data input string
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* @return array $result array(type, value)
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* @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
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*/
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function prep_atom_text_construct($data) {
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if (strpos($data, '<') === false && strpos($data, '&') === false) {
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return array('text', $data);
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}
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$parser = xml_parser_create();
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xml_parse($parser, '<div>' . $data . '</div>', true);
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$code = xml_get_error_code($parser);
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xml_parser_free($parser);
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if (!$code) {
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if (strpos($data, '<') === false) {
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return array('text', $data);
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} else {
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$data = "<div xmlns='http://www.w3.org/1999/xhtml'>$data</div>";
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return array('xhtml', $data);
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}
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}
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if (strpos($data, ']]>') == false) {
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return array('html', "<![CDATA[$data]]>");
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} else {
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return array('html', htmlspecialchars($data));
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}
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}
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?>
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