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SimplePie
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certificates
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customize
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admin-bar.php
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atomlib.php
10.854KB
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author-template.php
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bookmark-template.php
11.423KB
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cache.php
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canonical.php
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capabilities.php
18.064KB
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category.php
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class-IXR.php
34.325KB
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class-feed.php
3.991KB
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class-http.php
29.679KB
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class-json.php
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class-oembed.php
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class-phpmailer.php
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class-pop3.php
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class-simplepie.php
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class-smtp.php
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class-snoopy.php
36.883KB
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class-walker-category-dropdown.php
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class-walker-category.php
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class-walker-comment.php
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class-walker-page-dropdown.php
1.954KB
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class-walker-page.php
4.301KB
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class-wp-admin-bar.php
15.674KB
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class-wp-ajax-response.php
3.92KB
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class-wp-comment-query.php
37.781KB
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class-wp-comment.php
9.133KB
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class-wp-customize-control.php
16.026KB
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class-wp-customize-nav-menus.php
34.844KB
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class-wp-customize-panel.php
9.379KB
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class-wp-customize-widgets.php
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class-wp-embed.php
11.58KB
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class-wp-error.php
4.903KB
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class-wp-http-cookie.php
5.966KB
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class-wp-http-curl.php
11.1KB
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class-wp-http-encoding.php
6.284KB
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class-wp-http-ixr-client.php
3.173KB
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class-wp-http-proxy.php
5.816KB
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class-wp-http-response.php
3.021KB
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class-wp-http-streams.php
14.506KB
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class-wp-image-editor-gd.php
13.227KB
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class-wp-image-editor-imagick.php
13.79KB
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class-wp-network.php
8.799KB
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class-wp-oembed-controller.php
1.999KB
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class-wp-post.php
5.73KB
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class-wp-rewrite.php
57.403KB
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class-wp-role.php
2.646KB
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class-wp-roles.php
6.806KB
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class-wp-tax-query.php
19.104KB
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class-wp-term.php
5.244KB
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class-wp-theme.php
40.66KB
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class-wp-user-query.php
25.596KB
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class-wp-user.php
19.055KB
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class-wp-widget.php
16.311KB
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class-wp-xmlrpc-server.php
191.971KB
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class-wp.php
23.849KB
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class.wp-scripts.php
8.311KB
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comment-template.php
82.106KB
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compat.php
9.951KB
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cron.php
14.634KB
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date.php
34.428KB
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default-constants.php
9.001KB
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default-filters.php
22.876KB
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default-widgets.php
1.469KB
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deprecated.php
101.457KB
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embed-template.php
5.29KB
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embed.php
41.845KB
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feed-atom.php
2.96KB
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feed-rdf.php
2.557KB
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feed-rss2-comments.php
3.57KB
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feed-rss2.php
3.656KB
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feed.php
18.4KB
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formatting.php
154.602KB
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functions.wp-scripts.php
9.53KB
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general-template.php
111.549KB
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http.php
19.004KB
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kses.php
48.729KB
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l10n.php
34.524KB
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link-template.php
122.47KB
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load.php
25.574KB
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locale.php
13.807KB
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media-template.php
44.432KB
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media.php
128.258KB
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meta.php
29.063KB
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ms-blogs.php
26.75KB
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ms-default-constants.php
4.45KB
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ms-default-filters.php
4.364KB
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ms-deprecated.php
11.065KB
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ms-files.php
2.55KB
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ms-functions.php
77.968KB
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ms-load.php
11.669KB
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ms-settings.php
8.696KB
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nav-menu-template.php
25.636KB
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nav-menu.php
31.302KB
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option.php
51.033KB
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pluggable.php
82.674KB
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plugin.php
31.678KB
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post-formats.php
6.788KB
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post-template.php
53.575KB
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post-thumbnail-template.php
6.987KB
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post.php
193.762KB
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query.php
142.427KB
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registration-functions.php
0.172KB
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rest-api.php
17.447KB
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revision.php
18.943KB
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rewrite.php
15.734KB
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rss-functions.php
0.185KB
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rss.php
22.759KB
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script-loader.php
53.482KB
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session.php
9.996KB
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shortcodes.php
18.714KB
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taxonomy.php
158.891KB
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template-loader.php
3.063KB
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template.php
15.233KB
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theme.php
63.664KB
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update.php
22.509KB
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user.php
76.491KB
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vars.php
5.313KB
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version.php
0.634KB
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wlwmanifest.xml
1.021KB
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wp-db.php
89.835KB
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wp-diff.php
14.701KB
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<=Back
<?php /** * WordPress Feed API * * Many of the functions used in here belong in The Loop, or The Loop for the * Feeds. * * @package WordPress * @subpackage Feed */ /** * RSS container for the bloginfo function. * * You can retrieve anything that you can using the get_bloginfo() function. * Everything will be stripped of tags and characters converted, when the values * are retrieved for use in the feeds. * * @since 1.5.1 * @see get_bloginfo() For the list of possible values to display. * * @param string $show See get_bloginfo() for possible values. * @return string */ function get_bloginfo_rss($show = '') { $info = strip_tags(get_bloginfo($show)); /** * Filter the bloginfo for use in RSS feeds. * * @since 2.2.0 * * @see convert_chars() * @see get_bloginfo() * * @param string $info Converted string value of the blog information. * @param string $show The type of blog information to retrieve. */ return apply_filters( 'get_bloginfo_rss', convert_chars( $info ), $show ); } /** * Display RSS container for the bloginfo function. * * You can retrieve anything that you can using the get_bloginfo() function. * Everything will be stripped of tags and characters converted, when the values * are retrieved for use in the feeds. * * @since 0.71 * @see get_bloginfo() For the list of possible values to display. * * @param string $show See get_bloginfo() for possible values. */ function bloginfo_rss($show = '') { /** * Filter the bloginfo for display in RSS feeds. * * @since 2.1.0 * * @see get_bloginfo() * * @param string $rss_container RSS container for the blog information. * @param string $show The type of blog information to retrieve. */ echo apply_filters( 'bloginfo_rss', get_bloginfo_rss( $show ), $show ); } /** * Retrieve the default feed. * * The default feed is 'rss2', unless a plugin changes it through the * 'default_feed' filter. * * @since 2.5.0 * * @return string Default feed, or for example 'rss2', 'atom', etc. */ function get_default_feed() { /** * Filter the default feed type. * * @since 2.5.0 * * @param string $feed_type Type of default feed. Possible values include 'rss2', 'atom'. * Default 'rss2'. */ $default_feed = apply_filters( 'default_feed', 'rss2' ); return 'rss' == $default_feed ? 'rss2' : $default_feed; } /** * Retrieve the blog title for the feed title. * * @since 2.2.0 * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`. * * @param string $deprecated Unused.. * @return string The document title. */ function get_wp_title_rss( $deprecated = '–' ) { if ( '–' !== $deprecated ) { /* translators: %s: 'document_title_separator' filter name */ _deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) ); } /** * Filter the blog title for use as the feed title. * * @since 2.2.0 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`. * * @param string $title The current blog title. * @param string $deprecated Unused. */ return apply_filters( 'get_wp_title_rss', wp_get_document_title(), $deprecated ); } /** * Display the blog title for display of the feed title. * * @since 2.2.0 * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`. * * @param string $deprecated Unused. */ function wp_title_rss( $deprecated = '–' ) { if ( '–' !== $deprecated ) { /* translators: %s: 'document_title_separator' filter name */ _deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) ); } /** * Filter the blog title for display of the feed title. * * @since 2.2.0 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`. * * @see get_wp_title_rss() * * @param string $wp_title_rss The current blog title. * @param string $deprecated Unused. */ echo apply_filters( 'wp_title_rss', get_wp_title_rss(), $deprecated ); } /** * Retrieve the current post title for the feed. * * @since 2.0.0 * * @return string Current post title. */ function get_the_title_rss() { $title = get_the_title(); /** * Filter the post title for use in a feed. * * @since 1.2.0 * * @param string $title The current post title. */ $title = apply_filters( 'the_title_rss', $title ); return $title; } /** * Display the post title in the feed. * * @since 0.71 */ function the_title_rss() { echo get_the_title_rss(); } /** * Retrieve the post content for feeds. * * @since 2.9.0 * @see get_the_content() * * @param string $feed_type The type of feed. rss2 | atom | rss | rdf * @return string The filtered content. */ function get_the_content_feed($feed_type = null) { if ( !$feed_type ) $feed_type = get_default_feed(); /** This filter is documented in wp-includes/post-template.php */ $content = apply_filters( 'the_content', get_the_content() ); $content = str_replace(']]>', ']]>', $content); /** * Filter the post content for use in feeds. * * @since 2.9.0 * * @param string $content The current post content. * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'. * Default 'rss2'. */ return apply_filters( 'the_content_feed', $content, $feed_type ); } /** * Display the post content for feeds. * * @since 2.9.0 * * @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); } /** * Display the post excerpt for the feed. * * @since 0.71 */ function the_excerpt_rss() { $output = get_the_excerpt(); /** * Filter the post excerpt for a feed. * * @since 1.2.0 * * @param string $output The current post excerpt. */ echo apply_filters( 'the_excerpt_rss', $output ); } /** * Display the permalink to the post for use in feeds. * * @since 2.3.0 */ function the_permalink_rss() { /** * Filter the permalink to the post for use in feeds. * * @since 2.3.0 * * @param string $post_permalink The current post 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() { /** * Filter the comments permalink for the current post. * * @since 3.6.0 * * @param string $comment_permalink The current comment permalink with * '#comments' appended. */ echo esc_url( apply_filters( 'comments_link_feed', get_comments_link() ) ); } /** * Display the feed GUID for the current comment. * * @since 2.5.0 * * @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) ); } /** * Retrieve the feed GUID for the current comment. * * @since 2.5.0 * * @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) { $comment = get_comment($comment_id); if ( !is_object($comment) ) return false; return get_the_guid($comment->comment_post_ID) . '#comment-' . $comment->comment_ID; } /** * Display the link to the comments. * * @since 1.5.0 * @since 4.4.0 Introduced the `$comment` argument. * * @param int|WP_Comment $comment Optional. Comment object or id. Defaults to global comment object. */ function comment_link( $comment = null ) { /** * Filter the current comment's permalink. * * @since 3.6.0 * * @see get_comment_link() * * @param string $comment_permalink The current comment permalink. */ echo esc_url( apply_filters( 'comment_link', get_comment_link( $comment ) ) ); } /** * Retrieve the current comment author for use in the feeds. * * @since 2.0.0 * * @return string Comment Author */ function get_comment_author_rss() { /** * Filter the current comment author for use in a feed. * * @since 1.5.0 * * @see get_comment_author() * * @param string $comment_author The current comment author. */ return apply_filters( 'comment_author_rss', get_comment_author() ); } /** * Display the current comment author in the feed. * * @since 1.0.0 */ function comment_author_rss() { echo get_comment_author_rss(); } /** * Display the current comment content for use in the feeds. * * @since 1.0.0 */ function comment_text_rss() { $comment_text = get_comment_text(); /** * Filter the current comment content for use in a feed. * * @since 1.5.0 * * @param string $comment_text The content of the current comment. */ $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. * * @since 2.1.0 * * @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 = null) { if ( empty($type) ) $type = get_default_feed(); $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 ) $the_list .= "\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n"; elseif ( 'atom' == $type ) $the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', esc_attr( get_bloginfo_rss( 'url' ) ), esc_attr( $cat_name ) ); else $the_list .= "\t\t<category><![CDATA[" . @html_entity_decode( $cat_name, ENT_COMPAT, get_option('blog_charset') ) . "]]></category>\n"; } /** * Filter all of the post categories for display in a feed. * * @since 1.2.0 * * @param string $the_list All of the RSS post categories. * @param string $type Type of feed. Possible values include 'rss2', 'atom'. * Default 'rss2'. */ return apply_filters( 'the_category_rss', $the_list, $type ); } /** * Display the post categories in the feed. * * @since 0.71 * @see get_the_category_rss() For better explanation. * * @param string $type Optional, default is the type returned by get_default_feed(). */ function the_category_rss($type = null) { echo get_the_category_rss($type); } /** * Display the HTML type based on the blog setting. * * The two possible values are either 'xhtml' or 'html'. * * @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. * * @since 1.5.0 */ 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 = explode("\n", $enc); // only get the first element, e.g. audio/mpeg from 'audio/mpeg mpga mp2 mp3' $t = preg_split('/[ \t]/', trim($enclosure[2]) ); $type = $t[0]; /** * Filter the RSS enclosure HTML link tag for the current post. * * @since 2.2.0 * * @param string $html_link_tag The HTML link tag with a URI and other attributes. */ echo apply_filters( 'rss_enclosure', '<enclosure url="' . trim( htmlspecialchars( $enclosure[0] ) ) . '" length="' . trim( $enclosure[1] ) . '" type="' . $type . '" />' . "\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. * * @since 2.2.0 */ 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 = explode("\n", $enc); /** * Filter the atom enclosure HTML link tag for the current post. * * @since 2.2.0 * * @param string $html_link_tag The HTML link tag with a URI and other attributes. */ echo apply_filters( 'atom_enclosure', '<link href="' . trim( htmlspecialchars( $enclosure[0] ) ) . '" rel="enclosure" length="' . trim( $enclosure[1] ) . '" type="' . trim( $enclosure[2] ) . '" />' . "\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 * * @since 2.5.0 * * @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, '<div>' . $data . '</div>', true); $code = xml_get_error_code($parser); xml_parser_free($parser); if (!$code) { if (strpos($data, '<') === false) { return array('text', $data); } else { $data = "<div xmlns='http://www.w3.org/1999/xhtml'>$data</div>"; return array('xhtml', $data); } } if (strpos($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. * * Generate a correct link for the atom:self element. * * @since 2.5.0 */ function self_link() { $host = @parse_url(home_url()); /** * Filter the current feed URL. * * @since 3.6.0 * * @see set_url_scheme() * @see wp_unslash() * * @param string $feed_link The link for the feed with set URL scheme. */ echo esc_url( apply_filters( 'self_link', set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) ); } /** * Return the content type for specified feed type. * * @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'; /** * Filter 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'. */ return apply_filters( 'feed_content_type', $content_type, $type ); } /** * Build SimplePie object based on RSS or Atom feed from URL. * * @since 2.8.0 * * @param mixed $url URL of feed to retrieve. If an array of URLs, the feeds are merged * using SimplePie's multifeed feature. * See also {@link http://simplepie.org/wiki/faq/typical_multifeed_gotchas} * * @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 ); /** This filter is documented in wp-includes/class-feed.php */ $feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) ); /** * Fires just before processing the SimplePie feed object. * * @since 3.0.0 * * @param object &$feed SimplePie feed object, passed by reference. * @param mixed $url URL of feed to retrieve. If an array of URLs, the feeds are merged. */ do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) ); $feed->init(); $feed->set_output_encoding( get_option( 'blog_charset' ) ); $feed->handle_content_type(); if ( $feed->error() ) return new WP_Error( 'simplepie-error', $feed->error() ); return $feed; }
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