string $link_text Descriptive text. * @param int $post_id Optional post ID. Default to current post. * @param string $feed Optional. Feed format. * @return string Link to the comment feed for the current post. */ function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) { $url = esc_url( get_post_comments_feed_link( $post_id, $feed ) ); if ( empty($link_text) ) $link_text = __('Comments Feed'); echo apply_filters( 'post_comments_feed_link_html', "$link_text", $post_id, $feed ); } /** * Retrieve the feed link for a given author. * * Returns a link to the feed for all posts by a given author. A specific feed * can be requested or left blank to get the default feed. * * @package WordPress * @subpackage Feed * @since 2.5.0 * * @param int $author_id ID of an author. * @param string $feed Optional. Feed type. * @return string Link to the feed for the author specified by $author_id. */ function get_author_feed_link( $author_id, $feed = '' ) { $author_id = (int) $author_id; $permalink_structure = get_option('permalink_structure'); if ( empty($feed) ) $feed = get_default_feed(); if ( '' == $permalink_structure ) { $link = home_url("?feed=$feed&author=" . $author_id); } else { $link = get_author_posts_url($author_id); if ( $feed == get_default_feed() ) $feed_link = 'feed'; else $feed_link = "feed/$feed"; $link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed'); } $link = apply_filters('author_feed_link', $link, $feed); return $link; } /** * Retrieve the feed link for a category. * * Returns a link to the feed for all posts in a given category. A specific feed * can be requested or left blank to get the default feed. * * @package WordPress * @subpackage Feed * @since 2.5.0 * * @param int $cat_id ID of a category. * @param string $feed Optional. Feed type. * @return string Link to the feed for the category specified by $cat_id. */ function get_category_feed_link($cat_id, $feed = '') { return get_term_feed_link($cat_id, 'category', $feed); } /** * Retrieve the feed link for a term. * * Returns a link to the feed for all posts in a given term. A specific feed * can be requested or left blank to get the default feed. * * @since 3.0 * * @param int $term_id ID of a category. * @param string $taxonomy Optional. Taxonomy of $term_id * @param string $feed Optional. Feed type. * @return string Link to the feed for the term specified by $term_id and $taxonomy. */ function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) { $term_id = ( int ) $term_id; $term = get_term( $term_id, $taxonomy ); if ( empty( $term ) || is_wp_error( $term ) ) return false; if ( empty( $feed ) ) $feed = get_default_feed(); $permalink_structure = get_option( 'permalink_structure' ); if ( '' == $permalink_structure ) { if ( 'category' == $taxonomy ) { $link = home_url("?feed=$feed&cat=$term_id"); } elseif ( 'post_tag' == $taxonomy ) { $link = home_url("?feed=$feed&tag=$term->slug"); } else { $t = get_taxonomy( $taxonomy ); $link = home_url("?feed=$feed&$t->query_var=$term->slug"); } } else { $link = get_term_link( $term_id, $term->taxonomy ); if ( $feed == get_default_feed() ) $feed_link = 'feed'; else $feed_link = "feed/$feed"; $link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' ); } if ( 'category' == $taxonomy ) $link = apply_filters( 'category_feed_link', $link, $feed ); elseif ( 'post_tag' == $taxonomy ) $link = apply_filters( 'tag_feed_link', $link, $feed ); else $link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy ); return $link; } /** * Retrieve permalink for feed of tag. * * @since 2.3.0 * * @param int $tag_id Tag ID. * @param string $feed Optional. Feed type. * @return string */ function get_tag_feed_link($tag_id, $feed = '') { return get_term_feed_link($tag_id, 'post_tag', $feed); } /** * Retrieve edit tag link. * * @since 2.7.0 * * @param int $tag_id Tag ID * @param string $taxonomy Taxonomy * @return string */ function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) { return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) ); } /** * Display or retrieve edit tag link with formatting. * * @since 2.7.0 * * @param string $link Optional. Anchor text. * @param string $before Optional. Display before edit link. * @param string $after Optional. Display after edit link. * @param object $tag Tag object. * @return string HTML content. */ function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) { $link = edit_term_link( $link, '', '', $tag, false ); echo $before . apply_filters( 'edit_tag_link', $link ) . $after; } /** * Retrieve edit term url. * * @since 3.1.0 * * @param int $term_id Term ID * @param string $taxonomy Taxonomy * @param string $object_type The object type * @return string */ function get_edit_term_link( $term_id, $taxonomy, $object_type = '' ) { $tax = get_taxonomy( $taxonomy ); if ( !current_user_can( $tax->cap->edit_terms ) ) return; $term = get_term( $term_id, $taxonomy ); $args = array( 'action' => 'edit', 'taxonomy' => $taxonomy, 'tag_ID' => $term->term_id, ); if ( $object_type ) $args['post_type'] = $object_type; $location = add_query_arg( $args, admin_url( 'edit-tags.php' ) ); return apply_filters( 'get_edit_term_link', $location, $term_id, $taxonomy, $object_type ); } /** * Display or retrieve edit term link with formatting. * * @since 3.1.0 * * @param string $link Optional. Anchor text. * @param string $before Optional. Display before edit link. * @param string $after Optional. Display after edit link. * @param object $term Term object. * @return string HTML content. */ function edit_term_link( $link = '', $before = '', $after = '', $term = null, $echo = true ) { if ( is_null( $term ) ) $term = get_queried_object(); if ( ! $term ) return; $tax = get_taxonomy( $term->taxonomy ); if ( ! current_user_can( $tax->cap->edit_terms ) ) return; if ( empty( $link ) ) $link = __('Edit This'); $link = '' . $link . ''; $link = $before . apply_filters( 'edit_term_link', $link, $term->term_id ) . $after; if ( $echo ) echo $link; else return $link; } /** * Retrieve permalink for search. * * @since 3.0.0 * * @param string $query Optional. The query string to use. If empty the current query is used. * @return string */ function get_search_link( $query = '' ) { global $wp_rewrite; if ( empty($query) ) $search = get_search_query( false ); else $search = stripslashes($query); $permastruct = $wp_rewrite->get_search_permastruct(); if ( empty( $permastruct ) ) { $link = home_url('?s=' . urlencode($search) ); } else { $search = urlencode($search); $search = str_replace('%2F', '/', $search); // %2F(/) is not valid within a URL, send it unencoded. $link = str_replace( '%search%', $search, $permastruct ); $link = home_url( user_trailingslashit( $link, 'search' ) ); } return apply_filters( 'search_link', $link, $search ); } /** * Retrieve the permalink for the feed of the search results. * * @since 2.5.0 * * @param string $search_query Optional. Search query. * @param string $feed Optional. Feed type. * @return string */ function get_search_feed_link($search_query = '', $feed = '') { global $wp_rewrite; $link = get_search_link($search_query); if ( empty($feed) ) $feed = get_default_feed(); $permastruct = $wp_rewrite->get_search_permastruct(); if ( empty($permastruct) ) { $link = add_query_arg('feed', $feed, $link); } else { $link = trailingslashit($link); $link .= "feed/$feed/"; } $link = apply_filters('search_feed_link', $link, $feed, 'posts'); return $link; } /** * Retrieve the permalink for the comments feed of the search results. * * @since 2.5.0 * * @param string $search_query Optional. Search query. * @param string $feed Optional. Feed type. * @return string */ function get_search_comments_feed_link($search_query = '', $feed = '') { global $wp_rewrite; if ( empty($feed) ) $feed = get_default_feed(); $link = get_search_feed_link($search_query, $feed); $permastruct = $wp_rewrite->get_search_permastruct(); if ( empty($permastruct) ) $link = add_query_arg('feed', 'comments-' . $feed, $link); else $link = add_query_arg('withcomments', 1, $link); $link = apply_filters('search_feed_link', $link, $feed, 'comments'); return $link; } /** * Retrieve the permalink for a post type archive. * * @since 3.1.0 * * @param string $post_type Post type * @return string */ function get_post_type_archive_link( $post_type ) { global $wp_rewrite; if ( ! $post_type_obj = get_post_type_object( $post_type ) ) return false; if ( ! $post_type_obj->has_archive ) return false; if ( get_option( 'permalink_structure' ) && is_array( $post_type_obj->rewrite ) ) { $struct = ( true === $post_type_obj->has_archive ) ? $post_type_obj->rewrite['slug'] : $post_type_obj->has_archive; if ( $post_type_obj->rewrite['with_front'] ) $struct = $wp_rewrite->front . $struct; else $struct = $wp_rewrite->root . $struct; $link = home_url( user_trailingslashit( $struct, 'post_type_archive' ) ); } else { $link = home_url( '?post_type=' . $post_type ); } return apply_filters( 'post_type_archive_link', $link, $post_type ); } /** * Retrieve the permalink for a post type archive feed. * * @since 3.1.0 * * @param string $post_type Post type * @param string $feed Optional. Feed type * @return string */ function get_post_type_archive_feed_link( $post_type, $feed = '' ) { $default_feed = get_default_feed(); if ( empty( $feed ) ) $feed = $default_feed; if ( ! $link = get_post_type_archive_link( $post_type ) ) return false; $post_type_obj = get_post_type_object( $post_type ); if ( get_option( 'permalink_structure' ) && is_array( $post_type_obj->rewrite ) && $post_type_obj->rewrite['feeds'] ) { $link = trailingslashit( $link ); $link .= 'feed/'; if ( $feed != $default_feed ) $link .= "$feed/"; } else { $link = add_query_arg( 'feed', $feed, $link ); } return apply_filters( 'post_type_archive_feed_link', $link, $feed ); } /** * Retrieve edit posts link for post. * * Can be used within the WordPress loop or outside of it. Can be used with * pages, posts, attachments, and revisions. * * @since 2.3.0 * * @param int $id Optional. Post ID. * @param string $context Optional, defaults to display. How to write the '&', defaults to '&'. * @return string */ function get_edit_post_link( $id = 0, $context = 'display' ) { if ( ! $post = get_post( $id ) ) return; if ( 'revision' === $post->post_type ) $action = ''; elseif ( 'display' == $context ) $action = '&action=edit'; else $action = '&action=edit'; $post_type_object = get_post_type_object( $post->post_type ); if ( !$post_type_object ) return; if ( !current_user_can( 'edit_post', $post->ID ) ) return; return apply_filters( 'get_edit_post_link', admin_url( sprintf($post_type_object->_edit_link . $action, $post->ID) ), $post->ID, $context ); } /** * Display edit post link for post. * * @since 1.0.0 * * @param string $link Optional. Anchor text. * @param string $before Optional. Display before edit link. * @param string $after Optional. Display after edit link. * @param int $id Optional. Post ID. */ function edit_post_link( $link = null, $before = '', $after = '', $id = 0 ) { if ( !$post = get_post( $id ) ) return; if ( !$url = get_edit_post_link( $post->ID ) ) return; if ( null === $link ) $link = __('Edit This'); $post_type_obj = get_post_type_object( $post->post_type ); $link = '' . $link . ''; echo $before . apply_filters( 'edit_post_link', $link, $post->ID ) . $after; } /** * Retrieve delete posts link for post. * * Can be used within the WordPress loop or outside of it, with any post type. * * @since 2.9.0 * * @param int $id Optional. Post ID. * @param string $deprecated Not used. * @param bool $force_delete Whether to bypass trash and force deletion. Default is false. * @return string */ function get_delete_post_link( $id = 0, $deprecated = '', $force_delete = false ) { if ( ! empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '3.0' ); if ( !$post = get_post( $id ) ) return; $post_type_object = get_post_type_object( $post->post_type ); if ( !$post_type_object ) return; if ( !current_user_can( 'delete_post', $post->ID ) ) return; $action = ( $force_delete || !EMPTY_TRASH_DAYS ) ? 'delete' : 'trash'; $delete_link = add_query_arg( 'action', $action, admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ); return apply_filters( 'get_delete_post_link', wp_nonce_url( $delete_link, "$action-post_{$post->ID}" ), $post->ID, $force_delete ); } /** * Retrieve edit comment link. * * @since 2.3.0 * * @param int $comment_id Optional. Comment ID. * @return string */ function get_edit_comment_link( $comment_id = 0 ) { $comment = get_comment( $comment_id ); if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) return; $location = admin_url('comment.php?action=editcomment&c=') . $comment->comment_ID; return apply_filters( 'get_edit_comment_link', $location ); } /** * Display or retrieve edit comment link with formatting. * * @since 1.0.0 * * @param string $link Optional. Anchor text. * @param string $before Optional. Display before edit link. * @param string $after Optional. Display after edit link. * @return string|null HTML content, if $echo is set to false. */ function edit_comment_link( $link = null, $before = '', $after = '' ) { global $comment; if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) return; if ( null === $link ) $link = __('Edit This'); $link = '' . $link . ''; echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after; } /** * Display edit bookmark (literally a URL external to blog) link. * * @since 2.7.0 * * @param int $link Optional. Bookmark ID. * @return string */ function get_edit_bookmark_link( $link = 0 ) { $link = get_bookmark( $link ); if ( !current_user_can('manage_links') ) return; $location = admin_url('link.php?action=edit&link_id=') . $link->link_id; return apply_filters( 'get_edit_bookmark_link', $location, $link->link_id ); } /** * Display edit bookmark (literally a URL external to blog) link anchor content. * * @since 2.7.0 * * @param string $link Optional. Anchor text. * @param string $before Optional. Display before edit link. * @param string $after Optional. Display after edit link. * @param int $bookmark Optional. Bookmark ID. */ function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = null ) { $bookmark = get_bookmark($bookmark); if ( !current_user_can('manage_links') ) return; if ( empty($link) ) $link = __('Edit This'); $link = '' . $link . ''; echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after; } /** * Retrieve edit user link * * @since 3.5.0 * * @param int $user_id Optional. User ID. Defaults to the current user. * @return string URL to edit user page or empty string. */ function get_edit_user_link( $user_id = null ) { if ( ! $user_id ) $user_id = get_current_user_id(); if ( empty( $user_id ) || ! current_user_can( 'edit_user', $user_id ) ) return ''; $user = get_userdata( $user_id ); if ( ! $user ) return ''; if ( get_current_user_id() == $user->ID ) $link = get_edit_profile_url( $user->ID ); else $link = add_query_arg( 'user_id', $user->ID, self_admin_url( 'user-edit.php' ) ); return apply_filters( 'get_edit_user_link', $link, $user->ID ); } // Navigation links /** * Retrieve previous post that is adjacent to current post. * * @since 1.5.0 * * @param bool $in_same_term Optional. Whether post should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists. */ function get_previous_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post( $in_same_term, $excluded_terms, true, $taxonomy ); } /** * Retrieve next post that is adjacent to current post. * * @since 1.5.0 * * @param bool $in_same_term Optional. Whether post should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists. */ function get_next_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post( $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Retrieve adjacent post. * * Can either be next or previous post. * * @since 2.5.0 * * @param bool $in_same_term Optional. Whether post should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param bool $previous Optional. Whether to retrieve previous post. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists. */ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { global $wpdb; if ( ( ! $post = get_post() ) || ! taxonomy_exists( $taxonomy ) ) return null; $current_post_date = $post->post_date; $join = ''; $posts_in_ex_terms_sql = ''; if ( $in_same_term || ! empty( $excluded_terms ) ) { $join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id"; if ( $in_same_term ) { if ( ! is_object_in_taxonomy( $post->post_type, $taxonomy ) ) return ''; $term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) ); if ( ! $term_array || is_wp_error( $term_array ) ) return ''; $join .= $wpdb->prepare( " AND tt.taxonomy = %s AND tt.term_id IN (" . implode( ',', array_map( 'intval', $term_array ) ) . ")", $taxonomy ); } $posts_in_ex_terms_sql = $wpdb->prepare( "AND tt.taxonomy = %s", $taxonomy ); if ( ! empty( $excluded_terms ) ) { if ( ! is_array( $excluded_terms ) ) { // back-compat, $excluded_terms used to be $excluded_terms with IDs separated by " and " if ( false !== strpos( $excluded_terms, ' and ' ) ) { _deprecated_argument( __FUNCTION__, '3.3', sprintf( __( 'Use commas instead of %s to separate excluded terms.' ), "'and'" ) ); $excluded_terms = explode( ' and ', $excluded_terms ); } else { $excluded_terms = explode( ',', $excluded_terms ); } } $excluded_terms = array_map( 'intval', $excluded_terms ); if ( ! empty( $term_array ) ) { $excluded_terms = array_diff( $excluded_terms, $term_array ); $posts_in_ex_terms_sql = ''; } if ( ! empty( $excluded_terms ) ) { $posts_in_ex_terms_sql = $wpdb->prepare( " AND tt.taxonomy = %s AND tt.term_id NOT IN (" . implode( $excluded_terms, ',' ) . ')', $taxonomy ); } } } $adjacent = $previous ? 'previous' : 'next'; $op = $previous ? '<' : '>'; $order = $previous ? 'DESC' : 'ASC'; $join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_term, $excluded_terms ); $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_terms_sql", $current_post_date, $post->post_type), $in_same_term, $excluded_terms ); $sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" ); $query = "SELECT p.ID FROM $wpdb->posts AS p $join $where $sort"; $query_key = 'adjacent_post_' . md5( $query ); $result = wp_cache_get( $query_key, 'counts' ); if ( false !== $result ) { if ( $result ) $result = get_post( $result ); return $result; } $result = $wpdb->get_var( $query ); if ( null === $result ) $result = ''; wp_cache_set( $query_key, $result, 'counts' ); if ( $result ) $result = get_post( $result ); return $result; } /** * Get adjacent post relational link. * * Can either be next or previous post relational link. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param bool $previous Optional. Whether to display link to previous or next post. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string */ function get_adjacent_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { if ( $previous && is_attachment() && $post = get_post() ) $post = get_post( $post->post_parent ); else $post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy ); if ( empty( $post ) ) return; $post_title = the_title_attribute( array( 'echo' => false, 'post' => $post ) ); if ( empty( $post_title ) ) $post_title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); $date = mysql2date( get_option( 'date_format' ), $post->post_date ); $title = str_replace( '%title', $post_title, $title ); $title = str_replace( '%date', $date, $title ); $link = $previous ? "\n"; $adjacent = $previous ? 'previous' : 'next'; return apply_filters( "{$adjacent}_post_rel_link", $link ); } /** * Display relational links for the posts adjacent to the current post. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function adjacent_posts_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms = '', true, $taxonomy ); echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms = '', false, $taxonomy ); } /** * Display relational links for the posts adjacent to the current post for single post pages. * * This is meant to be attached to actions like 'wp_head'. Do not call this directly in plugins or theme templates. * @since 3.0.0 * */ function adjacent_posts_rel_link_wp_head() { if ( !is_singular() || is_attachment() ) return; adjacent_posts_rel_link(); } /** * Display relational link for the next post adjacent to the current post. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function next_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms = '', false, $taxonomy ); } /** * Display relational link for the previous post adjacent to the current post. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function prev_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms = '', true, $taxonomy ); } /** * Retrieve boundary post. * * Boundary being either the first or last post by publish date within the constraints specified * by $in_same_term or $excluded_terms. * * @since 2.8.0 * * @param bool $in_same_term Optional. Whether returned post should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param bool $start Optional. Whether to retrieve first or last post. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return object */ function get_boundary_post( $in_same_term = false, $excluded_terms = '', $start = true, $taxonomy = 'category' ) { $post = get_post(); if ( ! $post || ! is_single() || is_attachment() || ! taxonomy_exists( $taxonomy ) ) return null; $query_args = array( 'posts_per_page' => 1, 'order' => $start ? 'ASC' : 'DESC', 'update_post_term_cache' => false, 'update_post_meta_cache' => false ); $term_array = array(); if ( ! is_array( $excluded_terms ) ) { if ( ! empty( $excluded_terms ) ) $excluded_terms = explode( ',', $excluded_terms ); else $excluded_terms = array(); } if ( $in_same_term || ! empty( $excluded_terms ) ) { if ( $in_same_term ) $term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) ); if ( ! empty( $excluded_terms ) ) { $excluded_terms = array_map( 'intval', $excluded_terms ); $excluded_terms = array_diff( $excluded_terms, $term_array ); $inverse_terms = array(); foreach ( $excluded_terms as $excluded_term ) $inverse_terms[] = $excluded_term * -1; $excluded_terms = $inverse_terms; } $query_args[ 'tax_query' ] = array( array( 'taxonomy' => $taxonomy, 'terms' => array_merge( $term_array, $excluded_terms ) ) ); } return get_posts( $query_args ); } /* * Get previous post link that is adjacent to the current post. * * @since 3.7.0 * * @param string $format Optional. Link anchor format. * @param string $link Optional. Link permalink format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string */ function get_previous_post_link( $format = '« %link', $link = '%title', $in_same_cat = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post_link( $format, $link, $in_same_cat, $excluded_terms, true, $taxonomy ); } /** * Display previous post link that is adjacent to the current post. * * @since 1.5.0 * @see get_previous_post_link() * * @param string $format Optional. Link anchor format. * @param string $link Optional. Link permalink format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function previous_post_link( $format = '« %link', $link = '%title', $in_same_cat = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_previous_post_link( $format, $link, $in_same_cat, $excluded_terms, $taxonomy ); } /** * Get next post link that is adjacent to the current post. * * @since 3.7.0 * * @param string $format Optional. Link anchor format. * @param string $link Optional. Link permalink format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string */ function get_next_post_link( $format = '%link »', $link = '%title', $in_same_cat = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post_link( $format, $link, $in_same_cat, $excluded_terms, false, $taxonomy ); } /** * Display next post link that is adjacent to the current post. * * @since 1.5.0 * @see get_next_post_link() * * @param string $format Optional. Link anchor format. * @param string $link Optional. Link permalink format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function next_post_link( $format = '%link »', $link = '%title', $in_same_cat = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_next_post_link( $format, $link, $in_same_cat, $excluded_terms, $taxonomy ); } /** * Get adjacent post link. * * Can be either next post link or previous. * * @since 3.7.0 * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded terms IDs. * @param bool $previous Optional. Whether to display link to previous or next post. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string */ function get_adjacent_post_link( $format, $link, $in_same_cat = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { if ( $previous && is_attachment() ) $post = get_post( get_post()->post_parent ); else $post = get_adjacent_post( $in_same_cat, $excluded_terms, $previous, $taxonomy ); if ( ! $post ) { $output = ''; } else { $title = $post->post_title; if ( empty( $post->post_title ) ) $title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); /** This filter is documented in wp-includes/post-template.php */ $title = apply_filters( 'the_title', $title, $post->ID ); $date = mysql2date( get_option( 'date_format' ), $post->post_date ); $rel = $previous ? 'prev' : 'next'; $string = ''; $inlink = str_replace( '%title', $title, $link ); $inlink = str_replace( '%date', $date, $inlink ); $inlink = $string . $inlink . ''; $output = str_replace( '%link', $inlink, $format ); } $adjacent = $previous ? 'previous' : 'next'; return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post ); } /** * Display adjacent post link. * * Can be either next post link or previous. * * @since 2.5.0 * @uses get_adjacent_post_link() * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_cat Optional. Whether link should be in a same category. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded category IDs. * @param bool $previous Optional. Whether to display link to previous or next post. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string */ function adjacent_post_link( $format, $link, $in_same_cat = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { echo get_adjacent_post_link( $format, $link, $in_same_cat, $excluded_terms, $previous, $taxonomy ); } /** * Retrieve links for page numbers. * * @since 1.5.0 * * @param int $pagenum Optional. Page ID. * @param bool $escape Optional. Whether to escape the URL for display, with esc_url(). Defaults to true. * Otherwise, prepares the URL with esc_url_raw(). * @return string */ function get_pagenum_link($pagenum = 1, $escape = true ) { global $wp_rewrite; $pagenum = (int) $pagenum; $request = remove_query_arg( 'paged' ); $home_root = parse_url(home_url()); $home_root = ( isset($home_root['path']) ) ? $home_root['path'] : ''; $home_root = preg_quote( $home_root, '|' ); $request = preg_replace('|^'. $home_root . '|i', '', $request); $request = preg_replace('|^/+|', '', $request); if ( !$wp_rewrite->using_permalinks() || is_admin() ) { $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $pagenum > 1 ) { $result = add_query_arg( 'paged', $pagenum, $base . $request ); } else { $result = $base . $request; } } else { $qs_regex = '|\?.*?$|'; preg_match( $qs_regex, $request, $qs_match ); if ( !empty( $qs_match[0] ) ) { $query_string = $qs_match[0]; $request = preg_replace( $qs_regex, '', $request ); } else { $query_string = ''; } $request = preg_replace( "|$wp_rewrite->pagination_base/\d+/?$|", '', $request); $request = preg_replace( '|^' . preg_quote( $wp_rewrite->index, '|' ) . '|i', '', $request); $request = ltrim($request, '/'); $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) ) $base .= $wp_rewrite->index . '/'; if ( $pagenum > 1 ) { $request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( $wp_rewrite->pagination_base . "/" . $pagenum, 'paged' ); } $result = $base . $request . $query_string; } $result = apply_filters('get_pagenum_link', $result); if ( $escape ) return esc_url( $result ); else return esc_url_raw( $result ); } /** * Retrieve next posts page link. * * Backported from 2.1.3 to 2.0.10. * * @since 2.0.10 * * @param int $max_page Optional. Max pages. * @return string */ function get_next_posts_page_link($max_page = 0) { global $paged; if ( !is_single() ) { if ( !$paged ) $paged = 1; $nextpage = intval($paged) + 1; if ( !$max_page || $max_page >= $nextpage ) return get_pagenum_link($nextpage); } } /** * Display or return the next posts page link. * * @since 0.71 * * @param int $max_page Optional. Max pages. * @param boolean $echo Optional. Echo or return; */ function next_posts( $max_page = 0, $echo = true ) { $output = esc_url( get_next_posts_page_link( $max_page ) ); if ( $echo ) echo $output; else return $output; } /** * Return the next posts page link. * * @since 2.7.0 * * @param string $label Content for link text. * @param int $max_page Optional. Max pages. * @return string|null */ function get_next_posts_link( $label = null, $max_page = 0 ) { global $paged, $wp_query; if ( !$max_page ) $max_page = $wp_query->max_num_pages; if ( !$paged ) $paged = 1; $nextpage = intval($paged) + 1; if ( null === $label ) $label = __( 'Next Page »' ); if ( !is_single() && ( $nextpage <= $max_page ) ) { $attr = apply_filters( 'next_posts_link_attributes', '' ); return '" . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) . ''; } } /** * Display the next posts page link. * * @since 0.71 * @uses get_next_posts_link() * * @param string $label Content for link text. * @param int $max_page Optional. Max pages. */ function next_posts_link( $label = null, $max_page = 0 ) { echo get_next_posts_link( $label, $max_page ); } /** * Retrieve previous posts page link. * * Will only return string, if not on a single page or post. * * Backported to 2.0.10 from 2.1.3. * * @since 2.0.10 * * @return string|null */ function get_previous_posts_page_link() { global $paged; if ( !is_single() ) { $nextpage = intval($paged) - 1; if ( $nextpage < 1 ) $nextpage = 1; return get_pagenum_link($nextpage); } } /** * Display or return the previous posts page link. * * @since 0.71 * * @param boolean $echo Optional. Echo or return; */ function previous_posts( $echo = true ) { $output = esc_url( get_previous_posts_page_link() ); if ( $echo ) echo $output; else return $output; } /** * Return the previous posts page link. * * @since 2.7.0 * * @param string $label Optional. Previous page link text. * @return string|null */ function get_previous_posts_link( $label = null ) { global $paged; if ( null === $label ) $label = __( '« Previous Page' ); if ( !is_single() && $paged > 1 ) { $attr = apply_filters( 'previous_posts_link_attributes', '' ); return '". preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) .''; } } /** * Display the previous posts page link. * * @since 0.71 * @uses get_previous_posts_link() * * @param string $label Optional. Previous page link text. */ function previous_posts_link( $label = null ) { echo get_previous_posts_link( $label ); } /** * Return post pages link navigation for previous and next pages. * * @since 2.8 * * @param string|array $args Optional args. * @return string The posts link navigation. */ function get_posts_nav_link( $args = array() ) { global $wp_query; $return = ''; if ( !is_singular() ) { $defaults = array( 'sep' => ' — ', 'prelabel' => __('« Previous Page'), 'nxtlabel' => __('Next Page »'), ); $args = wp_parse_args( $args, $defaults ); $max_num_pages = $wp_query->max_num_pages; $paged = get_query_var('paged'); //only have sep if there's both prev and next results if ($paged < 2 || $paged >= $max_num_pages) { $args['sep'] = ''; } if ( $max_num_pages > 1 ) { $return = get_previous_posts_link($args['prelabel']); $return .= preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $args['sep']); $return .= get_next_posts_link($args['nxtlabel']); } } return $return; } /** * Display post pages link navigation for previous and next pages. * * @since 0.71 * * @param string $sep Optional. Separator for posts navigation links. * @param string $prelabel Optional. Label for previous pages. * @param string $nxtlabel Optional Label for next pages. */ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) { $args = array_filter( compact('sep', 'prelabel', 'nxtlabel') ); echo get_posts_nav_link($args); } /** * Retrieve comments page number link. * * @since 2.7.0 * * @param int $pagenum Optional. Page number. * @return string */ function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { global $wp_rewrite; $pagenum = (int) $pagenum; $result = get_permalink(); if ( 'newest' == get_option('default_comments_page') ) { if ( $pagenum != $max_page ) { if ( $wp_rewrite->using_permalinks() ) $result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged'); else $result = add_query_arg( 'cpage', $pagenum, $result ); } } elseif ( $pagenum > 1 ) { if ( $wp_rewrite->using_permalinks() ) $result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged'); else $result = add_query_arg( 'cpage', $pagenum, $result ); } $result .= '#comments'; $result = apply_filters('get_comments_pagenum_link', $result); return $result; } /** * Return the link to next comments page. * * @since 2.7.1 * * @param string $label Optional. Label for link text. * @param int $max_page Optional. Max page. * @return string|null */ function get_next_comments_link( $label = '', $max_page = 0 ) { global $wp_query; if ( !is_singular() || !get_option('page_comments') ) return; $page = get_query_var('cpage'); $nextpage = intval($page) + 1; if ( empty($max_page) ) $max_page = $wp_query->max_num_comment_pages; if ( empty($max_page) ) $max_page = get_comment_pages_count(); if ( $nextpage > $max_page ) return; if ( empty($label) ) $label = __('Newer Comments »'); return ''. preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .''; } /** * Display the link to next comments page. * * @since 2.7.0 * * @param string $label Optional. Label for link text. * @param int $max_page Optional. Max page. */ function next_comments_link( $label = '', $max_page = 0 ) { echo get_next_comments_link( $label, $max_page ); } /** * Return the previous comments page link. * * @since 2.7.1 * * @param string $label Optional. Label for comments link text. * @return string|null */ function get_previous_comments_link( $label = '' ) { if ( !is_singular() || !get_option('page_comments') ) return; $page = get_query_var('cpage'); if ( intval($page) <= 1 ) return; $prevpage = intval($page) - 1; if ( empty($label) ) $label = __('« Older Comments'); return '' . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .''; } /** * Display the previous comments page link. * * @since 2.7.0 * * @param string $label Optional. Label for comments link text. */ function previous_comments_link( $label = '' ) { echo get_previous_comments_link( $label ); } /** * Create pagination links for the comments on the current post. * * @see paginate_links() * @since 2.7.0 * * @param string|array $args Optional args. See paginate_links(). * @return string Markup for pagination links. */ function paginate_comments_links($args = array()) { global $wp_rewrite; if ( !is_singular() || !get_option('page_comments') ) return; $page = get_query_var('cpage'); if ( !$page ) $page = 1; $max_page = get_comment_pages_count(); $defaults = array( 'base' => add_query_arg( 'cpage', '%#%' ), 'format' => '', 'total' => $max_page, 'current' => $page, 'echo' => true, 'add_fragment' => '#comments' ); if ( $wp_rewrite->using_permalinks() ) $defaults['base'] = user_trailingslashit(trailingslashit(get_permalink()) . 'comment-page-%#%', 'commentpaged'); $args = wp_parse_args( $args, $defaults ); $page_links = paginate_links( $args ); if ( $args['echo'] ) echo $page_links; else return $page_links; } /** * Retrieve the Press This bookmarklet link. * * Use this in 'a' element 'href' attribute. * * @since 2.6.0 * * @return string */ function get_shortcut_link() { // In case of breaking changes, version this. #WP20071 $link = "javascript: var d=document, w=window, e=w.getSelection, k=d.getSelection, x=d.selection, s=(e?e():(k)?k():(x?x.createRange().text:0)), f='" . admin_url('press-this.php') . "', l=d.location, e=encodeURIComponent, u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4'; a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;}; if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a(); void(0)"; $link = str_replace(array("\r", "\n", "\t"), '', $link); return apply_filters('shortcut_link', $link); } /** * Retrieve the home url for the current site. * * Returns the 'home' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @package WordPress * @since 3.0.0 * * @uses get_home_url() * * @param string $path (optional) Path relative to the home url. * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. * @return string Home url link with optional path appended. */ function home_url( $path = '', $scheme = null ) { return get_home_url( null, $path, $scheme ); } /** * Retrieve the home url for a given site. * * Returns the 'home' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @package WordPress * @since 3.0.0 * * @param int $blog_id (optional) Blog ID. Defaults to current blog. * @param string $path (optional) Path relative to the home url. * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. * @return string Home url link with optional path appended. */ function get_home_url( $blog_id = null, $path = '', $scheme = null ) { $orig_scheme = $scheme; if ( empty( $blog_id ) || !is_multisite() ) { $url = get_option( 'home' ); } else { switch_to_blog( $blog_id ); $url = get_option( 'home' ); restore_current_blog(); } if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) { if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $GLOBALS['pagenow'] ) $scheme = 'https'; else $scheme = parse_url( $url, PHP_URL_SCHEME ); } $url = set_url_scheme( $url, $scheme ); if ( $path && is_string( $path ) ) $url .= '/' . ltrim( $path, '/' ); return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id ); } /** * Retrieve the site url for the current site. * * Returns the 'site_url' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @package WordPress * @since 2.6.0 * * @uses get_site_url() * * @param string $path Optional. Path relative to the site url. * @param string $scheme Optional. Scheme to give the site url context. See set_url_scheme(). * @return string Site url link with optional path appended. */ function site_url( $path = '', $scheme = null ) { return get_site_url( null, $path, $scheme ); } /** * Retrieve the site url for a given site. * * Returns the 'site_url' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @package WordPress * @since 3.0.0 * * @param int $blog_id (optional) Blog ID. Defaults to current blog. * @param string $path Optional. Path relative to the site url. * @param string $scheme Optional. Scheme to give the site url context. Currently 'http', 'https', 'login', 'login_post', 'admin', or 'relative'. * @return string Site url link with optional path appended. */ function get_site_url( $blog_id = null, $path = '', $scheme = null ) { if ( empty( $blog_id ) || !is_multisite() ) { $url = get_option( 'siteurl' ); } else { switch_to_blog( $blog_id ); $url = get_option( 'siteurl' ); restore_current_blog(); } $url = set_url_scheme( $url, $scheme ); if ( $path && is_string( $path ) ) $url .= '/' . ltrim( $path, '/' ); return apply_filters( 'site_url', $url, $path, $scheme, $blog_id ); } /** * Retrieve the url to the admin area for the current site. * * @package WordPress * @since 2.6.0 * * @param string $path Optional path relative to the admin url. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin url link with optional path appended. */ function admin_url( $path = '', $scheme = 'admin' ) { return get_admin_url( null, $path, $scheme ); } /** * Retrieve the url to the admin area for a given site. * * @package WordPress * @since 3.0.0 * * @param int $blog_id (optional) Blog ID. Defaults to current blog. * @param string $path Optional path relative to the admin url. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin url link with optional path appended. */ function get_admin_url( $blog_id = null, $path = '', $scheme = 'admin' ) { $url = get_site_url($blog_id, 'wp-admin/', $scheme); if ( $path && is_string( $path ) ) $url .= ltrim( $path, '/' ); return apply_filters( 'admin_url', $url, $path, $blog_id ); } /** * Retrieve the url to the includes directory. * * @package WordPress * @since 2.6.0 * * @param string $path Optional. Path relative to the includes url. * @param string $scheme Optional. Scheme to give the includes url context. * @return string Includes url link with optional path appended. */ function includes_url( $path = '', $scheme = null ) { $url = site_url( '/' . WPINC . '/', $scheme ); if ( $path && is_string( $path ) ) $url .= ltrim($path, '/'); return apply_filters('includes_url', $url, $path); } /** * Retrieve the url to the content directory. * * @package WordPress * @since 2.6.0 * * @param string $path Optional. Path relative to the content url. * @return string Content url link with optional path appended. */ function content_url($path = '') { $url = set_url_scheme( WP_CONTENT_URL ); if ( $path && is_string( $path ) ) $url .= '/' . ltrim($path, '/'); return apply_filters('content_url', $url, $path); } /** * Retrieve the url to the plugins directory or to a specific file within that directory. * You can hardcode the plugin slug in $path or pass __FILE__ as a second argument to get the correct folder name. * * @package WordPress * @since 2.6.0 * * @param string $path Optional. Path relative to the plugins url. * @param string $plugin Optional. The plugin file that you want to be relative to - i.e. pass in __FILE__ * @return string Plugins url link with optional path appended. */ function plugins_url($path = '', $plugin = '') { $mu_plugin_dir = WPMU_PLUGIN_DIR; foreach ( array('path', 'plugin', 'mu_plugin_dir') as $var ) { $$var = str_replace('\\' ,'/', $$var); // sanitize for Win32 installs $$var = preg_replace('|/+|', '/', $$var); } if ( !empty($plugin) && 0 === strpos($plugin, $mu_plugin_dir) ) $url = WPMU_PLUGIN_URL; else $url = WP_PLUGIN_URL; $url = set_url_scheme( $url ); if ( !empty($plugin) && is_string($plugin) ) { $folder = dirname(plugin_basename($plugin)); if ( '.' != $folder ) $url .= '/' . ltrim($folder, '/'); } if ( $path && is_string( $path ) ) $url .= '/' . ltrim($path, '/'); return apply_filters('plugins_url', $url, $path, $plugin); } /** * Retrieve the site url for the current network. * * Returns the site url with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @package WordPress * @since 3.0.0 * * @param string $path Optional. Path relative to the site url. * @param string $scheme Optional. Scheme to give the site url context. See set_url_scheme(). * @return string Site url link with optional path appended. */ function network_site_url( $path = '', $scheme = null ) { if ( ! is_multisite() ) return site_url($path, $scheme); $current_site = get_current_site(); if ( 'relative' == $scheme ) $url = $current_site->path; else $url = set_url_scheme( 'http://' . $current_site->domain . $current_site->path, $scheme ); if ( $path && is_string( $path ) ) $url .= ltrim( $path, '/' ); return apply_filters( 'network_site_url', $url, $path, $scheme ); } /** * Retrieve the home url for the current network. * * Returns the home url with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @package WordPress * @since 3.0.0 * * @param string $path (optional) Path relative to the home url. * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. * @return string Home url link with optional path appended. */ function network_home_url( $path = '', $scheme = null ) { if ( ! is_multisite() ) return home_url($path, $scheme); $current_site = get_current_site(); $orig_scheme = $scheme; if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) $scheme = is_ssl() && ! is_admin() ? 'https' : 'http'; if ( 'relative' == $scheme ) $url = $current_site->path; else $url = set_url_scheme( 'http://' . $current_site->domain . $current_site->path, $scheme ); if ( $path && is_string( $path ) ) $url .= ltrim( $path, '/' ); return apply_filters( 'network_home_url', $url, $path, $orig_scheme); } /** * Retrieve the url to the admin area for the network. * * @package WordPress * @since 3.0.0 * * @param string $path Optional path relative to the admin url. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin url link with optional path appended. */ function network_admin_url( $path = '', $scheme = 'admin' ) { if ( ! is_multisite() ) return admin_url( $path, $scheme ); $url = network_site_url('wp-admin/network/', $scheme); if ( $path && is_string( $path ) ) $url .= ltrim($path, '/'); return apply_filters('network_admin_url', $url, $path); } /** * Retrieve the url to the admin area for the current user. * * @package WordPress * @since 3.0.0 * * @param string $path Optional path relative to the admin url. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin url link with optional path appended. */ function user_admin_url( $path = '', $scheme = 'admin' ) { $url = network_site_url('wp-admin/user/', $scheme); if ( $path && is_string( $path ) ) $url .= ltrim($path, '/'); return apply_filters('user_admin_url', $url, $path); } /** * Retrieve the url to the admin area for either the current blog or the network depending on context. * * @package WordPress * @since 3.1.0 * * @param string $path Optional path relative to the admin url. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin url link with optional path appended. */ function self_admin_url($path = '', $scheme = 'admin') { if ( is_network_admin() ) return network_admin_url($path, $scheme); elseif ( is_user_admin() ) return user_admin_url($path, $scheme); else return admin_url($path, $scheme); } /** * Set the scheme for a URL * * @since 3.4.0 * * @param string $url Absolute url that includes a scheme * @param string $scheme Optional. Scheme to give $url. Currently 'http', 'https', 'login', 'login_post', 'admin', or 'relative'. * @return string $url URL with chosen scheme. */ function set_url_scheme( $url, $scheme = null ) { $orig_scheme = $scheme; if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) { if ( ( 'login_post' == $scheme || 'rpc' == $scheme ) && ( force_ssl_login() || force_ssl_admin() ) ) $scheme = 'https'; elseif ( ( 'login' == $scheme ) && force_ssl_admin() ) $scheme = 'https'; elseif ( ( 'admin' == $scheme ) && force_ssl_admin() ) $scheme = 'https'; else $scheme = ( is_ssl() ? 'https' : 'http' ); } $url = trim( $url ); if ( substr( $url, 0, 2 ) === '//' ) $url = 'http:' . $url; if ( 'relative' == $scheme ) { $url = ltrim( preg_replace( '#^\w+://[^/]*#', '', $url ) ); if ( $url !== '' && $url[0] === '/' ) $url = '/' . ltrim($url , "/ \t\n\r\0\x0B" ); } else { $url = preg_replace( '#^\w+://#', $scheme . '://', $url ); } return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme ); } /** * Get the URL to the user's dashboard. * * If a user does not belong to any site, the global user dashboard is used. If the user belongs to the current site, * the dashboard for the current site is returned. If the user cannot edit the current site, the dashboard to the user's * primary blog is returned. * * @since 3.1.0 * * @param int $user_id User ID * @param string $path Optional path relative to the dashboard. Use only paths known to both blog and user admins. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Dashboard url link with optional path appended. */ function get_dashboard_url( $user_id, $path = '', $scheme = 'admin' ) { $user_id = (int) $user_id; $blogs = get_blogs_of_user( $user_id ); if ( ! is_super_admin() && empty($blogs) ) { $url = user_admin_url( $path, $scheme ); } elseif ( ! is_multisite() ) { $url = admin_url( $path, $scheme ); } else { $current_blog = get_current_blog_id(); if ( $current_blog && ( is_super_admin( $user_id ) || in_array( $current_blog, array_keys( $blogs ) ) ) ) { $url = admin_url( $path, $scheme ); } else { $active = get_active_blog_for_user( $user_id ); if ( $active ) $url = get_admin_url( $active->blog_id, $path, $scheme ); else $url = user_admin_url( $path, $scheme ); } } return apply_filters( 'user_dashboard_url', $url, $user_id, $path, $scheme); } /** * Get the URL to the user's profile editor. * * @since 3.1.0 * * @param int $user User ID * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Dashboard url link with optional path appended. */ function get_edit_profile_url( $user, $scheme = 'admin' ) { $user = (int) $user; if ( is_user_admin() ) $url = user_admin_url( 'profile.php', $scheme ); elseif ( is_network_admin() ) $url = network_admin_url( 'profile.php', $scheme ); else $url = get_dashboard_url( $user, 'profile.php', $scheme ); return apply_filters( 'edit_profile_url', $url, $user, $scheme); } /** * Output rel=canonical for singular queries. * * @package WordPress * @since 2.9.0 */ function rel_canonical() { if ( !is_singular() ) return; global $wp_the_query; if ( !$id = $wp_the_query->get_queried_object_id() ) return; $link = get_permalink( $id ); if ( $page = get_query_var('cpage') ) $link = get_comments_pagenum_link( $page ); echo "\n"; } /** * Return a shortlink for a post, page, attachment, or blog. * * This function exists to provide a shortlink tag that all themes and plugins can target. A plugin must hook in to * provide the actual shortlinks. Default shortlink support is limited to providing ?p= style links for posts. * Plugins can short-circuit this function via the pre_get_shortlink filter or filter the output * via the get_shortlink filter. * * @since 3.0.0. * * @param int $id A post or blog id. Default is 0, which means the current post or blog. * @param string $context Whether the id is a 'blog' id, 'post' id, or 'media' id. If 'post', the post_type of the post is consulted. If 'query', the current query is consulted to determine the id and context. Default is 'post'. * @param bool $allow_slugs Whether to allow post slugs in the shortlink. It is up to the plugin how and whether to honor this. * @return string A shortlink or an empty string if no shortlink exists for the requested resource or if shortlinks are not enabled. */ function wp_get_shortlink($id = 0, $context = 'post', $allow_slugs = true) { // Allow plugins to short-circuit this function. $shortlink = apply_filters('pre_get_shortlink', false, $id, $context, $allow_slugs); if ( false !== $shortlink ) return $shortlink; global $wp_query; $post_id = 0; if ( 'query' == $context && is_singular() ) { $post_id = $wp_query->get_queried_object_id(); $post = get_post( $post_id ); } elseif ( 'post' == $context ) { $post = get_post( $id ); if ( ! empty( $post->ID ) ) $post_id = $post->ID; } $shortlink = ''; // Return p= link for all public post types. if ( ! empty( $post_id ) ) { $post_type = get_post_type_object( $post->post_type ); if ( $post_type->public ) $shortlink = home_url('?p=' . $post_id); } return apply_filters('get_shortlink', $shortlink, $id, $context, $allow_slugs); } /** * Inject rel=shortlink into head if a shortlink is defined for the current page. * * Attached to the wp_head action. * * @since 3.0.0 * * @uses wp_get_shortlink() */ function wp_shortlink_wp_head() { $shortlink = wp_get_shortlink( 0, 'query' ); if ( empty( $shortlink ) ) return; echo "\n"; } /** * Send a Link: rel=shortlink header if a shortlink is defined for the current page. * * Attached to the wp action. * * @since 3.0.0 * * @uses wp_get_shortlink() */ function wp_shortlink_header() { if ( headers_sent() ) return; $shortlink = wp_get_shortlink(0, 'query'); if ( empty($shortlink) ) return; header('Link: <' . $shortlink . '>; rel=shortlink', false); } /** * Display the Short Link for a Post * * Must be called from inside "The Loop" * * Call like the_shortlink(__('Shortlinkage FTW')) * * @since 3.0.0 * * @param string $text Optional The link text or HTML to be displayed. Defaults to 'This is the short link.' * @param string $title Optional The tooltip for the link. Must be sanitized. Defaults to the sanitized post title. * @param string $before Optional HTML to display before the link. * @param string $after Optional HTML to display after the link. */ function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) { $post = get_post(); if ( empty( $text ) ) $text = __('This is the short link.'); if ( empty( $title ) ) $title = the_title_attribute( array( 'echo' => false ) ); $shortlink = wp_get_shortlink( $post->ID ); if ( !empty( $shortlink ) ) { $link = '' . $text . ''; $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); echo $before, $link, $after; } }