<?php /** * WordPress Link Template Functions * * @package WordPress * @subpackage Template */ /** * Display the permalink for the current post. * * @since 1.2.0 * @uses apply_filters() Calls 'the_permalink' filter on the permalink string. */ function the_permalink() { echo apply_filters('the_permalink', get_permalink()); } /** * Retrieve trailing slash string, if blog set for adding trailing slashes. * * Conditionally adds a trailing slash if the permalink structure has a trailing * slash, strips the trailing slash if not. The string is passed through the * 'user_trailingslashit' filter. Will remove trailing slash from string, if * blog is not set to have them. * * @since 2.2.0 * @uses $wp_rewrite * * @param string $string URL with or without a trailing slash. * @param string $type_of_url The type of URL being considered (e.g. single, category, etc) for use in the filter. * @return string */ function user_trailingslashit($string, $type_of_url = '') { global $wp_rewrite; if ( $wp_rewrite->use_trailing_slashes ) $string = trailingslashit($string); else $string = untrailingslashit($string); // Note that $type_of_url can be one of following: // single, single_trackback, single_feed, single_paged, feed, category, page, year, month, day, paged, post_type_archive $string = apply_filters('user_trailingslashit', $string, $type_of_url); return $string; } /** * Display permalink anchor for current post. * * The permalink mode title will use the post title for the 'a' element 'id' * attribute. The id mode uses 'post-' with the post ID for the 'id' attribute. * * @since 0.71 * * @param string $mode Permalink mode can be either 'title', 'id', or default, which is 'id'. */ function permalink_anchor($mode = 'id') { global $post; switch ( strtolower($mode) ) { case 'title': $title = sanitize_title($post->post_title) . '-' . $post->ID; echo '<a id="'.$title.'"></a>'; break; case 'id': default: echo '<a id="post-' . $post->ID . '"></a>'; break; } } /** * Retrieve full permalink for current post or post ID. * * @since 1.0.0 * * @param int $id Optional. Post ID. * @param bool $leavename Optional, defaults to false. Whether to keep post name or page name. * @return string */ function get_permalink($id = 0, $leavename = false) { $rewritecode = array( '%year%', '%monthnum%', '%day%', '%hour%', '%minute%', '%second%', $leavename? '' : '%postname%', '%post_id%', '%category%', '%author%', $leavename? '' : '%pagename%', ); if ( is_object($id) && isset($id->filter) && 'sample' == $id->filter ) { $post = $id; $sample = true; } else { $post = &get_post($id); $sample = false; } if ( empty($post->ID) ) return false; if ( $post->post_type == 'page' ) return get_page_link($post->ID, $leavename, $sample); elseif ( $post->post_type == 'attachment' ) return get_attachment_link($post->ID); elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) ) return get_post_permalink($post->ID, $leavename, $sample); $permalink = get_option('permalink_structure'); $permalink = apply_filters('pre_post_link', $permalink, $post, $leavename); if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending', 'auto-draft')) ) { $unixtime = strtotime($post->post_date); $category = ''; if ( strpos($permalink, '%category%') !== false ) { $cats = get_the_category($post->ID); if ( $cats ) { usort($cats, '_usort_terms_by_ID'); // order by ID $category = $cats[0]->slug; if ( $parent = $cats[0]->parent ) $category = get_category_parents($parent, false, '/', true) . $category; } // show default category in permalinks, without // having to assign it explicitly if ( empty($category) ) { $default_category = get_category( get_option( 'default_category' ) ); $category = is_wp_error( $default_category ) ? '' : $default_category->slug; } } $author = ''; if ( strpos($permalink, '%author%') !== false ) { $authordata = get_userdata($post->post_author); $author = $authordata->user_nicename; } $date = explode(" ",date('Y m d H i s', $unixtime)); $rewritereplace = array( $date[0], $date[1], $date[2], $date[3], $date[4], $date[5], $post->post_name, $post->ID, $category, $author, $post->post_name, ); $permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) ); $permalink = user_trailingslashit($permalink, 'single'); } else { // if they're not using the fancy permalink option $permalink = home_url('?p=' . $post->ID); } return apply_filters('post_link', $permalink, $post, $leavename); } /** * Retrieve the permalink for a post with a custom post type. * * @since 3.0.0 * * @param int $id Optional. Post ID. * @param bool $leavename Optional, defaults to false. Whether to keep post name. * @param bool $sample Optional, defaults to false. Is it a sample permalink. * @return string */ function get_post_permalink( $id = 0, $leavename = false, $sample = false ) { global $wp_rewrite; $post = &get_post($id); if ( is_wp_error( $post ) ) return $post; $post_link = $wp_rewrite->get_extra_permastruct($post->post_type); $slug = $post->post_name; $draft_or_pending = isset($post->post_status) && in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) ); $post_type = get_post_type_object($post->post_type); if ( !empty($post_link) && ( !$draft_or_pending || $sample ) ) { if ( ! $leavename ) { if ( $post_type->hierarchical ) $slug = get_page_uri($id); $post_link = str_replace("%$post->post_type%", $slug, $post_link); } $post_link = home_url( user_trailingslashit($post_link) ); } else { if ( $post_type->query_var && ( isset($post->post_status) && !$draft_or_pending ) ) $post_link = add_query_arg($post_type->query_var, $slug, ''); else $post_link = add_query_arg(array('post_type' => $post->post_type, 'p' => $post->ID), ''); $post_link = home_url($post_link); } return apply_filters('post_type_link', $post_link, $post, $leavename, $sample); } /** * Retrieve permalink from post ID. * * @since 1.0.0 * * @param int $post_id Optional. Post ID. * @param mixed $deprecated Not used. * @return string */ function post_permalink( $post_id = 0, $deprecated = '' ) { if ( !empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '1.3' ); return get_permalink($post_id); } /** * Retrieve the permalink for current page or page ID. * * Respects page_on_front. Use this one. * * @since 1.5.0 * * @param int $id Optional. Post ID. * @param bool $leavename Optional, defaults to false. Whether to keep page name. * @param bool $sample Optional, defaults to false. Is it a sample permalink. * @return string */ function get_page_link( $id = false, $leavename = false, $sample = false ) { global $post; $id = (int) $id; if ( !$id ) $id = (int) $post->ID; if ( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) $link = home_url('/'); else $link = _get_page_link( $id , $leavename, $sample ); return apply_filters('page_link', $link, $id, $sample); } /** * Retrieve the page permalink. * * Ignores page_on_front. Internal use only. * * @since 2.1.0 * @access private * * @param int $id Optional. Post ID. * @param bool $leavename Optional. Leave name. * @param bool $sample Optional. Sample permalink. * @return string */ function _get_page_link( $id = false, $leavename = false, $sample = false ) { global $post, $wp_rewrite; if ( !$id ) $id = (int) $post->ID; else $post = &get_post($id); $draft_or_pending = in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) ); $link = $wp_rewrite->get_page_permastruct(); if ( !empty($link) && ( ( isset($post->post_status) && !$draft_or_pending ) || $sample ) ) { if ( ! $leavename ) { $link = str_replace('%pagename%', get_page_uri($id), $link); } $link = home_url($link); $link = user_trailingslashit($link, 'page'); } else { $link = home_url("?page_id=$id"); } return apply_filters( '_get_page_link', $link, $id ); } /** * Retrieve permalink for attachment. * * This can be used in the WordPress Loop or outside of it. * * @since 2.0.0 * * @param int $id Optional. Post ID. * @return string */ function get_attachment_link($id = false) { global $post, $wp_rewrite; $link = false; if ( ! $id) $id = (int) $post->ID; $object = get_post($id); if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) && ($object->post_parent != $id) ) { $parent = get_post($object->post_parent); if ( 'page' == $parent->post_type ) $parentlink = _get_page_link( $object->post_parent ); // Ignores page_on_front else $parentlink = get_permalink( $object->post_parent ); if ( is_numeric($object->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') ) $name = 'attachment/' . $object->post_name; // <permalink>/<int>/ is paged so we use the explicit attachment marker else $name = $object->post_name; if ( strpos($parentlink, '?') === false ) $link = user_trailingslashit( trailingslashit($parentlink) . $name ); } if ( ! $link ) $link = home_url( "/?attachment_id=$id" ); return apply_filters('attachment_link', $link, $id); } /** * Retrieve the permalink for the year archives. * * @since 1.5.0 * * @param int|bool $year False for current year or year for permalink. * @return string */ function get_year_link($year) { global $wp_rewrite; if ( !$year ) $year = gmdate('Y', current_time('timestamp')); $yearlink = $wp_rewrite->get_year_permastruct(); if ( !empty($yearlink) ) { $yearlink = str_replace('%year%', $year, $yearlink); return apply_filters('year_link', home_url( user_trailingslashit($yearlink, 'year') ), $year); } else { return apply_filters('year_link', home_url('?m=' . $year), $year); } } /** * Retrieve the permalink for the month archives with year. * * @since 1.0.0 * * @param bool|int $year False for current year. Integer of year. * @param bool|int $month False for current month. Integer of month. * @return string */ function get_month_link($year, $month) { global $wp_rewrite; if ( !$year ) $year = gmdate('Y', current_time('timestamp')); if ( !$month ) $month = gmdate('m', current_time('timestamp')); $monthlink = $wp_rewrite->get_month_permastruct(); if ( !empty($monthlink) ) { $monthlink = str_replace('%year%', $year, $monthlink); $monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink); return apply_filters('month_link', home_url( user_trailingslashit($monthlink, 'month') ), $year, $month); } else { return apply_filters('month_link', home_url( '?m=' . $year . zeroise($month, 2) ), $year, $month); } } /** * Retrieve the permalink for the day archives with year and month. * * @since 1.0.0 * * @param bool|int $year False for current year. Integer of year. * @param bool|int $month False for current month. Integer of month. * @param bool|int $day False for current day. Integer of day. * @return string */ function get_day_link($year, $month, $day) { global $wp_rewrite; if ( !$year ) $year = gmdate('Y', current_time('timestamp')); if ( !$month ) $month = gmdate('m', current_time('timestamp')); if ( !$day ) $day = gmdate('j', current_time('timestamp')); $daylink = $wp_rewrite->get_day_permastruct(); if ( !empty($daylink) ) { $daylink = str_replace('%year%', $year, $daylink); $daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink); $daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink); return apply_filters('day_link', home_url( user_trailingslashit($daylink, 'day') ), $year, $month, $day); } else { return apply_filters('day_link', home_url( '?m=' . $year . zeroise($month, 2) . zeroise($day, 2) ), $year, $month, $day); } } /** * Display the permalink for the feed type. * * @since 3.0.0 * * @param string $anchor The link's anchor text. * @param string $feed Optional, defaults to default feed. Feed type. */ function the_feed_link( $anchor, $feed = '' ) { $link = '<a href="' . esc_url( get_feed_link( $feed ) ) . '">' . $anchor . '</a>'; echo apply_filters( 'the_feed_link', $link, $feed ); } /** * Retrieve the permalink for the feed type. * * @since 1.5.0 * * @param string $feed Optional, defaults to default feed. Feed type. * @return string */ function get_feed_link($feed = '') { global $wp_rewrite; $permalink = $wp_rewrite->get_feed_permastruct(); if ( '' != $permalink ) { if ( false !== strpos($feed, 'comments_') ) { $feed = str_replace('comments_', '', $feed); $permalink = $wp_rewrite->get_comment_feed_permastruct(); } if ( get_default_feed() == $feed ) $feed = ''; $permalink = str_replace('%feed%', $feed, $permalink); $permalink = preg_replace('#/+#', '/', "/$permalink"); $output = home_url( user_trailingslashit($permalink, 'feed') ); } else { if ( empty($feed) ) $feed = get_default_feed(); if ( false !== strpos($feed, 'comments_') ) $feed = str_replace('comments_', 'comments-', $feed); $output = home_url("?feed={$feed}"); } return apply_filters('feed_link', $output, $feed); } /** * Retrieve the permalink for the post comments feed. * * @since 2.2.0 * * @param int $post_id Optional. Post ID. * @param string $feed Optional. Feed type. * @return string */ function get_post_comments_feed_link($post_id = 0, $feed = '') { $post_id = absint( $post_id ); if ( ! $post_id ) $post_id = get_the_ID(); if ( empty( $feed ) ) $feed = get_default_feed(); if ( '' != get_option('permalink_structure') ) { if ( 'page' == get_option('show_on_front') && $post_id == get_option('page_on_front') ) $url = _get_page_link( $post_id ); else $url = get_permalink($post_id); $url = trailingslashit($url) . 'feed'; if ( $feed != get_default_feed() ) $url .= "/$feed"; $url = user_trailingslashit($url, 'single_feed'); } else { $type = get_post_field('post_type', $post_id); if ( 'page' == $type ) $url = home_url("?feed=$feed&page_id=$post_id"); else $url = home_url("?feed=$feed&p=$post_id"); } return apply_filters('post_comments_feed_link', $url); } /** * Display the comment feed link for a post. * * Prints out the comment feed link for a post. Link text is placed in the * anchor. If no link text is specified, default text is used. If no post ID is * specified, the current post is used. * * @package WordPress * @subpackage Feed * @since 2.5.0 * * @param 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 = '' ) { $url = get_post_comments_feed_link($post_id, $feed); if ( empty($link_text) ) $link_text = __('Comments Feed'); echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $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 post 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 taxonomy. * * Returns a link to the feed for all post 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 taxonomy specified by $term_id and $taxonomy. */ function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) { global $wp_rewrite; $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( 'category_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 int|object $tag Tag object or ID * @return string HTML content. */ function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) { $link = edit_term_link( $link, '', '', false, $tag ); 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(); } $tax = get_taxonomy( $term->taxonomy ); if ( !current_user_can($tax->cap->edit_terms) ) return; if ( empty( $link ) ) $link = __('Edit This'); $link = '<a href="' . get_edit_term_link( $term->term_id, $term->taxonomy ) . '" title="' . $link . '">' . $link . '</a>'; $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 ( $post_type_obj->rewrite['feeds'] && get_option( 'permalink_structure' ) ) { $link = trailingslashit($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, default 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 ( '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( $post_type_object->cap->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 = '<a class="post-edit-link" href="' . $url . '" title="' . esc_attr( $post_type_obj->labels->edit_item ) . '">' . $link . '</a>'; 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( $post_type_object->cap->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-{$post->post_type}_{$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 = '<a class="comment-edit-link" href="' . get_edit_comment_link( $comment->comment_ID ) . '" title="' . esc_attr__( 'Edit comment' ) . '">' . $link . '</a>'; 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 = '<a href="' . get_edit_bookmark_link( $bookmark ) . '" title="' . esc_attr__( 'Edit Link' ) . '">' . $link . '</a>'; echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after; } // Navigation links /** * Retrieve previous post that is adjacent to current post. * * @since 1.5.0 * * @param bool $in_same_cat Optional. Whether post should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @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_cat = false, $excluded_categories = '') { return get_adjacent_post($in_same_cat, $excluded_categories); } /** * Retrieve next post that is adjacent to current post. * * @since 1.5.0 * * @param bool $in_same_cat Optional. Whether post should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @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_cat = false, $excluded_categories = '') { return get_adjacent_post($in_same_cat, $excluded_categories, false); } /** * Retrieve adjacent post. * * Can either be next or previous post. * * @since 2.5.0 * * @param bool $in_same_cat Optional. Whether post should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @param bool $previous Optional. Whether to retrieve previous post. * @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_cat = false, $excluded_categories = '', $previous = true) { global $post, $wpdb; if ( empty( $post ) ) return null; $current_post_date = $post->post_date; $join = ''; $posts_in_ex_cats_sql = ''; if ( $in_same_cat || !empty($excluded_categories) ) { $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_cat ) { $cat_array = wp_get_object_terms($post->ID, 'category', array('fields' => 'ids')); $join .= " AND tt.taxonomy = 'category' AND tt.term_id IN (" . implode(',', $cat_array) . ")"; } $posts_in_ex_cats_sql = "AND tt.taxonomy = 'category'"; if ( !empty($excluded_categories) ) { $excluded_categories = array_map('intval', explode(' and ', $excluded_categories)); if ( !empty($cat_array) ) { $excluded_categories = array_diff($excluded_categories, $cat_array); $posts_in_ex_cats_sql = ''; } if ( !empty($excluded_categories) ) { $posts_in_ex_cats_sql = " AND tt.taxonomy = 'category' AND tt.term_id NOT IN (" . implode($excluded_categories, ',') . ')'; } } } $adjacent = $previous ? 'previous' : 'next'; $op = $previous ? '<' : '>'; $order = $previous ? 'DESC' : 'ASC'; $join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories ); $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date, $post->post_type), $in_same_cat, $excluded_categories ); $sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" ); $query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort"; $query_key = 'adjacent_post_' . md5($query); $result = wp_cache_get($query_key, 'counts'); if ( false !== $result ) return $result; $result = $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort"); if ( null === $result ) $result = ''; wp_cache_set($query_key, $result, 'counts'); 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_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @param bool $previous Optional, default is true. Whether display link to previous post. * @return string */ function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $previous = true) { if ( $previous && is_attachment() && is_object( $GLOBALS['post'] ) ) $post = & get_post($GLOBALS['post']->post_parent); else $post = get_adjacent_post($in_same_cat,$excluded_categories,$previous); if ( empty($post) ) return; if ( empty($post->post_title) ) $post->post_title = $previous ? __('Previous Post') : __('Next Post'); $date = mysql2date(get_option('date_format'), $post->post_date); $title = str_replace('%title', $post->post_title, $title); $title = str_replace('%date', $date, $title); $title = apply_filters('the_title', $title, $post->ID); $link = $previous ? "<link rel='prev' title='" : "<link rel='next' title='"; $link .= esc_attr( $title ); $link .= "' href='" . get_permalink($post) . "' />\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_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. */ function adjacent_posts_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true); echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false); } /** * 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_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. */ function next_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false); } /** * 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_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. */ function prev_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true); } /** * Retrieve boundary post. * * Boundary being either the first or last post by publish date within the constraints specified * by in same category or excluded categories. * * @since 2.8.0 * * @param bool $in_same_cat Optional. Whether returned post should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @param bool $start Optional. Whether to retrieve first or last post. * @return object */ function get_boundary_post($in_same_cat = false, $excluded_categories = '', $start = true) { global $post; if ( empty($post) || !is_single() || is_attachment() ) return null; $cat_array = array(); $excluded_categories = array(); if ( !empty($in_same_cat) || !empty($excluded_categories) ) { if ( !empty($in_same_cat) ) { $cat_array = wp_get_object_terms($post->ID, 'category', array('fields' => 'ids')); } if ( !empty($excluded_categories) ) { $excluded_categories = array_map('intval', explode(',', $excluded_categories)); if ( !empty($cat_array) ) $excluded_categories = array_diff($excluded_categories, $cat_array); $inverse_cats = array(); foreach ( $excluded_categories as $excluded_category) $inverse_cats[] = $excluded_category * -1; $excluded_categories = $inverse_cats; } } $categories = implode(',', array_merge($cat_array, $excluded_categories) ); $order = $start ? 'ASC' : 'DESC'; return get_posts( array('numberposts' => 1, 'category' => $categories, 'order' => $order, 'update_post_term_cache' => false, 'update_post_meta_cache' => false) ); } /** * Get boundary post relational link. * * Can either be start or end post relational link. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @param bool $in_same_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @param bool $start Optional, default is true. Whether display link to first or last post. * @return string */ function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) { $posts = get_boundary_post($in_same_cat, $excluded_categories, $start); // If there is no post stop. if ( empty($posts) ) return; // Even though we limited get_posts to return only 1 item it still returns an array of objects. $post = $posts[0]; if ( empty($post->post_title) ) $post->post_title = $start ? __('First Post') : __('Last Post'); $date = mysql2date(get_option('date_format'), $post->post_date); $title = str_replace('%title', $post->post_title, $title); $title = str_replace('%date', $date, $title); $title = apply_filters('the_title', $title, $post->ID); $link = $start ? "<link rel='start' title='" : "<link rel='end' title='"; $link .= esc_attr($title); $link .= "' href='" . get_permalink($post) . "' />\n"; $boundary = $start ? 'start' : 'end'; return apply_filters( "{$boundary}_post_rel_link", $link ); } /** * Display relational link for the first post. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @param bool $in_same_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. */ function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true); } /** * Get site index relational link. * * @since 2.8.0 * * @return string */ function get_index_rel_link() { $link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n"; return apply_filters( "index_rel_link", $link ); } /** * Display relational link for the site index. * * @since 2.8.0 */ function index_rel_link() { echo get_index_rel_link(); } /** * Get parent post relational link. * * @since 2.8.0 * * @param string $title Optional. Link title format. * @return string */ function get_parent_post_rel_link($title = '%title') { if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) ) $post = & get_post($GLOBALS['post']->post_parent); if ( empty($post) ) return; $date = mysql2date(get_option('date_format'), $post->post_date); $title = str_replace('%title', $post->post_title, $title); $title = str_replace('%date', $date, $title); $title = apply_filters('the_title', $title, $post->ID); $link = "<link rel='up' title='"; $link .= esc_attr( $title ); $link .= "' href='" . get_permalink($post) . "' />\n"; return apply_filters( "parent_post_rel_link", $link ); } /** * Display relational link for parent item * * @since 2.8.0 */ function parent_post_rel_link($title = '%title') { echo get_parent_post_rel_link($title); } /** * Display previous post link that is adjacent to the current post. * * @since 1.5.0 * * @param string $format Optional. Link anchor format. * @param string $link Optional. Link permalink format. * @param bool $in_same_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. */ function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') { adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true); } /** * Display next post link that is adjacent to the current post. * * @since 1.5.0 * * @param string $format Optional. Link anchor format. * @param string $link Optional. Link permalink format. * @param bool $in_same_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. */ function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') { adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false); } /** * Display adjacent post link. * * Can be either next post link or previous. * * @since 2.5.0 * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_cat Optional. Whether link should be in same category. * @param string $excluded_categories Optional. Excluded categories IDs. * @param bool $previous Optional, default is true. Whether display link to previous post. */ function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) { if ( $previous && is_attachment() ) $post = & get_post($GLOBALS['post']->post_parent); else $post = get_adjacent_post($in_same_cat, $excluded_categories, $previous); if ( !$post ) return; $title = $post->post_title; if ( empty($post->post_title) ) $title = $previous ? __('Previous Post') : __('Next Post'); $title = apply_filters('the_title', $title, $post->ID); $date = mysql2date(get_option('date_format'), $post->post_date); $rel = $previous ? 'prev' : 'next'; $string = '<a href="'.get_permalink($post).'" rel="'.$rel.'">'; $link = str_replace('%title', $title, $link); $link = str_replace('%date', $date, $link); $link = $string . $link . '</a>'; $format = str_replace('%link', $link, $format); $adjacent = $previous ? 'previous' : 'next'; echo apply_filters( "{$adjacent}_post_link", $format, $link ); } /** * Retrieve get links for page numbers. * * @since 1.5.0 * * @param int $pagenum Optional. Page ID. * @return string */ function get_pagenum_link($pagenum = 1) { 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( trailingslashit( $home_root ), '|' ); $request = preg_replace('|^'. $home_root . '|', '', $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( '|^index\.php|', '', $request); $request = ltrim($request, '/'); $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) ) $base .= 'index.php/'; 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); return $result; } /** * Retrieve next posts pages 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 pages 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 pages 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 '<a href="' . next_posts( $max_page, false ) . "\" $attr>" . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) . '</a>'; } } /** * Display the next posts pages 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 post pages 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 pages 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 pages 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 '<a href="' . previous_posts( false ) . "\" $attr>". preg_replace( '/&([^#])(?![a-z]{1,8};)/', '&$1', $label ) .'</a>'; } } /** * 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 page numbers links. * * @since 2.7.0 * * @param int $pagenum Optional. Page number. * @return string */ function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { global $post, $wp_rewrite; $pagenum = (int) $pagenum; $result = get_permalink( $post->ID ); 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 pages. * * @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 '<a href="' . esc_url( get_comments_pagenum_link( $nextpage, $max_page ) ) . '" ' . apply_filters( 'next_comments_link_attributes', '' ) . '>'. preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .'</a>'; } /** * Display the link to next comments pages. * * @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 '<a href="' . esc_url( get_comments_pagenum_link( $prevpage ) ) . '" ' . apply_filters( 'previous_comments_link_attributes', '' ) . '>' . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .'</a>'; } /** * 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 shortcut link. * * Use this in 'a' element 'href' attribute. * * @since 2.6.0 * * @return string */ function get_shortcut_link() { $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' * @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' * @return string Home url link with optional path appended. */ function get_home_url( $blog_id = null, $path = '', $scheme = null ) { $orig_scheme = $scheme; if ( !in_array( $scheme, array( 'http', 'https' ) ) ) $scheme = is_ssl() && !is_admin() ? 'https' : 'http'; if ( empty( $blog_id ) || !is_multisite() ) $url = get_option( 'home' ); else $url = get_blog_option( $blog_id, 'home' ); if ( 'http' != $scheme ) $url = str_replace( 'http://', "$scheme://", $url ); if ( !empty( $path ) && is_string( $path ) && strpos( $path, '..' ) === false ) $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. Currently 'http','https', 'login', 'login_post', or 'admin'. * @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', or 'admin'. * @return string Site url link with optional path appended. */ function get_site_url( $blog_id = null, $path = '', $scheme = null ) { // should the list of allowed schemes be maintained elsewhere? $orig_scheme = $scheme; if ( !in_array( $scheme, array( 'http', 'https' ) ) ) { 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' ); } if ( empty( $blog_id ) || !is_multisite() ) $url = get_option( 'siteurl' ); else $url = get_blog_option( $blog_id, 'siteurl' ); if ( 'http' != $scheme ) $url = str_replace( 'http://', "{$scheme}://", $url ); if ( !empty( $path ) && is_string( $path ) && strpos( $path, '..' ) === false ) $url .= '/' . ltrim( $path, '/' ); return apply_filters( 'site_url', $url, $path, $orig_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/', $scheme); if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= ltrim($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 $path Optional. Path relative to the includes url. * @return string Includes url link with optional path appended. */ function includes_url($path = '') { $url = site_url() . '/' . WPINC . '/'; if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= ltrim($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 = '') { $url = WP_CONTENT_URL; if ( 0 === strpos($url, 'http') && is_ssl() ) $url = str_replace( 'http://', 'https://', $url ); if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= '/' . ltrim($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 $url = WP_PLUGIN_URL; if ( 0 === strpos($url, 'http') && is_ssl() ) $url = str_replace( 'http://', 'https://', $url ); if ( !empty($plugin) && is_string($plugin) ) { $folder = dirname(plugin_basename($plugin)); if ( '.' != $folder ) $url .= '/' . ltrim($folder, '/'); } if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= '/' . ltrim($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. Currently 'http','https', 'login', 'login_post', or 'admin'. * @return string Site url link with optional path appended. */ function network_site_url( $path = '', $scheme = null ) { global $current_site; if ( !is_multisite() ) return site_url($path, $scheme); $orig_scheme = $scheme; if ( !in_array($scheme, array('http', 'https')) ) { 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 = $scheme . '://' . $current_site->domain . $current_site->path; if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= ltrim($path, '/'); return apply_filters('network_site_url', $url, $path, $orig_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' * @return string Home url link with optional path appended. */ function network_home_url( $path = '', $scheme = null ) { global $current_site; if ( !is_multisite() ) return home_url($path, $scheme); $orig_scheme = $scheme; if ( !in_array($scheme, array('http', 'https')) ) $scheme = is_ssl() && !is_admin() ? 'https' : 'http'; $url = $scheme . '://' . $current_site->domain . $current_site->path; if ( !empty( $path ) && is_string( $path ) && strpos( $path, '..' ) === false ) $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/', $scheme); if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= ltrim($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/', $scheme); if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) $url .= ltrim($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); } /** * Get the URL to the user's dashboard. * * If a user does not belong to any sites, 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( $user_id ); if ( empty($blogs) ) { $url = user_admin_url( $path, $scheme ); } elseif ( ! is_multisite() ) { $url = admin_url( $path, $scheme ); } else { $current_blog = get_current_blog_id(); if ( $current_blog && in_array($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( $id ); echo "<link rel='canonical' href='$link' />\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_single() ) { $post_id = $wp_query->get_queried_object_id(); } elseif ( 'post' == $context ) { $post = get_post($id); $post_id = $post->ID; } $shortlink = ''; // Return p= link for posts. if ( !empty($post_id) && '' != get_option('permalink_structure') ) { $post = get_post($post_id); if ( isset($post->post_type) && 'post' == $post->post_type ) $shortlink = home_url('?p=' . $post->ID); } return apply_filters('get_shortlink', $shortlink, $id, $context, $allow_slugs); } /** * Inject rel=sortlink 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 "<link rel='shortlink' href='" . esc_url( $shortlink ) . "' />\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 $before Optional HTML to display after the link. */ function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) { global $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 = '<a rel="shortlink" href="' . esc_url( $shortlink ) . '" title="' . $title . '">' . $text . '</a>'; $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); echo $before, $link, $after; } } ?>