X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/3f5685912e89eb3b0534acd85aa0946b1ca2bbe3..a6f44f0edcda2471c5a33e4156c1c9488c7f3210:/wp-includes/link-template.php diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php index 4a1787db..1029d9df 100644 --- a/wp-includes/link-template.php +++ b/wp-includes/link-template.php @@ -13,7 +13,7 @@ * @uses apply_filters() Calls 'the_permalink' filter on the permalink string. */ function the_permalink() { - echo apply_filters('the_permalink', get_permalink()); + echo esc_url( apply_filters( 'the_permalink', get_permalink() ) ); } /** @@ -27,8 +27,8 @@ function the_permalink() { * @since 2.2.0 * @uses $wp_rewrite * - * @param $string String a URL with or without a trailing slash. - * @param $type_of_url String the type of URL being considered (e.g. single, category, etc) for use in the filter. + * @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, $type_of_url = '') { @@ -39,7 +39,7 @@ function user_trailingslashit($string, $type_of_url = '') { $string = untrailingslashit($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 + // 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 $string; } @@ -54,11 +54,11 @@ function user_trailingslashit($string, $type_of_url = '') { * * @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) ) { +function permalink_anchor( $mode = 'id' ) { + $post = get_post(); + switch ( strtolower( $mode ) ) { case 'title': - $title = sanitize_title($post->post_title) . '-' . $post->ID; + $title = sanitize_title( $post->post_title ) . '-' . $post->ID; echo ''; break; case 'id': @@ -77,7 +77,7 @@ function permalink_anchor($mode = '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) { +function get_permalink( $id = 0, $leavename = false ) { $rewritecode = array( '%year%', '%monthnum%', @@ -96,20 +96,25 @@ function get_permalink($id = 0, $leavename = false) { $post = $id; $sample = true; } else { - $post = &get_post($id); + $post = get_post($id); $sample = false; } - if ( empty($post->ID) ) return 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 ( $post->post_type == 'attachment' ) + return get_attachment_link( $post->ID, $leavename ); + elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) ) + return get_post_permalink($post->ID, $leavename, $sample); $permalink = get_option('permalink_structure'); - if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending')) ) { + $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); $category = ''; @@ -117,8 +122,10 @@ function get_permalink($id = 0, $leavename = 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_object = apply_filters( 'post_link_category', $cats[0], $cats, $post ); + $category_object = get_term( $category_object, 'category' ); + $category = $category_object->slug; + if ( $parent = $category_object->parent ) $category = get_category_parents($parent, false, '/', true) . $category; } // show default category in permalinks, without @@ -150,13 +157,56 @@ function get_permalink($id = 0, $leavename = false) { $author, $post->post_name, ); - $permalink = get_option('home') . str_replace($rewritecode, $rewritereplace, $permalink); + $permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) ); $permalink = user_trailingslashit($permalink, 'single'); - return apply_filters('post_link', $permalink, $post, $leavename); } else { // if they're not using the fancy permalink option - $permalink = trailingslashit(get_option('home')) . '?p=' . $post->ID; - return apply_filters('post_link', $permalink, $post, $leavename); + $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, $sample); } /** @@ -168,7 +218,10 @@ function get_permalink($id = 0, $leavename = false) { * @param mixed $deprecated Not used. * @return string */ -function post_permalink($post_id = 0, $deprecated = '') { +function post_permalink( $post_id = 0, $deprecated = '' ) { + if ( !empty( $deprecated ) ) + _deprecated_argument( __FUNCTION__, '1.3' ); + return get_permalink($post_id); } @@ -179,24 +232,20 @@ function post_permalink($post_id = 0, $deprecated = '') { * * @since 1.5.0 * - * @param int $id Optional. Post ID. + * @param int|object $post Optional. Post ID or object. * @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; +function get_page_link( $post = false, $leavename = false, $sample = false ) { + $post = get_post( $post ); - $id = (int) $id; - if ( !$id ) - $id = (int) $post->ID; - - if ( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) - $link = get_option('home'); + if ( 'page' == get_option( 'show_on_front' ) && $post->ID == get_option( 'page_on_front' ) ) + $link = home_url('/'); else - $link = _get_page_link( $id , $leavename, $sample ); + $link = _get_page_link( $post, $leavename, $sample ); - return apply_filters('page_link', $link, $id); + return apply_filters( 'page_link', $link, $post->ID, $sample ); } /** @@ -207,31 +256,32 @@ function get_page_link( $id = false, $leavename = false, $sample = false ) { * @since 2.1.0 * @access private * - * @param int $id Optional. Post ID. + * @param int|object $post Optional. Post ID or object. * @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; +function _get_page_link( $post = false, $leavename = false, $sample = false ) { + global $wp_rewrite; - if ( !$id ) - $id = (int) $post->ID; - else - $post = &get_post($id); + $post = get_post( $post ); + + $draft_or_pending = in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) ); + + $link = $wp_rewrite->get_page_permastruct(); - $pagestruct = $wp_rewrite->get_page_permastruct(); + if ( !empty($link) && ( ( isset($post->post_status) && !$draft_or_pending ) || $sample ) ) { + if ( ! $leavename ) { + $link = str_replace('%pagename%', get_page_uri( $post ), $link); + } - if ( '' != $pagestruct && ( ( isset($post->post_status) && 'draft' != $post->post_status && 'pending' != $post->post_status ) || $sample ) ) { - $link = get_page_uri($id); - $link = ( $leavename ) ? $pagestruct : str_replace('%pagename%', $link, $pagestruct); - $link = trailingslashit(get_option('home')) . "$link"; + $link = home_url($link); $link = user_trailingslashit($link, 'page'); } else { - $link = trailingslashit(get_option('home')) . "?page_id=$id"; + $link = home_url( '?page_id=' . $post->ID ); } - return apply_filters( '_get_page_link', $link, $id ); + return apply_filters( '_get_page_link', $link, $post->ID ); } /** @@ -241,38 +291,40 @@ function _get_page_link( $id = false, $leavename = false, $sample = false ) { * * @since 2.0.0 * - * @param int $id Optional. Post ID. + * @param int|object $post Optional. Post ID or object. + * @param bool $leavename Optional. Leave name. * @return string */ -function get_attachment_link($id = false) { - global $post, $wp_rewrite; +function get_attachment_link( $post = null, $leavename = false ) { + global $wp_rewrite; $link = false; - if (! $id) { - $id = (int) $post->ID; - } + $post = get_post( $post ); + $parent = ( $post->post_parent > 0 && $post->post_parent != $post->ID ) ? get_post( $post->post_parent ) : false; - $object = get_post($id); - if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) && ($object->post_parent != $id) ) { - $parent = get_post($object->post_parent); + if ( $wp_rewrite->using_permalinks() && $parent ) { if ( 'page' == $parent->post_type ) - $parentlink = _get_page_link( $object->post_parent ); // Ignores page_on_front + $parentlink = _get_page_link( $post->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; // // is paged so we use the explicit attachment marker + $parentlink = get_permalink( $post->post_parent ); + + if ( is_numeric($post->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') ) + $name = 'attachment/' . $post->post_name; // // is paged so we use the explicit attachment marker else - $name = $object->post_name; - if (strpos($parentlink, '?') === false) - $link = user_trailingslashit( trailingslashit($parentlink) . $name ); - } + $name = $post->post_name; + + if ( strpos($parentlink, '?') === false ) + $link = user_trailingslashit( trailingslashit($parentlink) . '%postname%' ); - if (! $link ) { - $link = trailingslashit(get_bloginfo('url')) . "?attachment_id=$id"; + if ( ! $leavename ) + $link = str_replace( '%postname%', $name, $link ); } - return apply_filters('attachment_link', $link, $id); + if ( ! $link ) + $link = home_url( '/?attachment_id=' . $post->ID ); + + return apply_filters( 'attachment_link', $link, $post->ID ); } /** @@ -286,13 +338,13 @@ function get_attachment_link($id = false) { function get_year_link($year) { global $wp_rewrite; if ( !$year ) - $year = gmdate('Y', time()+(get_option('gmt_offset') * 3600)); + $year = gmdate('Y', current_time('timestamp')); $yearlink = $wp_rewrite->get_year_permastruct(); if ( !empty($yearlink) ) { $yearlink = str_replace('%year%', $year, $yearlink); - return apply_filters('year_link', get_option('home') . user_trailingslashit($yearlink, 'year'), $year); + return apply_filters('year_link', home_url( user_trailingslashit($yearlink, 'year') ), $year); } else { - return apply_filters('year_link', trailingslashit(get_option('home')) . '?m=' . $year, $year); + return apply_filters('year_link', home_url('?m=' . $year), $year); } } @@ -308,16 +360,16 @@ function get_year_link($year) { function get_month_link($year, $month) { global $wp_rewrite; if ( !$year ) - $year = gmdate('Y', time()+(get_option('gmt_offset') * 3600)); + $year = gmdate('Y', current_time('timestamp')); if ( !$month ) - $month = gmdate('m', time()+(get_option('gmt_offset') * 3600)); + $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), $monthlink); - return apply_filters('month_link', get_option('home') . user_trailingslashit($monthlink, 'month'), $year, $month); + return apply_filters('month_link', home_url( user_trailingslashit($monthlink, 'month') ), $year, $month); } else { - return apply_filters('month_link', trailingslashit(get_option('home')) . '?m=' . $year . zeroise($month, 2), $year, $month); + return apply_filters('month_link', home_url( '?m=' . $year . zeroise($month, 2) ), $year, $month); } } @@ -334,23 +386,36 @@ function get_month_link($year, $month) { function get_day_link($year, $month, $day) { global $wp_rewrite; if ( !$year ) - $year = gmdate('Y', time()+(get_option('gmt_offset') * 3600)); + $year = gmdate('Y', current_time('timestamp')); if ( !$month ) - $month = gmdate('m', time()+(get_option('gmt_offset') * 3600)); + $month = gmdate('m', current_time('timestamp')); if ( !$day ) - $day = gmdate('j', time()+(get_option('gmt_offset') * 3600)); + $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), $daylink); - return apply_filters('day_link', get_option('home') . user_trailingslashit($daylink, 'day'), $year, $month, $day); + return apply_filters('day_link', home_url( user_trailingslashit($daylink, 'day') ), $year, $month, $day); } else { - return apply_filters('day_link', trailingslashit(get_option('home')) . '?m=' . $year . zeroise($month, 2) . zeroise($day, 2), $year, $month, $day); + 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 = '' . $anchor . ''; + echo apply_filters( 'the_feed_link', $link, $feed ); +} + /** * Retrieve the permalink for the feed type. * @@ -374,7 +439,7 @@ function get_feed_link($feed = '') { $permalink = str_replace('%feed%', $feed, $permalink); $permalink = preg_replace('#/+#', '/', "/$permalink"); - $output = get_option('home') . user_trailingslashit($permalink, 'feed'); + $output = home_url( user_trailingslashit($permalink, 'feed') ); } else { if ( empty($feed) ) $feed = get_default_feed(); @@ -382,7 +447,7 @@ function get_feed_link($feed = '') { if ( false !== strpos($feed, 'comments_') ) $feed = str_replace('comments_', 'comments-', $feed); - $output = trailingslashit(get_option('home')) . "?feed={$feed}"; + $output = home_url("?feed={$feed}"); } return apply_filters('feed_link', $output, $feed); @@ -397,26 +462,31 @@ function get_feed_link($feed = '') { * @param string $feed Optional. Feed type. * @return string */ -function get_post_comments_feed_link($post_id = '', $feed = '') { - global $id; +function get_post_comments_feed_link($post_id = 0, $feed = '') { + $post_id = absint( $post_id ); - if ( empty($post_id) ) - $post_id = (int) $id; + if ( ! $post_id ) + $post_id = get_the_ID(); - if ( empty($feed) ) + if ( empty( $feed ) ) $feed = get_default_feed(); if ( '' != get_option('permalink_structure') ) { - $url = trailingslashit( get_permalink($post_id) ) . 'feed'; + 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 ) - $url = trailingslashit(get_option('home')) . "?feed=$feed&page_id=$post_id"; + $url = add_query_arg( array( 'feed' => $feed, 'page_id' => $post_id ), home_url( '/' ) ); else - $url = trailingslashit(get_option('home')) . "?feed=$feed&p=$post_id"; + $url = add_query_arg( array( 'feed' => $feed, 'p' => $post_id ), home_url( '/' ) ); } return apply_filters('post_comments_feed_link', $url); @@ -434,12 +504,12 @@ function get_post_comments_feed_link($post_id = '', $feed = '') { * @since 2.5.0 * * @param string $link_text Descriptive text. - * @param int $post_id Optional post ID. Default to current post. + * @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); + $url = esc_url( get_post_comments_feed_link( $post_id, $feed ) ); if ( empty($link_text) ) $link_text = __('Comments Feed'); @@ -468,7 +538,7 @@ function get_author_feed_link( $author_id, $feed = '' ) { $feed = get_default_feed(); if ( '' == $permalink_structure ) { - $link = trailingslashit(get_option('home')) . "?feed=$feed&author=" . $author_id; + $link = home_url("?feed=$feed&author=" . $author_id); } else { $link = get_author_posts_url($author_id); if ( $feed == get_default_feed() ) @@ -487,7 +557,7 @@ function get_author_feed_link( $author_id, $feed = '' ) { /** * Retrieve the feed link for a category. * - * Returns a link to the feed for all post in a given category. A specific feed + * 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 @@ -499,31 +569,61 @@ function get_author_feed_link( $author_id, $feed = '' ) { * @return string Link to the feed for the category specified by $cat_id. */ function get_category_feed_link($cat_id, $feed = '') { - $cat_id = (int) $cat_id; + return get_term_feed_link($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; - $category = get_category($cat_id); + $term = get_term( $term_id, $taxonomy ); - if ( empty($category) || is_wp_error($category) ) + if ( empty( $term ) || is_wp_error( $term ) ) return false; - if ( empty($feed) ) + if ( empty( $feed ) ) $feed = get_default_feed(); - $permalink_structure = get_option('permalink_structure'); + $permalink_structure = get_option( 'permalink_structure' ); if ( '' == $permalink_structure ) { - $link = trailingslashit(get_option('home')) . "?feed=$feed&cat=" . $cat_id; + 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 { - $link = get_category_link($cat_id); - if( $feed == get_default_feed() ) + $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'); + $link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' ); } - $link = apply_filters('category_feed_link', $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 $link; } @@ -538,32 +638,7 @@ function get_category_feed_link($cat_id, $feed = '') { * @return string */ function get_tag_feed_link($tag_id, $feed = '') { - $tag_id = (int) $tag_id; - - $tag = get_tag($tag_id); - - if ( empty($tag) || is_wp_error($tag) ) - return false; - - $permalink_structure = get_option('permalink_structure'); - - if ( empty($feed) ) - $feed = get_default_feed(); - - if ( '' == $permalink_structure ) { - $link = trailingslashit(get_option('home')) . "?feed=$feed&tag=" . $tag->slug; - } else { - $link = get_tag_link($tag->term_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('tag_feed_link', $link, $feed); - - return $link; + return get_term_feed_link($tag_id, 'post_tag', $feed); } /** @@ -572,16 +647,11 @@ function get_tag_feed_link($tag_id, $feed = '') { * @since 2.7.0 * * @param int $tag_id Tag ID + * @param string $taxonomy Taxonomy * @return string */ -function get_edit_tag_link( $tag_id = 0, $taxonomy = 'post_tag' ) { - $tag = get_term($tag_id, $taxonomy); - - if ( !current_user_can('manage_categories') ) - return; - - $location = admin_url('edit-tags.php?action=edit&taxonomy=' . $taxonomy . '&tag_ID=' . $tag->term_id); - return apply_filters( 'get_edit_tag_link', $location ); +function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) { + return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) ); } /** @@ -593,19 +663,103 @@ function get_edit_tag_link( $tag_id = 0, $taxonomy = 'post_tag' ) { * @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|null HTML content, if $echo is set to false. + * @return string HTML content. */ function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) { - $tag = get_term($tag, 'post_tag'); + $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(); + } - if ( !current_user_can('manage_categories') ) + $tax = get_taxonomy( $term->taxonomy ); + if ( !current_user_can($tax->cap->edit_terms) ) return; - if ( empty($link) ) + if ( empty( $link ) ) $link = __('Edit This'); - $link = '' . $link . ''; - echo $before . apply_filters( 'edit_tag_link', $link, $tag->term_id ) . $after; + $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 ); } /** @@ -618,17 +772,22 @@ function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) { * @return string */ function get_search_feed_link($search_query = '', $feed = '') { - if ( empty($search_query) ) - $search = esc_attr( urlencode(get_search_query()) ); - else - $search = esc_attr( urlencode(stripslashes($search_query)) ); + global $wp_rewrite; + $link = get_search_link($search_query); if ( empty($feed) ) $feed = get_default_feed(); - $link = trailingslashit(get_option('home')) . "?s=$search&feed=$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); + $link = apply_filters('search_feed_link', $link, $feed, 'posts'); return $link; } @@ -643,21 +802,85 @@ function get_search_feed_link($search_query = '', $feed = '') { * @return string */ function get_search_comments_feed_link($search_query = '', $feed = '') { - if ( empty($search_query) ) - $search = esc_attr( urlencode(get_search_query()) ); - else - $search = esc_attr( urlencode(stripslashes($search_query)) ); + global $wp_rewrite; if ( empty($feed) ) $feed = get_default_feed(); - $link = trailingslashit(get_option('home')) . "?s=$search&feed=comments-$feed"; + $link = get_search_feed_link($search_query, $feed); + + $permastruct = $wp_rewrite->get_search_permastruct(); - $link = apply_filters('search_feed_link', $link); + if ( empty($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, $feed ); +} + /** * Retrieve edit posts link for post. * @@ -667,47 +890,28 @@ function get_search_comments_feed_link($search_query = '', $feed = '') { * @since 2.3.0 * * @param int $id Optional. Post ID. - * @param string $context Optional, default to display. How to write the '&', defaults to '&'. + * @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 ) ) + if ( ! $post = get_post( $id ) ) return; - if ( 'display' == $context ) - $action = 'action=edit&'; - else - $action = 'action=edit&'; - - switch ( $post->post_type ) : - case 'page' : - if ( !current_user_can( 'edit_page', $post->ID ) ) - return; - $file = 'page'; - $var = 'post'; - break; - case 'attachment' : - if ( !current_user_can( 'edit_post', $post->ID ) ) - return; - $file = 'media'; - $var = 'attachment_id'; - break; - case 'revision' : - if ( !current_user_can( 'edit_post', $post->ID ) ) - return; - $file = 'revision'; - $var = 'revision'; + if ( 'revision' === $post->post_type ) $action = ''; - break; - default : - if ( !current_user_can( 'edit_post', $post->ID ) ) - return apply_filters( 'get_edit_post_link', '', $post->ID, $context );; - $file = 'post'; - $var = 'post'; - break; - endswitch; + 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', $post->ID ) ) + return; - return apply_filters( 'get_edit_post_link', admin_url("$file.php?{$action}$var=$post->ID"), $post->ID, $context ); + return apply_filters( 'get_edit_post_link', admin_url( sprintf($post_type_object->_edit_link . $action, $post->ID) ), $post->ID, $context ); } /** @@ -721,7 +925,7 @@ function get_edit_post_link( $id = 0, $context = 'display' ) { * @param int $id Optional. Post ID. */ function edit_post_link( $link = null, $before = '', $after = '', $id = 0 ) { - if ( !$post = &get_post( $id ) ) + if ( !$post = get_post( $id ) ) return; if ( !$url = get_edit_post_link( $post->ID ) ) @@ -730,60 +934,42 @@ function edit_post_link( $link = null, $before = '', $after = '', $id = 0 ) { if ( null === $link ) $link = __('Edit This'); - $link = '' . $link . ''; + $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. Can be used with - * pages, posts, attachments, and revisions. + * 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 $context Optional, default to display. How to write the '&', defaults to '&'. + * @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, $context = 'display') { - if ( !$post = &get_post( $id ) ) +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; - if ( 'display' == $context ) - $action = 'action=trash&'; - else - $action = 'action=trash&'; - - switch ( $post->post_type ) : - case 'page' : - if ( !current_user_can( 'delete_page', $post->ID ) ) - return; - $file = 'page'; - $var = 'post'; - break; - case 'attachment' : - if ( !current_user_can( 'delete_post', $post->ID ) ) - return; - $file = 'media'; - $var = 'attachment_id'; - break; - case 'revision' : - if ( !current_user_can( 'delete_post', $post->ID ) ) - return; - $file = 'revision'; - $var = 'revision'; - $action = ''; - break; - default : - if ( !current_user_can( 'edit_post', $post->ID ) ) - return apply_filters( 'get_delete_post_link', '', $post->ID, $context );; - $file = 'post'; - $var = 'post'; - break; - endswitch; + $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 = ( $force_delete || !EMPTY_TRASH_DAYS ) ? 'delete' : 'trash'; - return apply_filters( 'get_delete_post_link', wp_nonce_url( admin_url("$file.php?{$action}$var=$post->ID"), "trash-{$file}_" . $post->ID ), $context ); + $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, $force_delete ); } /** @@ -795,16 +981,10 @@ function get_delete_post_link($id = 0, $context = 'display') { * @return string */ function get_edit_comment_link( $comment_id = 0 ) { - $comment = &get_comment( $comment_id ); - $post = &get_post( $comment->comment_post_ID ); + $comment = get_comment( $comment_id ); - if ( $post->post_type == 'page' ) { - if ( !current_user_can( 'edit_page', $post->ID ) ) - return; - } else { - if ( !current_user_can( 'edit_post', $post->ID ) ) - return; - } + 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 ); @@ -821,20 +1001,15 @@ function get_edit_comment_link( $comment_id = 0 ) { * @return string|null HTML content, if $echo is set to false. */ function edit_comment_link( $link = null, $before = '', $after = '' ) { - global $comment, $post; + global $comment; - if ( $post->post_type == 'page' ) { - if ( !current_user_can( 'edit_page', $post->ID ) ) - return; - } else { - if ( !current_user_can( 'edit_post', $post->ID ) ) - return; - } + if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) + return; if ( null === $link ) $link = __('Edit This'); - $link = '' . $link . ''; + $link = '' . $link . ''; echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after; } @@ -875,72 +1050,115 @@ function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = if ( empty($link) ) $link = __('Edit This'); - $link = '' . $link . ''; + $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 link that is adjacent to current post. + * Retrieve previous post that is adjacent to current post. * * @since 1.5.0 * - * @param bool $in_same_cat Optional. Whether link should be in same category. - * @param string $excluded_categories Optional. Excluded categories IDs. - * @return string + * @param bool $in_same_cat Optional. Whether post should be in a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category 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 link that is adjacent to current post. + * Retrieve next post that is adjacent to current post. * * @since 1.5.0 * - * @param bool $in_same_cat Optional. Whether link should be in same category. - * @param string $excluded_categories Optional. Excluded categories IDs. - * @return string + * @param bool $in_same_cat Optional. Whether post should be in a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category 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 link. + * Retrieve adjacent post. * - * Can either be next or previous post link. + * Can either be next or previous post. * * @since 2.5.0 * - * @param bool $in_same_cat Optional. Whether link should be in same category. - * @param string $excluded_categories Optional. Excluded categories IDs. + * @param bool $in_same_cat Optional. Whether post should be in a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. * @param bool $previous Optional. Whether to retrieve previous post. - * @return string + * @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; +function get_adjacent_post( $in_same_cat = false, $excluded_categories = '', $previous = true ) { + global $wpdb; - if ( empty($post) || !is_single() || is_attachment() ) + if ( ! $post = get_post() ) return null; $current_post_date = $post->post_date; $join = ''; $posts_in_ex_cats_sql = ''; - if ( $in_same_cat || !empty($excluded_categories) ) { + 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', 'fields=ids'); + if ( ! is_object_in_taxonomy( $post->post_type, 'category' ) ) + return ''; + $cat_array = wp_get_object_terms($post->ID, 'category', array('fields' => 'ids')); + if ( ! $cat_array || is_wp_error( $cat_array ) ) + return ''; $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) ) { + if ( ! empty( $excluded_categories ) ) { + if ( ! is_array( $excluded_categories ) ) { + // back-compat, $excluded_categories used to be IDs separated by " and " + if ( strpos( $excluded_categories, ' and ' ) !== false ) { + _deprecated_argument( __FUNCTION__, '3.3', sprintf( __( 'Use commas instead of %s to separate excluded categories.' ), "'and'" ) ); + $excluded_categories = explode( ' and ', $excluded_categories ); + } else { + $excluded_categories = explode( ',', $excluded_categories ); + } + } + + $excluded_categories = array_map( 'intval', $excluded_categories ); + + if ( ! empty( $cat_array ) ) { $excluded_categories = array_diff($excluded_categories, $cat_array); $posts_in_ex_cats_sql = ''; } @@ -959,17 +1177,24 @@ function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $pre $where = apply_filters( "get_{$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 = "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 ( false !== $result ) { + if ( $result ) + $result = get_post( $result ); return $result; + } - $result = $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort"); + $result = $wpdb->get_var( $query ); if ( null === $result ) $result = ''; wp_cache_set($query_key, $result, 'counts'); + + if ( $result ) + $result = get_post( $result ); + return $result; } @@ -981,28 +1206,29 @@ function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $pre * @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. + * @param bool $in_same_cat Optional. Whether link should be in a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. + * @param bool $previous Optional, default is true. Whether to display link to previous or next post. * @return string */ function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $previous = true) { - if ( $previous && is_attachment() ) - $post = & get_post($GLOBALS['post']->post_parent); + if ( $previous && is_attachment() && $post = get_post() ) + $post = get_post( $post->post_parent ); else - $post = get_adjacent_post($in_same_cat,$excluded_categories,$previous); + $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'); + $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->post_title, $title); + $title = str_replace('%title', $post_title, $title); $title = str_replace('%date', $date, $title); - $title = apply_filters('the_title', $title, $post); $link = $previous ? "ID, 'category', 'fields=ids'); - } + if( ! is_array( $excluded_categories ) ) + $excluded_categories = explode( ',', $excluded_categories ); - if ( !empty($excluded_categories) ) { - $excluded_categories = array_map('intval', explode(',', $excluded_categories)); + if ( $in_same_cat || ! empty( $excluded_categories ) ) { + if ( $in_same_cat ) + $cat_array = wp_get_object_terms( $post->ID, 'category', array( 'fields' => 'ids' ) ); - if ( !empty($cat_array) ) - $excluded_categories = array_diff($excluded_categories, $cat_array); + if ( ! empty( $excluded_categories ) ) { + $excluded_categories = array_map( 'intval', $excluded_categories ); + $excluded_categories = array_diff( $excluded_categories, $cat_array ); $inverse_cats = array(); - foreach ( $excluded_categories as $excluded_category) + foreach ( $excluded_categories as $excluded_category ) $inverse_cats[] = $excluded_category * -1; $excluded_categories = $inverse_cats; } } - $categories = implode(',', array_merge($cat_array, $excluded_categories) ); + $categories = implode( ',', array_merge( $cat_array, $excluded_categories ) ); $order = $start ? 'ASC' : 'DESC'; - return get_posts( array('numberposts' => 1, 'order' => $order, 'orderby' => 'ID', 'category' => $categories) ); + 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. + * Display previous post link that is adjacent to the current post. * - * @since 2.8.0 + * @since 1.5.0 * - * @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 post. - * @return string + * @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 a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. */ -function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) { - $posts = get_boundary_post($in_same_cat,$excluded_categories,$start); - // Even though we limited get_posts to return only 1 item it still returns an array of objects. - $post = $posts[0]; - - if ( empty($post) ) - return; - - 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); - - $link = $start ? "\n"; - - $boundary = $start ? 'start' : 'end'; - return apply_filters( "{$boundary}_post_rel_link", $link ); +function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') { + adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true); } /** - * Display relational link for the first post. + * Display next post link that is adjacent to the current post. * - * @since 2.8.0 + * @since 1.5.0 * - * @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 string $format Optional. Link anchor format. + * @param string $link Optional. Link permalink format. + * @param bool $in_same_cat Optional. Whether link should be in a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. */ -function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') { - echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true); +function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') { + adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false); } /** - * Get site index relational link. - * - * @since 2.8.0 - * - * @return string - */ -function get_index_rel_link() { - $link = "\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); - - $link = "\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, $excluded_categories, false); -} - -/** - * Display adjacent post link. + * Display adjacent post link. * * Can be either next post link or previous. * @@ -1244,63 +1372,67 @@ function next_post_link($format='%link »', $link='%title', $in_same_cat = * * @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. + * @param bool $in_same_cat Optional. Whether link should be in a same category. + * @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs. + * @param bool $previous Optional, default is true. Whether to display link to previous or next post. */ -function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) { +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); + $post = get_post( get_post()->post_parent ); else - $post = get_adjacent_post($in_same_cat, $excluded_categories, $previous); + $post = get_adjacent_post( $in_same_cat, $excluded_categories, $previous ); - if ( !$post ) - return; + if ( ! $post ) { + $output = ''; + } else { + $title = $post->post_title; - $title = $post->post_title; + if ( empty( $post->post_title ) ) + $title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); - if ( empty($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'; - $title = apply_filters('the_title', $title, $post); - $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 . ''; - $string = ''; - $link = str_replace('%title', $title, $link); - $link = str_replace('%date', $date, $link); - $link = $string . $link . ''; - - $format = str_replace('%link', $link, $format); + $output = str_replace( '%link', $inlink, $format ); + } $adjacent = $previous ? 'previous' : 'next'; - echo apply_filters( "{$adjacent}_post_link", $format, $link ); + + echo apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post ); } /** - * Retrieve get links for page numbers. + * 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) { +function get_pagenum_link($pagenum = 1, $escape = true ) { global $wp_rewrite; $pagenum = (int) $pagenum; $request = remove_query_arg( 'paged' ); - $home_root = parse_url(get_option('home')); + $home_root = parse_url(home_url()); $home_root = ( isset($home_root['path']) ) ? $home_root['path'] : ''; - $home_root = preg_quote( trailingslashit( $home_root ), '|' ); + $home_root = preg_quote( $home_root, '|' ); - $request = preg_replace('|^'. $home_root . '|', '', $request); + $request = preg_replace('|^'. $home_root . '|i', '', $request); $request = preg_replace('|^/+|', '', $request); if ( !$wp_rewrite->using_permalinks() || is_admin() ) { - $base = trailingslashit( get_bloginfo( 'home' ) ); + $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $pagenum > 1 ) { $result = add_query_arg( 'paged', $pagenum, $base . $request ); @@ -1318,17 +1450,17 @@ function get_pagenum_link($pagenum = 1) { $query_string = ''; } - $request = preg_replace( '|page/\d+/?$|', '', $request); - $request = preg_replace( '|^index\.php|', '', $request); + $request = preg_replace( "|$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 .= 'index.php/'; + $base .= $wp_rewrite->index . '/'; if ( $pagenum > 1 ) { - $request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( 'page/' . $pagenum, 'paged' ); + $request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( $wp_rewrite->pagination_base . "/" . $pagenum, 'paged' ); } $result = $base . $request . $query_string; @@ -1336,11 +1468,14 @@ function get_pagenum_link($pagenum = 1) { $result = apply_filters('get_pagenum_link', $result); - return $result; + if ( $escape ) + return esc_url( $result ); + else + return esc_url_raw( $result ); } /** - * Retrieve next posts pages link. + * Retrieve next posts page link. * * Backported from 2.1.3 to 2.0.10. * @@ -1362,7 +1497,7 @@ function get_next_posts_page_link($max_page = 0) { } /** - * Display or return the next posts pages link. + * Display or return the next posts page link. * * @since 0.71 * @@ -1379,7 +1514,7 @@ function next_posts( $max_page = 0, $echo = true ) { } /** - * Return the next posts pages link. + * Return the next posts page link. * * @since 2.7.0 * @@ -1387,26 +1522,28 @@ function next_posts( $max_page = 0, $echo = true ) { * @param int $max_page Optional. Max pages. * @return string|null */ -function get_next_posts_link( $label = 'Next Page »', $max_page = 0 ) { +function get_next_posts_link( $label = null, $max_page = 0 ) { global $paged, $wp_query; - if ( !$max_page ) { + if ( !$max_page ) $max_page = $wp_query->max_num_pages; - } if ( !$paged ) $paged = 1; $nextpage = intval($paged) + 1; - if ( !is_single() && ( empty($paged) || $nextpage <= $max_page) ) { + 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};)/', '&$1', $label) .''; + return '" . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) . ''; } } /** - * Display the next posts pages link. + * Display the next posts page link. * * @since 0.71 * @uses get_next_posts_link() @@ -1414,12 +1551,12 @@ function get_next_posts_link( $label = 'Next Page »', $max_page = 0 ) { * @param string $label Content for link text. * @param int $max_page Optional. Max pages. */ -function next_posts_link( $label = 'Next Page »', $max_page = 0 ) { +function next_posts_link( $label = null, $max_page = 0 ) { echo get_next_posts_link( $label, $max_page ); } /** - * Retrieve previous post pages link. + * Retrieve previous posts page link. * * Will only return string, if not on a single page or post. * @@ -1441,7 +1578,7 @@ function get_previous_posts_page_link() { } /** - * Display or return the previous posts pages link. + * Display or return the previous posts page link. * * @since 0.71 * @@ -1457,19 +1594,22 @@ function previous_posts( $echo = true ) { } /** - * Return the previous posts pages link. + * 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 = '« Previous Page' ) { +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};)/', '&$1', $label ) .''; + return '". preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) .''; } } @@ -1481,7 +1621,7 @@ function get_previous_posts_link( $label = '« Previous Page' ) { * * @param string $label Optional. Previous page link text. */ -function previous_posts_link( $label = '« Previous Page' ) { +function previous_posts_link( $label = null ) { echo get_previous_posts_link( $label ); } @@ -1516,7 +1656,7 @@ function get_posts_nav_link( $args = array() ) { if ( $max_num_pages > 1 ) { $return = get_previous_posts_link($args['prelabel']); - $return .= preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $args['sep']); + $return .= preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $args['sep']); $return .= get_next_posts_link($args['nxtlabel']); } } @@ -1539,7 +1679,7 @@ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) { } /** - * Retrieve page numbers links. + * Retrieve comments page number link. * * @since 2.7.0 * @@ -1547,11 +1687,11 @@ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) { * @return string */ function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { - global $post, $wp_rewrite; + global $wp_rewrite; $pagenum = (int) $pagenum; - $result = get_permalink( $post->ID ); + $result = get_permalink(); if ( 'newest' == get_option('default_comments_page') ) { if ( $pagenum != $max_page ) { @@ -1575,7 +1715,7 @@ function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { } /** - * Return the link to next comments pages. + * Return the link to next comments page. * * @since 2.7.1 * @@ -1605,11 +1745,11 @@ function get_next_comments_link( $label = '', $max_page = 0 ) { if ( empty($label) ) $label = __('Newer Comments »'); - return ''. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .''; + return ''. preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .''; } /** - * Display the link to next comments pages. + * Display the link to next comments page. * * @since 2.7.0 * @@ -1642,7 +1782,7 @@ function get_previous_comments_link( $label = '' ) { if ( empty($label) ) $label = __('« Older Comments'); - return '' . preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .''; + return '' . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .''; } /** @@ -1662,11 +1802,11 @@ function previous_comments_link( $label = '' ) { * @see paginate_links() * @since 2.7.0 * - * @param string|array $args Optional args. See paginate_links. + * @param string|array $args Optional args. See paginate_links(). * @return string Markup for pagination links. */ function paginate_comments_links($args = array()) { - global $wp_query, $wp_rewrite; + global $wp_rewrite; if ( !is_singular() || !get_option('page_comments') ) return; @@ -1696,7 +1836,7 @@ function paginate_comments_links($args = array()) { } /** - * Retrieve shortcut link. + * Retrieve the Press This bookmarklet link. * * Use this in 'a' element 'href' attribute. * @@ -1705,6 +1845,7 @@ function paginate_comments_links($args = array()) { * @return string */ function get_shortcut_link() { + // In case of breaking changes, version this. #WP20071 $link = "javascript: var d=document, w=window, @@ -1726,57 +1867,150 @@ function get_shortcut_link() { } /** - * Retrieve the site url. + * Retrieve the home url for the current site. * - * Returns the 'site_url' option with the appropriate protocol, 'https' if + * 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 2.6.0 + * @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. + * @uses get_home_url() + * + * @param string $path (optional) Path relative to the home url. + * @param string $scheme (optional) Scheme to give the home url context. Currently 'http', 'https', or 'relative'. + * @return string Home url link with optional path appended. */ -function site_url($path = '', $scheme = null) { - // should the list of allowed schemes be maintained elsewhere? +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 = $scheme; - if ( !in_array($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() ) + + 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() ) $scheme = 'https'; else - $scheme = ( is_ssl() ? 'https' : 'http' ); + $scheme = parse_url( $url, PHP_URL_SCHEME ); } - $url = str_replace( 'http://', "{$scheme}://", get_option('siteurl') ); + $url = set_url_scheme( $url, $scheme ); - if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) - $url .= '/' . ltrim($path, '/'); + if ( $path && is_string( $path ) ) + $url .= '/' . ltrim( $path, '/' ); - return apply_filters('site_url', $url, $path, $orig_scheme); + return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id ); } /** - * Retrieve the url to the admin area. + * 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 * - * @param string $path Optional path relative to the admin url - * @return string Admin url link with optional path appended + * @uses get_site_url() + * + * @param string $path Optional. Path relative to the site url. + * @param string $scheme Optional. Scheme to give the site url context. See set_url_scheme(). + * @return string Site url link with optional path appended. */ -function admin_url($path = '') { - $url = site_url('wp-admin/', 'admin'); +function site_url( $path = '', $scheme = null ) { + return get_site_url( null, $path, $scheme ); +} - if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) - $url .= ltrim($path, '/'); +/** + * 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 ); +} - return apply_filters('admin_url', $url, $path); +/** + * 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, $blog_id ); } /** @@ -1786,12 +2020,13 @@ function admin_url($path = '') { * @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 = '') { - $url = site_url() . '/' . WPINC . '/'; +function includes_url( $path = '', $scheme = null ) { + $url = site_url( '/' . WPINC . '/', $scheme ); - if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) + if ( $path && is_string( $path ) ) $url .= ltrim($path, '/'); return apply_filters('includes_url', $url, $path); @@ -1807,14 +2042,9 @@ function includes_url($path = '') { * @return string Content url link with optional path appended. */ function content_url($path = '') { - $scheme = ( is_ssl() ? 'https' : 'http' ); - $url = WP_CONTENT_URL; - if ( 0 === strpos($url, 'http') ) { - if ( is_ssl() ) - $url = str_replace( 'http://', "{$scheme}://", $url ); - } + $url = set_url_scheme( WP_CONTENT_URL ); - if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) + if ( $path && is_string( $path ) ) $url .= '/' . ltrim($path, '/'); return apply_filters('content_url', $url, $path); @@ -1832,33 +2062,259 @@ function content_url($path = '') { * @return string Plugins url link with optional path appended. */ function plugins_url($path = '', $plugin = '') { - $scheme = ( is_ssl() ? 'https' : 'http' ); - if ( $plugin !== '' && preg_match('#^' . preg_quote(WPMU_PLUGIN_DIR . DIRECTORY_SEPARATOR, '#') . '#', $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 { + else $url = WP_PLUGIN_URL; - } - if ( 0 === strpos($url, 'http') ) { - if ( is_ssl() ) - $url = str_replace( 'http://', "{$scheme}://", $url ); - } + + $url = set_url_scheme( $url ); if ( !empty($plugin) && is_string($plugin) ) { $folder = dirname(plugin_basename($plugin)); - if ('.' != $folder) + if ( '.' != $folder ) $url .= '/' . ltrim($folder, '/'); } - if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) + if ( $path && is_string( $path ) ) $url .= '/' . ltrim($path, '/'); return apply_filters('plugins_url', $url, $path, $plugin); } /** - * Output rel=canonical for singular queries + * 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 ) { + global $current_site; + + if ( ! is_multisite() ) + return site_url($path, $scheme); + + 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 ) { + global $current_site; + + if ( ! is_multisite() ) + return home_url($path, $scheme); + + $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 @@ -1872,7 +2328,122 @@ function rel_canonical() { 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_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=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; + } +}