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 ) { /** * Filters the category feed link. * * @since 1.5.1 * * @param string $link The category feed link. * @param string $feed Feed type. */ $link = apply_filters( 'category_feed_link', $link, $feed ); } elseif ( 'post_tag' == $taxonomy ) { /** * Filters the post tag feed link. * * @since 2.3.0 * * @param string $link The tag feed link. * @param string $feed Feed type. */ $link = apply_filters( 'tag_feed_link', $link, $feed ); } else { /** * Filters the feed link for a taxonomy other than 'category' or 'post_tag'. * * @since 3.0.0 * * @param string $link The taxonomy feed link. * @param string $feed Feed type. * @param string $feed The taxonomy name. */ $link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy ); } return $link; } /** * Retrieves the permalink for a tag feed. * * @since 2.3.0 * * @param int $tag_id Tag ID. * @param string $feed Optional. Feed type. Default empty. * @return string The feed permalink for the given tag. */ function get_tag_feed_link( $tag_id, $feed = '' ) { return get_term_feed_link( $tag_id, 'post_tag', $feed ); } /** * Retrieves the edit link for a tag. * * @since 2.7.0 * * @param int $tag_id Tag ID. * @param string $taxonomy Optional. Taxonomy slug. Default 'post_tag'. * @return string The edit tag link URL for the given tag. */ function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) { /** * Filters the edit link for a tag (or term in another taxonomy). * * @since 2.7.0 * * @param string $link The term edit link. */ return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) ); } /** * Displays or retrieves the edit link for a tag with formatting. * * @since 2.7.0 * * @param string $link Optional. Anchor text. Default empty. * @param string $before Optional. Display before edit link. Default empty. * @param string $after Optional. Display after edit link. Default empty. * @param WP_Term $tag Optional. Term object. If null, the queried object will be inspected. * Default null. */ function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) { $link = edit_term_link( $link, '', '', $tag, false ); /** * Filters the anchor tag for the edit link for a tag (or term in another taxonomy). * * @since 2.7.0 * * @param string $link The anchor tag for the edit link. */ echo $before . apply_filters( 'edit_tag_link', $link ) . $after; } /** * Retrieves the URL for editing a given term. * * @since 3.1.0 * @since 4.5.0 The `$taxonomy` argument was made optional. * * @param int $term_id Term ID. * @param string $taxonomy Optional. Taxonomy. Defaults to the taxonomy of the term identified * by `$term_id`. * @param string $object_type Optional. The object type. Used to highlight the proper post type * menu on the linked page. Defaults to the first object_type associated * with the taxonomy. * @return string|null The edit term link URL for the given term, or null on failure. */ function get_edit_term_link( $term_id, $taxonomy = '', $object_type = '' ) { $term = get_term( $term_id, $taxonomy ); if ( ! $term || is_wp_error( $term ) ) { return; } $tax = get_taxonomy( $term->taxonomy ); if ( ! $tax || ! current_user_can( 'edit_term', $term->term_id ) ) { return; } $args = array( 'taxonomy' => $taxonomy, 'tag_ID' => $term->term_id, ); if ( $object_type ) { $args['post_type'] = $object_type; } elseif ( ! empty( $tax->object_type ) ) { $args['post_type'] = reset( $tax->object_type ); } if ( $tax->show_ui ) { $location = add_query_arg( $args, admin_url( 'term.php' ) ); } else { $location = ''; } /** * Filters the edit link for a term. * * @since 3.1.0 * * @param string $location The edit link. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy name. * @param string $object_type The object type (eg. the post type). */ return apply_filters( 'get_edit_term_link', $location, $term_id, $taxonomy, $object_type ); } /** * Displays or retrieves the edit term link with formatting. * * @since 3.1.0 * * @param string $link Optional. Anchor text. Default empty. * @param string $before Optional. Display before edit link. Default empty. * @param string $after Optional. Display after edit link. Default empty. * @param object $term Optional. Term object. If null, the queried object will be inspected. Default null. * @param bool $echo Optional. Whether or not to echo the return. Default true. * @return string|void HTML content. */ function edit_term_link( $link = '', $before = '', $after = '', $term = null, $echo = true ) { if ( is_null( $term ) ) $term = get_queried_object(); if ( ! $term ) return; $tax = get_taxonomy( $term->taxonomy ); if ( ! current_user_can( 'edit_term', $term->term_id ) ) { return; } if ( empty( $link ) ) $link = __('Edit This'); $link = '' . $link . ''; /** * Filters the anchor tag for the edit link of a term. * * @since 3.1.0 * * @param string $link The anchor tag for the edit link. * @param int $term_id Term ID. */ $link = $before . apply_filters( 'edit_term_link', $link, $term->term_id ) . $after; if ( $echo ) echo $link; else return $link; } /** * Retrieves the permalink for a search. * * @since 3.0.0 * * @global WP_Rewrite $wp_rewrite * * @param string $query Optional. The query string to use. If empty the current query is used. Default empty. * @return string The search permalink. */ 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 un-encoded. $link = str_replace( '%search%', $search, $permastruct ); $link = home_url( user_trailingslashit( $link, 'search' ) ); } /** * Filters the search permalink. * * @since 3.0.0 * * @param string $link Search permalink. * @param string $search The URL-encoded search term. */ return apply_filters( 'search_link', $link, $search ); } /** * Retrieves the permalink for the search results feed. * * @since 2.5.0 * * @global WP_Rewrite $wp_rewrite * * @param string $search_query Optional. Search query. Default empty. * @param string $feed Optional. Feed type. Default empty. * @return string The search results feed permalink. */ function get_search_feed_link($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/"; } /** * Filters the search feed link. * * @since 2.5.0 * * @param string $link Search feed link. * @param string $feed Feed type. * @param string $type The search type. One of 'posts' or 'comments'. */ return apply_filters( 'search_feed_link', $link, $feed, 'posts' ); } /** * Retrieves the permalink for the search results comments feed. * * @since 2.5.0 * * @global WP_Rewrite $wp_rewrite * * @param string $search_query Optional. Search query. Default empty. * @param string $feed Optional. Feed type. Default empty. * @return string The comments feed search results permalink. */ function get_search_comments_feed_link($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); /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'search_feed_link', $link, $feed, 'comments' ); } /** * Retrieves the permalink for a post type archive. * * @since 3.1.0 * @since 4.5.0 Support for posts was added. * * @global WP_Rewrite $wp_rewrite * * @param string $post_type Post type. * @return string|false The post type archive permalink. */ 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' === $post_type ) { $show_on_front = get_option( 'show_on_front' ); $page_for_posts = get_option( 'page_for_posts' ); if ( 'page' == $show_on_front && $page_for_posts ) { $link = get_permalink( $page_for_posts ); } else { $link = get_home_url(); } /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'post_type_archive_link', $link, $post_type ); } 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 ); } /** * Filters the post type archive permalink. * * @since 3.1.0 * * @param string $link The post type archive permalink. * @param string $post_type Post type name. */ return apply_filters( 'post_type_archive_link', $link, $post_type ); } /** * Retrieves the permalink for a post type archive feed. * * @since 3.1.0 * * @param string $post_type Post type * @param string $feed Optional. Feed type. Default empty. * @return string|false The post type feed permalink. */ 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 ); } /** * Filters the post type archive feed link. * * @since 3.1.0 * * @param string $link The post type archive feed link. * @param string $feed Feed type. */ return apply_filters( 'post_type_archive_feed_link', $link, $feed ); } /** * Retrieves the URL used for the post preview. * * Allows additional query args to be appended. * * @since 4.4.0 * * @param int|WP_Post $post Optional. Post ID or `WP_Post` object. Defaults to global `$post`. * @param array $query_args Optional. Array of additional query args to be appended to the link. * Default empty array. * @param string $preview_link Optional. Base preview link to be used if it should differ from the * post permalink. Default empty. * @return string|null URL used for the post preview, or null if the post does not exist. */ function get_preview_post_link( $post = null, $query_args = array(), $preview_link = '' ) { $post = get_post( $post ); if ( ! $post ) { return; } $post_type_object = get_post_type_object( $post->post_type ); if ( is_post_type_viewable( $post_type_object ) ) { if ( ! $preview_link ) { $preview_link = set_url_scheme( get_permalink( $post ) ); } $query_args['preview'] = 'true'; $preview_link = add_query_arg( $query_args, $preview_link ); } /** * Filters the URL used for a post preview. * * @since 2.0.5 * @since 4.0.0 Added the `$post` parameter. * * @param string $preview_link URL used for the post preview. * @param WP_Post $post Post object. */ return apply_filters( 'preview_post_link', $preview_link, $post ); } /** * Retrieves the edit post 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 $id Optional. Post ID. Default is the ID of the global `$post`. * @param string $context Optional. How to output the '&' character. Default '&'. * @return string|null The edit post link for the given post. null if the post type is invalid or does * not allow an editing UI. */ function get_edit_post_link( $id = 0, $context = 'display' ) { if ( ! $post = get_post( $id ) ) return; if ( 'revision' === $post->post_type ) $action = ''; elseif ( 'display' == $context ) $action = '&action=edit'; else $action = '&action=edit'; $post_type_object = get_post_type_object( $post->post_type ); if ( !$post_type_object ) return; if ( !current_user_can( 'edit_post', $post->ID ) ) return; if ( $post_type_object->_edit_link ) { $link = admin_url( sprintf( $post_type_object->_edit_link . $action, $post->ID ) ); } else { $link = ''; } /** * Filters the post edit link. * * @since 2.3.0 * * @param string $link The edit link. * @param int $post_id Post ID. * @param string $context The link context. If set to 'display' then ampersands * are encoded. */ return apply_filters( 'get_edit_post_link', $link, $post->ID, $context ); } /** * Displays the edit post link for post. * * @since 1.0.0 * @since 4.4.0 The `$class` argument was added. * * @param string $text Optional. Anchor text. If null, default is 'Edit This'. Default null. * @param string $before Optional. Display before edit link. Default empty. * @param string $after Optional. Display after edit link. Default empty. * @param int $id Optional. Post ID. Default is the ID of the global `$post`. * @param string $class Optional. Add custom class to link. Default 'post-edit-link'. */ function edit_post_link( $text = null, $before = '', $after = '', $id = 0, $class = 'post-edit-link' ) { if ( ! $post = get_post( $id ) ) { return; } if ( ! $url = get_edit_post_link( $post->ID ) ) { return; } if ( null === $text ) { $text = __( 'Edit This' ); } $link = '' . $text . ''; /** * Filters the post edit link anchor tag. * * @since 2.3.0 * * @param string $link Anchor tag for the edit link. * @param int $post_id Post ID. * @param string $text Anchor text. */ echo $before . apply_filters( 'edit_post_link', $link, $post->ID, $text ) . $after; } /** * Retrieves the 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 $id Optional. Post ID. Default is the ID of the global `$post`. * @param string $deprecated Not used. * @param bool $force_delete Optional. Whether to bypass trash and force deletion. Default false. * @return string|void The delete post link URL for the given post. */ function get_delete_post_link( $id = 0, $deprecated = '', $force_delete = false ) { if ( ! empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '3.0.0' ); if ( !$post = get_post( $id ) ) return; $post_type_object = get_post_type_object( $post->post_type ); if ( !$post_type_object ) return; if ( !current_user_can( 'delete_post', $post->ID ) ) return; $action = ( $force_delete || !EMPTY_TRASH_DAYS ) ? 'delete' : 'trash'; $delete_link = add_query_arg( 'action', $action, admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ); /** * Filters the post delete link. * * @since 2.9.0 * * @param string $link The delete link. * @param int $post_id Post ID. * @param bool $force_delete Whether to bypass the trash and force deletion. Default false. */ return apply_filters( 'get_delete_post_link', wp_nonce_url( $delete_link, "$action-post_{$post->ID}" ), $post->ID, $force_delete ); } /** * Retrieves the edit comment link. * * @since 2.3.0 * * @param int|WP_Comment $comment_id Optional. Comment ID or WP_Comment object. * @return string|void The edit comment link URL for the given comment. */ 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; /** * Filters the comment edit link. * * @since 2.3.0 * * @param string $location The edit link. */ return apply_filters( 'get_edit_comment_link', $location ); } /** * Displays the edit comment link with formatting. * * @since 1.0.0 * * @param string $text Optional. Anchor text. If null, default is 'Edit This'. Default null. * @param string $before Optional. Display before edit link. Default empty. * @param string $after Optional. Display after edit link. Default empty. */ function edit_comment_link( $text = null, $before = '', $after = '' ) { $comment = get_comment(); if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) { return; } if ( null === $text ) { $text = __( 'Edit This' ); } $link = '' . $text . ''; /** * Filters the comment edit link anchor tag. * * @since 2.3.0 * * @param string $link Anchor tag for the edit link. * @param int $comment_id Comment ID. * @param string $text Anchor text. */ echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID, $text ) . $after; } /** * Displays the edit bookmark link. * * @since 2.7.0 * * @param int|stdClass $link Optional. Bookmark ID. Default is the id of the current bookmark. * @return string|void The edit bookmark link URL. */ 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; /** * Filters the bookmark edit link. * * @since 2.7.0 * * @param string $location The edit link. * @param int $link_id Bookmark ID. */ return apply_filters( 'get_edit_bookmark_link', $location, $link->link_id ); } /** * Displays the edit bookmark link anchor content. * * @since 2.7.0 * * @param string $link Optional. Anchor text. Default empty. * @param string $before Optional. Display before edit link. Default empty. * @param string $after Optional. Display after edit link. Default empty. * @param int $bookmark Optional. Bookmark ID. Default is the current bookmark. */ function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = null ) { $bookmark = get_bookmark($bookmark); if ( !current_user_can('manage_links') ) return; if ( empty($link) ) $link = __('Edit This'); $link = '' . $link . ''; /** * Filters the bookmark edit link anchor tag. * * @since 2.7.0 * * @param string $link Anchor tag for the edit link. * @param int $link_id Bookmark ID. */ echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after; } /** * Retrieves the 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' ) ); /** * Filters the user edit link. * * @since 3.5.0 * * @param string $link The edit link. * @param int $user_id User ID. */ return apply_filters( 'get_edit_user_link', $link, $user->ID ); } // Navigation links /** * Retrieves the previous post that is adjacent to the current post. * * @since 1.5.0 * * @param bool $in_same_term Optional. Whether post should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no * corresponding post exists. */ function get_previous_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post( $in_same_term, $excluded_terms, true, $taxonomy ); } /** * Retrieves the next post that is adjacent to the current post. * * @since 1.5.0 * * @param bool $in_same_term Optional. Whether post should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no * corresponding post exists. */ function get_next_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post( $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Retrieves the adjacent post. * * Can either be next or previous post. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param bool $in_same_term Optional. Whether post should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param bool $previous Optional. Whether to retrieve previous post. Default true * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no * corresponding post exists. */ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { global $wpdb; if ( ( ! $post = get_post() ) || ! taxonomy_exists( $taxonomy ) ) return null; $current_post_date = $post->post_date; $join = ''; $where = ''; $adjacent = $previous ? 'previous' : 'next'; if ( $in_same_term || ! empty( $excluded_terms ) ) { if ( ! empty( $excluded_terms ) && ! is_array( $excluded_terms ) ) { // back-compat, $excluded_terms used to be $excluded_terms with IDs separated by " and " if ( false !== strpos( $excluded_terms, ' and ' ) ) { _deprecated_argument( __FUNCTION__, '3.3.0', sprintf( __( 'Use commas instead of %s to separate excluded terms.' ), "'and'" ) ); $excluded_terms = explode( ' and ', $excluded_terms ); } else { $excluded_terms = explode( ',', $excluded_terms ); } $excluded_terms = array_map( 'intval', $excluded_terms ); } if ( $in_same_term ) { $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"; $where .= $wpdb->prepare( "AND tt.taxonomy = %s", $taxonomy ); if ( ! is_object_in_taxonomy( $post->post_type, $taxonomy ) ) return ''; $term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) ); // Remove any exclusions from the term array to include. $term_array = array_diff( $term_array, (array) $excluded_terms ); $term_array = array_map( 'intval', $term_array ); if ( ! $term_array || is_wp_error( $term_array ) ) return ''; $where .= " AND tt.term_id IN (" . implode( ',', $term_array ) . ")"; } /** * Filters the IDs of terms excluded from adjacent post queries. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * @since 4.4.0 * * @param string $excluded_terms Array of excluded term IDs. */ $excluded_terms = apply_filters( "get_{$adjacent}_post_excluded_terms", $excluded_terms ); if ( ! empty( $excluded_terms ) ) { $where .= " AND p.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships tr LEFT JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) WHERE tt.term_id IN (" . implode( ',', array_map( 'intval', $excluded_terms ) ) . ') )'; } } // 'post_status' clause depends on the current user. if ( is_user_logged_in() ) { $user_id = get_current_user_id(); $post_type_object = get_post_type_object( $post->post_type ); if ( empty( $post_type_object ) ) { $post_type_cap = $post->post_type; $read_private_cap = 'read_private_' . $post_type_cap . 's'; } else { $read_private_cap = $post_type_object->cap->read_private_posts; } /* * Results should include private posts belonging to the current user, or private posts where the * current user has the 'read_private_posts' cap. */ $private_states = get_post_stati( array( 'private' => true ) ); $where .= " AND ( p.post_status = 'publish'"; foreach ( (array) $private_states as $state ) { if ( current_user_can( $read_private_cap ) ) { $where .= $wpdb->prepare( " OR p.post_status = %s", $state ); } else { $where .= $wpdb->prepare( " OR (p.post_author = %d AND p.post_status = %s)", $user_id, $state ); } } $where .= " )"; } else { $where .= " AND p.post_status = 'publish'"; } $op = $previous ? '<' : '>'; $order = $previous ? 'DESC' : 'ASC'; /** * Filters the JOIN clause in the SQL for an adjacent post query. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * @since 2.5.0 * @since 4.4.0 Added the `$taxonomy` and `$post` parameters. * * @param string $join The JOIN clause in the SQL. * @param bool $in_same_term Whether post should be in a same taxonomy term. * @param array $excluded_terms Array of excluded term IDs. * @param string $taxonomy Taxonomy. Used to identify the term used when `$in_same_term` is true. * @param WP_Post $post WP_Post object. */ $join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_term, $excluded_terms, $taxonomy, $post ); /** * Filters the WHERE clause in the SQL for an adjacent post query. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * @since 2.5.0 * @since 4.4.0 Added the `$taxonomy` and `$post` parameters. * * @param string $where The `WHERE` clause in the SQL. * @param bool $in_same_term Whether post should be in a same taxonomy term. * @param array $excluded_terms Array of excluded term IDs. * @param string $taxonomy Taxonomy. Used to identify the term used when `$in_same_term` is true. * @param WP_Post $post WP_Post object. */ $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms, $taxonomy, $post ); /** * Filters the ORDER BY clause in the SQL for an adjacent post query. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * @since 2.5.0 * @since 4.4.0 Added the `$post` parameter. * * @param string $order_by The `ORDER BY` clause in the SQL. * @param WP_Post $post WP_Post object. */ $sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1", $post ); $query = "SELECT p.ID FROM $wpdb->posts AS p $join $where $sort"; $query_key = 'adjacent_post_' . md5( $query ); $result = wp_cache_get( $query_key, 'counts' ); if ( false !== $result ) { if ( $result ) $result = get_post( $result ); return $result; } $result = $wpdb->get_var( $query ); if ( null === $result ) $result = ''; wp_cache_set( $query_key, $result, 'counts' ); if ( $result ) $result = get_post( $result ); return $result; } /** * Retrieves the adjacent post relational link. * * Can either be next or previous post relational link. * * @since 2.8.0 * * @param string $title Optional. Link title format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param bool $previous Optional. Whether to display link to previous or next post. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string|void The adjacent post relational link URL. */ function get_adjacent_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { if ( $previous && is_attachment() && $post = get_post() ) $post = get_post( $post->post_parent ); else $post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy ); if ( empty( $post ) ) return; $post_title = the_title_attribute( array( 'echo' => false, 'post' => $post ) ); if ( empty( $post_title ) ) $post_title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); $date = mysql2date( get_option( 'date_format' ), $post->post_date ); $title = str_replace( '%title', $post_title, $title ); $title = str_replace( '%date', $date, $title ); $link = $previous ? "\n"; $adjacent = $previous ? 'previous' : 'next'; /** * Filters the adjacent post relational link. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * @since 2.8.0 * * @param string $link The relational link. */ return apply_filters( "{$adjacent}_post_rel_link", $link ); } /** * Displays the relational links for the posts adjacent to the current post. * * @since 2.8.0 * * @param string $title Optional. Link title format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function adjacent_posts_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, true, $taxonomy ); echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Displays 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 * * @see adjacent_posts_rel_link() */ function adjacent_posts_rel_link_wp_head() { if ( ! is_single() || is_attachment() ) { return; } adjacent_posts_rel_link(); } /** * Displays the relational link for the next post adjacent to the current post. * * @since 2.8.0 * * @see get_adjacent_post_rel_link() * * @param string $title Optional. Link title format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function next_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Displays the relational link for the previous post adjacent to the current post. * * @since 2.8.0 * * @see get_adjacent_post_rel_link() * * @param string $title Optional. Link title format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function prev_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, true, $taxonomy ); } /** * Retrieves the boundary post. * * Boundary being either the first or last post by publish date within the constraints specified * by $in_same_term or $excluded_terms. * * @since 2.8.0 * * @param bool $in_same_term Optional. Whether returned post should be in a same taxonomy term. * Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param bool $start Optional. Whether to retrieve first or last post. Default true * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return null|array Array containing the boundary post object if successful, null otherwise. */ function get_boundary_post( $in_same_term = false, $excluded_terms = '', $start = true, $taxonomy = 'category' ) { $post = get_post(); if ( ! $post || ! is_single() || is_attachment() || ! taxonomy_exists( $taxonomy ) ) return null; $query_args = array( 'posts_per_page' => 1, 'order' => $start ? 'ASC' : 'DESC', 'update_post_term_cache' => false, 'update_post_meta_cache' => false ); $term_array = array(); if ( ! is_array( $excluded_terms ) ) { if ( ! empty( $excluded_terms ) ) $excluded_terms = explode( ',', $excluded_terms ); else $excluded_terms = array(); } if ( $in_same_term || ! empty( $excluded_terms ) ) { if ( $in_same_term ) $term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) ); if ( ! empty( $excluded_terms ) ) { $excluded_terms = array_map( 'intval', $excluded_terms ); $excluded_terms = array_diff( $excluded_terms, $term_array ); $inverse_terms = array(); foreach ( $excluded_terms as $excluded_term ) $inverse_terms[] = $excluded_term * -1; $excluded_terms = $inverse_terms; } $query_args[ 'tax_query' ] = array( array( 'taxonomy' => $taxonomy, 'terms' => array_merge( $term_array, $excluded_terms ) ) ); } return get_posts( $query_args ); } /** * Retrieves the previous post link that is adjacent to the current post. * * @since 3.7.0 * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title%'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string The link URL of the previous post in relation to the current post. */ function get_previous_post_link( $format = '« %link', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, true, $taxonomy ); } /** * Displays the previous post link that is adjacent to the current post. * * @since 1.5.0 * * @see get_previous_post_link() * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function previous_post_link( $format = '« %link', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_previous_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy ); } /** * Retrieves the next post link that is adjacent to the current post. * * @since 3.7.0 * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string The link URL of the next post in relation to the current post. */ function get_next_post_link( $format = '%link »', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Displays the next post link that is adjacent to the current post. * * @since 1.5.0 * @see get_next_post_link() * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title' * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function next_post_link( $format = '%link »', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_next_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy ); } /** * Retrieves the adjacent post link. * * Can be either next post link or previous. * * @since 3.7.0 * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded terms IDs. Default empty. * @param bool $previous Optional. Whether to display link to previous or next post. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. * @return string The link URL of the previous or next post in relation to the current post. */ function get_adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { if ( $previous && is_attachment() ) $post = get_post( get_post()->post_parent ); else $post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy ); if ( ! $post ) { $output = ''; } else { $title = $post->post_title; if ( empty( $post->post_title ) ) $title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); /** This filter is documented in wp-includes/post-template.php */ $title = apply_filters( 'the_title', $title, $post->ID ); $date = mysql2date( get_option( 'date_format' ), $post->post_date ); $rel = $previous ? 'prev' : 'next'; $string = ''; $inlink = str_replace( '%title', $title, $link ); $inlink = str_replace( '%date', $date, $inlink ); $inlink = $string . $inlink . ''; $output = str_replace( '%link', $inlink, $format ); } $adjacent = $previous ? 'previous' : 'next'; /** * Filters the adjacent post link. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * @since 2.6.0 * @since 4.2.0 Added the `$adjacent` parameter. * * @param string $output The adjacent post link. * @param string $format Link anchor format. * @param string $link Link permalink format. * @param WP_Post $post The adjacent post. * @param string $adjacent Whether the post is previous or next. */ return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post, $adjacent ); } /** * Displays the 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_term Optional. Whether link should be in a same taxonomy term. Default false. * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded category IDs. Default empty. * @param bool $previous Optional. Whether to display link to previous or next post. Default true. * @param string $taxonomy Optional. Taxonomy, if $in_same_term is true. Default 'category'. */ function adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { echo get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, $previous, $taxonomy ); } /** * Retrieves the link for a page number. * * @since 1.5.0 * * @global WP_Rewrite $wp_rewrite * * @param int $pagenum Optional. Page ID. Default 1. * @param bool $escape Optional. Whether to escape the URL for display, with esc_url(). Defaults to true. * Otherwise, prepares the URL with esc_url_raw(). * @return string The link URL for the given page number. */ function get_pagenum_link($pagenum = 1, $escape = true ) { global $wp_rewrite; $pagenum = (int) $pagenum; $request = remove_query_arg( 'paged' ); $home_root = parse_url(home_url()); $home_root = ( isset($home_root['path']) ) ? $home_root['path'] : ''; $home_root = preg_quote( $home_root, '|' ); $request = preg_replace('|^'. $home_root . '|i', '', $request); $request = preg_replace('|^/+|', '', $request); if ( !$wp_rewrite->using_permalinks() || is_admin() ) { $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $pagenum > 1 ) { $result = add_query_arg( 'paged', $pagenum, $base . $request ); } else { $result = $base . $request; } } else { $qs_regex = '|\?.*?$|'; preg_match( $qs_regex, $request, $qs_match ); if ( !empty( $qs_match[0] ) ) { $query_string = $qs_match[0]; $request = preg_replace( $qs_regex, '', $request ); } else { $query_string = ''; } $request = preg_replace( "|$wp_rewrite->pagination_base/\d+/?$|", '', $request); $request = preg_replace( '|^' . preg_quote( $wp_rewrite->index, '|' ) . '|i', '', $request); $request = ltrim($request, '/'); $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) ) $base .= $wp_rewrite->index . '/'; if ( $pagenum > 1 ) { $request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( $wp_rewrite->pagination_base . "/" . $pagenum, 'paged' ); } $result = $base . $request . $query_string; } /** * Filters the page number link for the current request. * * @since 2.5.0 * * @param string $result The page number link. */ $result = apply_filters( 'get_pagenum_link', $result ); if ( $escape ) return esc_url( $result ); else return esc_url_raw( $result ); } /** * Retrieves the next posts page link. * * Backported from 2.1.3 to 2.0.10. * * @since 2.0.10 * * @global int $paged * * @param int $max_page Optional. Max pages. Default 0. * @return string|void The link URL for next posts page. */ function get_next_posts_page_link($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); } } /** * Displays or retrieves the next posts page link. * * @since 0.71 * * @param int $max_page Optional. Max pages. Default 0. * @param bool $echo Optional. Whether to echo the link. Default true. * @return string|void The link URL for next posts page if `$echo = false`. */ 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; } /** * Retrieves the next posts page link. * * @since 2.7.0 * * @global int $paged * @global WP_Query $wp_query * * @param string $label Content for link text. * @param int $max_page Optional. Max pages. Default 0. * @return string|void HTML-formatted next posts page link. */ 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 ) ) { /** * Filters the anchor tag attributes for the next posts page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'next_posts_link_attributes', '' ); return '" . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) . ''; } } /** * Displays the next posts page link. * * @since 0.71 * * @param string $label Content for link text. * @param int $max_page Optional. Max pages. Default 0. */ function next_posts_link( $label = null, $max_page = 0 ) { echo get_next_posts_link( $label, $max_page ); } /** * Retrieves the previous posts page link. * * Will only return string, if not on a single page or post. * * Backported to 2.0.10 from 2.1.3. * * @since 2.0.10 * * @global int $paged * * @return string|void The link for the previous posts page. */ 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); } } /** * Displays or retrieves the previous posts page link. * * @since 0.71 * * @param bool $echo Optional. Whether to echo the link. Default true. * @return string|void The previous posts page link if `$echo = false`. */ function previous_posts( $echo = true ) { $output = esc_url( get_previous_posts_page_link() ); if ( $echo ) echo $output; else return $output; } /** * Retrieves the previous posts page link. * * @since 2.7.0 * * @global int $paged * * @param string $label Optional. Previous page link text. * @return string|void HTML-formatted previous page link. */ function get_previous_posts_link( $label = null ) { global $paged; if ( null === $label ) $label = __( '« Previous Page' ); if ( !is_single() && $paged > 1 ) { /** * Filters the anchor tag attributes for the previous posts page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'previous_posts_link_attributes', '' ); return '". preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) .''; } } /** * Displays the previous posts page link. * * @since 0.71 * * @param string $label Optional. Previous page link text. */ function previous_posts_link( $label = null ) { echo get_previous_posts_link( $label ); } /** * Retrieves the post pages link navigation for previous and next pages. * * @since 2.8.0 * * @global WP_Query $wp_query * * @param string|array $args { * Optional. Arguments to build the post pages link navigation. * * @type string $sep Separator character. Default '—'. * @type string $prelabel Link text to display for the previous page link. * Default '« Previous Page'. * @type string $nxtlabel Link text to display for the next page link. * Default 'Next Page »'. * } * @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; } /** * Displays the post pages link navigation for previous and next pages. * * @since 0.71 * * @param string $sep Optional. Separator for posts navigation links. Default empty. * @param string $prelabel Optional. Label for previous pages. Default empty. * @param string $nxtlabel Optional Label for next pages. Default empty. */ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) { $args = array_filter( compact('sep', 'prelabel', 'nxtlabel') ); echo get_posts_nav_link($args); } /** * Retrieves the navigation to next/previous post, when applicable. * * @since 4.1.0 * @since 4.4.0 Introduced the `in_same_term`, `excluded_terms`, and `taxonomy` arguments. * * @param array $args { * Optional. Default post navigation arguments. Default empty array. * * @type string $prev_text Anchor text to display in the previous post link. Default '%title'. * @type string $next_text Anchor text to display in the next post link. Default '%title'. * @type bool $in_same_term Whether link should be in a same taxonomy term. Default false. * @type array|string $excluded_terms Array or comma-separated list of excluded term IDs. Default empty. * @type string $taxonomy Taxonomy, if `$in_same_term` is true. Default 'category'. * @type string $screen_reader_text Screen reader text for nav element. Default 'Post navigation'. * } * @return string Markup for post links. */ function get_the_post_navigation( $args = array() ) { $args = wp_parse_args( $args, array( 'prev_text' => '%title', 'next_text' => '%title', 'in_same_term' => false, 'excluded_terms' => '', 'taxonomy' => 'category', 'screen_reader_text' => __( 'Post navigation' ), ) ); $navigation = ''; $previous = get_previous_post_link( '', $args['prev_text'], $args['in_same_term'], $args['excluded_terms'], $args['taxonomy'] ); $next = get_next_post_link( '', $args['next_text'], $args['in_same_term'], $args['excluded_terms'], $args['taxonomy'] ); // Only add markup if there's somewhere to navigate to. if ( $previous || $next ) { $navigation = _navigation_markup( $previous . $next, 'post-navigation', $args['screen_reader_text'] ); } return $navigation; } /** * Displays the navigation to next/previous post, when applicable. * * @since 4.1.0 * * @param array $args Optional. See get_the_post_navigation() for available arguments. * Default empty array. */ function the_post_navigation( $args = array() ) { echo get_the_post_navigation( $args ); } /** * Returns the navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * * @global WP_Query $wp_query WordPress Query object. * * @param array $args { * Optional. Default posts navigation arguments. Default empty array. * * @type string $prev_text Anchor text to display in the previous posts link. * Default 'Older posts'. * @type string $next_text Anchor text to display in the next posts link. * Default 'Newer posts'. * @type string $screen_reader_text Screen reader text for nav element. * Default 'Posts navigation'. * } * @return string Markup for posts links. */ function get_the_posts_navigation( $args = array() ) { $navigation = ''; // Don't print empty markup if there's only one page. if ( $GLOBALS['wp_query']->max_num_pages > 1 ) { $args = wp_parse_args( $args, array( 'prev_text' => __( 'Older posts' ), 'next_text' => __( 'Newer posts' ), 'screen_reader_text' => __( 'Posts navigation' ), ) ); $next_link = get_previous_posts_link( $args['next_text'] ); $prev_link = get_next_posts_link( $args['prev_text'] ); if ( $prev_link ) { $navigation .= ''; } if ( $next_link ) { $navigation .= ''; } $navigation = _navigation_markup( $navigation, 'posts-navigation', $args['screen_reader_text'] ); } return $navigation; } /** * Displays the navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * * @param array $args Optional. See get_the_posts_navigation() for available arguments. * Default empty array. */ function the_posts_navigation( $args = array() ) { echo get_the_posts_navigation( $args ); } /** * Retrieves a paginated navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * * @param array $args { * Optional. Default pagination arguments, see paginate_links(). * * @type string $screen_reader_text Screen reader text for navigation element. * Default 'Posts navigation'. * } * @return string Markup for pagination links. */ function get_the_posts_pagination( $args = array() ) { $navigation = ''; // Don't print empty markup if there's only one page. if ( $GLOBALS['wp_query']->max_num_pages > 1 ) { $args = wp_parse_args( $args, array( 'mid_size' => 1, 'prev_text' => _x( 'Previous', 'previous set of posts' ), 'next_text' => _x( 'Next', 'next set of posts' ), 'screen_reader_text' => __( 'Posts navigation' ), ) ); // Make sure we get a string back. Plain is the next best thing. if ( isset( $args['type'] ) && 'array' == $args['type'] ) { $args['type'] = 'plain'; } // Set up paginated links. $links = paginate_links( $args ); if ( $links ) { $navigation = _navigation_markup( $links, 'pagination', $args['screen_reader_text'] ); } } return $navigation; } /** * Displays a paginated navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * * @param array $args Optional. See get_the_posts_pagination() for available arguments. * Default empty array. */ function the_posts_pagination( $args = array() ) { echo get_the_posts_pagination( $args ); } /** * Wraps passed links in navigational markup. * * @since 4.1.0 * @access private * * @param string $links Navigational links. * @param string $class Optional. Custom class for nav element. Default: 'posts-navigation'. * @param string $screen_reader_text Optional. Screen reader text for nav element. Default: 'Posts navigation'. * @return string Navigation template tag. */ function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader_text = '' ) { if ( empty( $screen_reader_text ) ) { $screen_reader_text = __( 'Posts navigation' ); } $template = ' '; /** * Filters the navigation markup template. * * Note: The filtered template HTML must contain specifiers for the navigation * class (%1$s), the screen-reader-text value (%2$s), and placement of the * navigation links (%3$s): * * * * @since 4.4.0 * * @param string $template The default template. * @param string $class The class passed by the calling function. * @return string Navigation template. */ $template = apply_filters( 'navigation_markup_template', $template, $class ); return sprintf( $template, sanitize_html_class( $class ), esc_html( $screen_reader_text ), $links ); } /** * Retrieves the comments page number link. * * @since 2.7.0 * * @global WP_Rewrite $wp_rewrite * * @param int $pagenum Optional. Page number. Default 1. * @param int $max_page Optional. The maximum number of comment pages. Default 0. * @return string The comments page number link URL. */ function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { global $wp_rewrite; $pagenum = (int) $pagenum; $result = get_permalink(); if ( 'newest' == get_option('default_comments_page') ) { if ( $pagenum != $max_page ) { if ( $wp_rewrite->using_permalinks() ) $result = user_trailingslashit( trailingslashit($result) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged'); else $result = add_query_arg( 'cpage', $pagenum, $result ); } } elseif ( $pagenum > 1 ) { if ( $wp_rewrite->using_permalinks() ) $result = user_trailingslashit( trailingslashit($result) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged'); else $result = add_query_arg( 'cpage', $pagenum, $result ); } $result .= '#comments'; /** * Filters the comments page number link for the current request. * * @since 2.7.0 * * @param string $result The comments page number link. */ return apply_filters( 'get_comments_pagenum_link', $result ); } /** * Retrieves the link to the next comments page. * * @since 2.7.1 * * @global WP_Query $wp_query * * @param string $label Optional. Label for link text. Default empty. * @param int $max_page Optional. Max page. Default 0. * @return string|void HTML-formatted link for the next page of comments. */ function get_next_comments_link( $label = '', $max_page = 0 ) { global $wp_query; if ( ! is_singular() ) return; $page = get_query_var('cpage'); if ( ! $page ) { $page = 1; } $nextpage = intval($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 »'); /** * Filters the anchor tag attributes for the next comments page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ return ''. preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .''; } /** * Displays the link to the next comments page. * * @since 2.7.0 * * @param string $label Optional. Label for link text. Default empty. * @param int $max_page Optional. Max page. Default 0. */ function next_comments_link( $label = '', $max_page = 0 ) { echo get_next_comments_link( $label, $max_page ); } /** * Retrieves the link to the previous comments page. * * @since 2.7.1 * * @param string $label Optional. Label for comments link text. Default empty. * @return string|void HTML-formatted link for the previous page of comments. */ function get_previous_comments_link( $label = '' ) { if ( ! is_singular() ) return; $page = get_query_var('cpage'); if ( intval($page) <= 1 ) return; $prevpage = intval($page) - 1; if ( empty($label) ) $label = __('« Older Comments'); /** * Filters the anchor tag attributes for the previous comments page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ return '' . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&$1', $label) .''; } /** * Displays the link to the previous comments page. * * @since 2.7.0 * * @param string $label Optional. Label for comments link text. Default empty. */ function previous_comments_link( $label = '' ) { echo get_previous_comments_link( $label ); } /** * Displays or retrieves pagination links for the comments on the current post. * * @see paginate_links() * @since 2.7.0 * * @global WP_Rewrite $wp_rewrite * * @param string|array $args Optional args. See paginate_links(). Default empty array. * @return string|void Markup for pagination links. */ function paginate_comments_links( $args = array() ) { global $wp_rewrite; if ( ! is_singular() ) 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()) . $wp_rewrite->comments_pagination_base . '-%#%', 'commentpaged'); $args = wp_parse_args( $args, $defaults ); $page_links = paginate_links( $args ); if ( $args['echo'] ) echo $page_links; else return $page_links; } /** * Retrieves navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * * @param array $args { * Optional. Default comments navigation arguments. * * @type string $prev_text Anchor text to display in the previous comments link. * Default 'Older comments'. * @type string $next_text Anchor text to display in the next comments link. * Default 'Newer comments'. * @type string $screen_reader_text Screen reader text for nav element. Default 'Comments navigation'. * } * @return string Markup for comments links. */ function get_the_comments_navigation( $args = array() ) { $navigation = ''; // Are there comments to navigate through? if ( get_comment_pages_count() > 1 ) { $args = wp_parse_args( $args, array( 'prev_text' => __( 'Older comments' ), 'next_text' => __( 'Newer comments' ), 'screen_reader_text' => __( 'Comments navigation' ), ) ); $prev_link = get_previous_comments_link( $args['prev_text'] ); $next_link = get_next_comments_link( $args['next_text'] ); if ( $prev_link ) { $navigation .= ''; } if ( $next_link ) { $navigation .= ''; } $navigation = _navigation_markup( $navigation, 'comment-navigation', $args['screen_reader_text'] ); } return $navigation; } /** * Displays navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * * @param array $args See get_the_comments_navigation() for available arguments. Default empty array. */ function the_comments_navigation( $args = array() ) { echo get_the_comments_navigation( $args ); } /** * Retrieves a paginated navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * * @see paginate_comments_links() * * @param array $args { * Optional. Default pagination arguments. * * @type string $screen_reader_text Screen reader text for nav element. Default 'Comments navigation'. * } * @return string Markup for pagination links. */ function get_the_comments_pagination( $args = array() ) { $navigation = ''; $args = wp_parse_args( $args, array( 'screen_reader_text' => __( 'Comments navigation' ), ) ); $args['echo'] = false; // Make sure we get plain links, so we get a string we can work with. $args['type'] = 'plain'; $links = paginate_comments_links( $args ); if ( $links ) { $navigation = _navigation_markup( $links, 'comments-pagination', $args['screen_reader_text'] ); } return $navigation; } /** * Displays a paginated navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * * @param array $args See get_the_comments_pagination() for available arguments. Default empty array. */ function the_comments_pagination( $args = array() ) { echo get_the_comments_pagination( $args ); } /** * Retrieves the Press This bookmarklet link. * * @since 2.6.0 * * @global bool $is_IE Whether the browser matches an Internet Explorer user agent. */ function get_shortcut_link() { global $is_IE; include_once( ABSPATH . 'wp-admin/includes/class-wp-press-this.php' ); $link = ''; if ( $is_IE ) { /* * Return the old/shorter bookmarklet code for MSIE 8 and lower, * since they only support a max length of ~2000 characters for * bookmark[let] URLs, which is way to small for our smarter one. * Do update the version number so users do not get the "upgrade your * bookmarklet" notice when using PT in those browsers. */ $ua = $_SERVER['HTTP_USER_AGENT']; if ( ! empty( $ua ) && preg_match( '/\bMSIE (\d)/', $ua, $matches ) && (int) $matches[1] <= 8 ) { $url = wp_json_encode( admin_url( 'press-this.php' ) ); $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=' . $url . ',l=d.location,e=encodeURIComponent,' . 'u=f+"?u="+e(l.href)+"&t="+e(d.title)+"&s="+e(s)+"&v=' . WP_Press_This::VERSION . '";' . 'a=function(){if(!w.open(u,"t","toolbar=0,resizable=1,scrollbars=1,status=1,width=600,height=700"))l.href=u;};' . 'if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else a();void(0)'; } } if ( empty( $link ) ) { $src = @file_get_contents( ABSPATH . 'wp-admin/js/bookmarklet.min.js' ); if ( $src ) { $url = wp_json_encode( admin_url( 'press-this.php' ) . '?v=' . WP_Press_This::VERSION ); $link = 'javascript:' . str_replace( 'window.pt_url', $url, $src ); } } $link = str_replace( array( "\r", "\n", "\t" ), '', $link ); /** * Filters the Press This bookmarklet link. * * @since 2.6.0 * * @param string $link The Press This bookmarklet link. */ return apply_filters( 'shortcut_link', $link ); } /** * Retrieves the URL for the current site where the front end is accessible. * * Returns the 'home' option with the appropriate protocol. The protocol will be 'https' * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option. * If `$scheme` is 'http' or 'https', is_ssl() is overridden. * * @since 3.0.0 * * @param string $path Optional. Path relative to the home URL. Default empty. * @param string|null $scheme Optional. Scheme to give the home URL context. Accepts * 'http', 'https', 'relative', 'rest', or null. Default null. * @return string Home URL link with optional path appended. */ function home_url( $path = '', $scheme = null ) { return get_home_url( null, $path, $scheme ); } /** * Retrieves the URL for a given site where the front end is accessible. * * Returns the 'home' option with the appropriate protocol. The protocol will be 'https' * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option. * If `$scheme` is 'http' or 'https', is_ssl() is overridden. * * @since 3.0.0 * * @global string $pagenow * * @param int $blog_id Optional. Site ID. Default null (current site). * @param string $path Optional. Path relative to the home URL. Default empty. * @param string|null $scheme Optional. Scheme to give the home URL context. Accepts * 'http', 'https', 'relative', 'rest', or null. Default null. * @return string Home URL link with optional path appended. */ function get_home_url( $blog_id = null, $path = '', $scheme = null ) { global $pagenow; $orig_scheme = $scheme; if ( empty( $blog_id ) || !is_multisite() ) { $url = get_option( 'home' ); } else { switch_to_blog( $blog_id ); $url = get_option( 'home' ); restore_current_blog(); } if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) { if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow ) $scheme = 'https'; else $scheme = parse_url( $url, PHP_URL_SCHEME ); } $url = set_url_scheme( $url, $scheme ); if ( $path && is_string( $path ) ) $url .= '/' . ltrim( $path, '/' ); /** * Filters the home URL. * * @since 3.0.0 * * @param string $url The complete home URL including scheme and path. * @param string $path Path relative to the home URL. Blank string if no path is specified. * @param string|null $orig_scheme Scheme to give the home URL context. Accepts 'http', 'https', * 'relative', 'rest', or null. * @param int|null $blog_id Site ID, or null for the current site. */ return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id ); } /** * Retrieves the URL for the current site where WordPress application files * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible. * * 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. * * @since 3.0.0 * * @param string $path Optional. Path relative to the site URL. Default empty. * @param string $scheme Optional. Scheme to give the site URL context. See set_url_scheme(). * @return string Site URL link with optional path appended. */ function site_url( $path = '', $scheme = null ) { return get_site_url( null, $path, $scheme ); } /** * Retrieves the URL for a given site where WordPress application files * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible. * * Returns the 'site_url' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If `$scheme` is 'http' or 'https', * `is_ssl()` is overridden. * * @since 3.0.0 * * @param int $blog_id Optional. Site ID. Default null (current site). * @param string $path Optional. Path relative to the site URL. Default empty. * @param string $scheme Optional. Scheme to give the site URL context. Accepts * 'http', 'https', 'login', 'login_post', 'admin', or * 'relative'. Default null. * @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, '/' ); /** * Filters the site URL. * * @since 2.7.0 * * @param string $url The complete site URL including scheme and path. * @param string $path Path relative to the site URL. Blank string if no path is specified. * @param string|null $scheme Scheme to give the site URL context. Accepts 'http', 'https', 'login', * 'login_post', 'admin', 'relative' or null. * @param int|null $blog_id Site ID, or null for the current site. */ return apply_filters( 'site_url', $url, $path, $scheme, $blog_id ); } /** * Retrieves the URL to the admin area for the current site. * * @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 ); } /** * Retrieves the URL to the admin area for a given site. * * @since 3.0.0 * * @param int $blog_id Optional. Site ID. Default null (current site). * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme Optional. The scheme to use. Accepts 'http' or 'https', * to force those schemes. Default 'admin', which obeys * force_ssl_admin() and is_ssl(). * @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, '/' ); /** * Filters the admin area URL. * * @since 2.8.0 * * @param string $url The complete admin area URL including scheme and path. * @param string $path Path relative to the admin area URL. Blank string if no path is specified. * @param int|null $blog_id Site ID, or null for the current site. */ return apply_filters( 'admin_url', $url, $path, $blog_id ); } /** * Retrieves the URL to the includes directory. * * @since 2.6.0 * * @param string $path Optional. Path relative to the includes URL. Default empty. * @param string $scheme Optional. Scheme to give the includes URL context. Accepts * 'http', 'https', or 'relative'. Default null. * @return string Includes URL link with optional path appended. */ function includes_url( $path = '', $scheme = null ) { $url = site_url( '/' . WPINC . '/', $scheme ); if ( $path && is_string( $path ) ) $url .= ltrim($path, '/'); /** * Filters the URL to the includes directory. * * @since 2.8.0 * * @param string $url The complete URL to the includes directory including scheme and path. * @param string $path Path relative to the URL to the wp-includes directory. Blank string * if no path is specified. */ return apply_filters( 'includes_url', $url, $path ); } /** * Retrieves the URL to the content directory. * * @since 2.6.0 * * @param string $path Optional. Path relative to the content URL. Default empty. * @return string Content URL link with optional path appended. */ function content_url( $path = '' ) { $url = set_url_scheme( WP_CONTENT_URL ); if ( $path && is_string( $path ) ) $url .= '/' . ltrim($path, '/'); /** * Filters the URL to the content directory. * * @since 2.8.0 * * @param string $url The complete URL to the content directory including scheme and path. * @param string $path Path relative to the URL to the content directory. Blank string * if no path is specified. */ return apply_filters( 'content_url', $url, $path); } /** * Retrieves a URL within the plugins or mu-plugins directory. * * Defaults to the plugins directory URL if no arguments are supplied. * * @since 2.6.0 * * @param string $path Optional. Extra path appended to the end of the URL, including * the relative directory if $plugin is supplied. Default empty. * @param string $plugin Optional. A full path to a file inside a plugin or mu-plugin. * The URL will be relative to its directory. Default empty. * Typically this is done by passing `__FILE__` as the argument. * @return string Plugins URL link with optional paths appended. */ function plugins_url( $path = '', $plugin = '' ) { $path = wp_normalize_path( $path ); $plugin = wp_normalize_path( $plugin ); $mu_plugin_dir = wp_normalize_path( WPMU_PLUGIN_DIR ); if ( !empty($plugin) && 0 === strpos($plugin, $mu_plugin_dir) ) $url = WPMU_PLUGIN_URL; else $url = WP_PLUGIN_URL; $url = set_url_scheme( $url ); if ( !empty($plugin) && is_string($plugin) ) { $folder = dirname(plugin_basename($plugin)); if ( '.' != $folder ) $url .= '/' . ltrim($folder, '/'); } if ( $path && is_string( $path ) ) $url .= '/' . ltrim($path, '/'); /** * Filters the URL to the plugins directory. * * @since 2.8.0 * * @param string $url The complete URL to the plugins directory including scheme and path. * @param string $path Path relative to the URL to the plugins directory. Blank string * if no path is specified. * @param string $plugin The plugin file path to be relative to. Blank string if no plugin * is specified. */ return apply_filters( 'plugins_url', $url, $path, $plugin ); } /** * Retrieves 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. * * @since 3.0.0 * * @see set_url_scheme() * * @param string $path Optional. Path relative to the site URL. Default empty. * @param string $scheme Optional. Scheme to give the site URL context. Accepts * 'http', 'https', or 'relative'. Default null. * @return string Site URL link with optional path appended. */ function network_site_url( $path = '', $scheme = null ) { if ( ! is_multisite() ) return site_url($path, $scheme); $current_network = get_network(); if ( 'relative' == $scheme ) $url = $current_network->path; else $url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme ); if ( $path && is_string( $path ) ) $url .= ltrim( $path, '/' ); /** * Filters the network site URL. * * @since 3.0.0 * * @param string $url The complete network site URL including scheme and path. * @param string $path Path relative to the network site URL. Blank string if * no path is specified. * @param string|null $scheme Scheme to give the URL context. Accepts 'http', 'https', * 'relative' or null. */ return apply_filters( 'network_site_url', $url, $path, $scheme ); } /** * Retrieves the home URL for the current network. * * Returns the home URL with the appropriate protocol, 'https' is_ssl() * and 'http' otherwise. If `$scheme` is 'http' or 'https', `is_ssl()` is * overridden. * * @since 3.0.0 * * @param string $path Optional. Path relative to the home URL. Default empty. * @param string $scheme Optional. Scheme to give the home URL context. Accepts * 'http', 'https', or 'relative'. Default null. * @return string Home URL link with optional path appended. */ function network_home_url( $path = '', $scheme = null ) { if ( ! is_multisite() ) return home_url($path, $scheme); $current_network = get_network(); $orig_scheme = $scheme; if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) $scheme = is_ssl() && ! is_admin() ? 'https' : 'http'; if ( 'relative' == $scheme ) $url = $current_network->path; else $url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme ); if ( $path && is_string( $path ) ) $url .= ltrim( $path, '/' ); /** * Filters the network home URL. * * @since 3.0.0 * * @param string $url The complete network home URL including scheme and path. * @param string $path Path relative to the network home URL. Blank string * if no path is specified. * @param string|null $orig_scheme Scheme to give the URL context. Accepts 'http', 'https', * 'relative' or null. */ return apply_filters( 'network_home_url', $url, $path, $orig_scheme); } /** * Retrieves the URL to the admin area for the network. * * @since 3.0.0 * * @param string $path Optional path relative to the admin URL. Default empty. * @param string $scheme Optional. 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, '/'); /** * Filters the network admin URL. * * @since 3.0.0 * * @param string $url The complete network admin URL including scheme and path. * @param string $path Path relative to the network admin URL. Blank string if * no path is specified. */ return apply_filters( 'network_admin_url', $url, $path ); } /** * Retrieves the URL to the admin area for the current user. * * @since 3.0.0 * * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme Optional. 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, '/'); /** * Filters the user admin URL for the current user. * * @since 3.1.0 * * @param string $url The complete URL including scheme and path. * @param string $path Path relative to the URL. Blank string if * no path is specified. */ return apply_filters( 'user_admin_url', $url, $path ); } /** * Retrieves the URL to the admin area for either the current site or the network depending on context. * * @since 3.1.0 * * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme Optional. 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); } /** * Sets the scheme for a URL. * * @since 3.4.0 * @since 4.4.0 The 'rest' scheme was added. * * @param string $url Absolute URL that includes a scheme * @param string|null $scheme Optional. Scheme to give $url. Currently 'http', 'https', 'login', * 'login_post', 'admin', 'relative', 'rest', 'rpc', or null. Default null. * @return string $url URL with chosen scheme. */ function set_url_scheme( $url, $scheme = null ) { $orig_scheme = $scheme; if ( ! $scheme ) { $scheme = is_ssl() ? 'https' : 'http'; } elseif ( $scheme === 'admin' || $scheme === 'login' || $scheme === 'login_post' || $scheme === 'rpc' ) { $scheme = is_ssl() || force_ssl_admin() ? 'https' : 'http'; } elseif ( $scheme !== 'http' && $scheme !== 'https' && $scheme !== 'relative' ) { $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 ); } /** * Filters the resulting URL after setting the scheme. * * @since 3.4.0 * * @param string $url The complete URL including scheme and path. * @param string $scheme Scheme applied to the URL. One of 'http', 'https', or 'relative'. * @param string|null $orig_scheme Scheme requested for the URL. One of 'http', 'https', 'login', * 'login_post', 'admin', 'relative', 'rest', 'rpc', or null. */ return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme ); } /** * Retrieves 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 site is returned. * * @since 3.1.0 * * @param int $user_id Optional. User ID. Defaults to current user. * @param string $path Optional path relative to the dashboard. Use only paths known to * both site and user admins. Default empty. * @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 = 0, $path = '', $scheme = 'admin' ) { $user_id = $user_id ? (int) $user_id : get_current_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 ); } } /** * Filters the dashboard URL for a user. * * @since 3.1.0 * * @param string $url The complete URL including scheme and path. * @param int $user_id The user ID. * @param string $path Path relative to the URL. Blank string if no path is specified. * @param string $scheme Scheme to give the URL context. Accepts 'http', 'https', 'login', * 'login_post', 'admin', 'relative' or null. */ return apply_filters( 'user_dashboard_url', $url, $user_id, $path, $scheme); } /** * Retrieves the URL to the user's profile editor. * * @since 3.1.0 * * @param int $user_id Optional. User ID. Defaults to current user. * @param string $scheme Optional. 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_id = 0, $scheme = 'admin' ) { $user_id = $user_id ? (int) $user_id : get_current_user_id(); 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_id, 'profile.php', $scheme ); /** * Filters the URL for a user's profile editor. * * @since 3.1.0 * * @param string $url The complete URL including scheme and path. * @param int $user_id The user ID. * @param string $scheme Scheme to give the URL context. Accepts 'http', 'https', 'login', * 'login_post', 'admin', 'relative' or null. */ return apply_filters( 'edit_profile_url', $url, $user_id, $scheme); } /** * Returns the canonical URL for a post. * * When the post is the same as the current requested page the function will handle the * pagination arguments too. * * @since 4.6.0 * * @param int|WP_Post $post Optional. Post ID or object. Default is global `$post`. * @return string|false The canonical URL, or false if the post does not exist or has not * been published yet. */ function wp_get_canonical_url( $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } if ( 'publish' !== $post->post_status ) { return false; } $canonical_url = get_permalink( $post ); // If a canonical is being generated for the current page, make sure it has pagination if needed. if ( $post->ID === get_queried_object_id() ) { $page = get_query_var( 'page', 0 ); if ( $page >= 2 ) { if ( '' == get_option( 'permalink_structure' ) ) { $canonical_url = add_query_arg( 'page', $page, $canonical_url ); } else { $canonical_url = trailingslashit( $canonical_url ) . user_trailingslashit( $page, 'single_paged' ); } } $cpage = get_query_var( 'cpage', 0 ); if ( $cpage ) { $canonical_url = get_comments_pagenum_link( $cpage ); } } /** * Filters the canonical URL for a post. * * @since 4.6.0 * * @param string $string The post's canonical URL. * @param WP_Post $post Post object. */ return apply_filters( 'get_canonical_url', $canonical_url, $post ); } /** * Outputs rel=canonical for singular queries. * * @since 2.9.0 * @since 4.6.0 Adjusted to use wp_get_canonical_url(). */ function rel_canonical() { if ( ! is_singular() ) { return; } $id = get_queried_object_id(); if ( 0 === $id ) { return; } $url = wp_get_canonical_url( $id ); if ( ! empty( $url ) ) { echo '' . "\n"; } } /** * Returns a shortlink for a post, page, attachment, or site. * * 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 {@see 'pre_get_shortlink'} filter or filter the output via the {@see 'get_shortlink'} * filter. * * @since 3.0.0. * * @param int $id Optional. A post or site id. Default is 0, which means the current post or site. * @param string $context Optional. Whether the id is a 'site' 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 'post'. * @param bool $allow_slugs Optional. Whether to allow post slugs in the shortlink. It is up to the plugin how * and whether to honor this. Default true. * @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 ) { /** * Filters whether to preempt generating a shortlink for the given post. * * Passing a truthy value to the filter will effectively short-circuit the * shortlink-generation process, returning that value instead. * * @since 3.0.0 * * @param bool|string $return Short-circuit return value. Either false or a URL string. * @param int $id Post ID, or 0 for the current post. * @param string $context The context for the link. One of 'post' or 'query', * @param bool $allow_slugs Whether to allow post slugs in the shortlink. */ $shortlink = apply_filters( 'pre_get_shortlink', false, $id, $context, $allow_slugs ); if ( false !== $shortlink ) { return $shortlink; } $post_id = 0; if ( 'query' == $context && is_singular() ) { $post_id = get_queried_object_id(); $post = get_post( $post_id ); } elseif ( 'post' == $context ) { $post = get_post( $id ); if ( ! empty( $post->ID ) ) $post_id = $post->ID; } $shortlink = ''; // Return p= link for all public post types. if ( ! empty( $post_id ) ) { $post_type = get_post_type_object( $post->post_type ); if ( 'page' === $post->post_type && $post->ID == get_option( 'page_on_front' ) && 'page' == get_option( 'show_on_front' ) ) { $shortlink = home_url( '/' ); } elseif ( $post_type->public ) { $shortlink = home_url( '?p=' . $post_id ); } } /** * Filters the shortlink for a post. * * @since 3.0.0 * * @param string $shortlink Shortlink URL. * @param int $id Post ID, or 0 for the current post. * @param string $context The context for the link. One of 'post' or 'query', * @param bool $allow_slugs Whether to allow post slugs in the shortlink. Not used by default. */ return apply_filters( 'get_shortlink', $shortlink, $id, $context, $allow_slugs ); } /** * Injects rel=shortlink into the head if a shortlink is defined for the current page. * * Attached to the {@see 'wp_head'} action. * * @since 3.0.0 */ function wp_shortlink_wp_head() { $shortlink = wp_get_shortlink( 0, 'query' ); if ( empty( $shortlink ) ) return; echo "\n"; } /** * Sends a Link: rel=shortlink header if a shortlink is defined for the current page. * * Attached to the {@see 'wp'} action. * * @since 3.0.0 */ function wp_shortlink_header() { if ( headers_sent() ) return; $shortlink = wp_get_shortlink(0, 'query'); if ( empty($shortlink) ) return; header('Link: <' . $shortlink . '>; rel=shortlink', false); } /** * Displays the shortlink 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. Default empty. * @param string $after Optional HTML to display after the link. Default empty. */ 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 . ''; /** * Filters the short link anchor tag for a post. * * @since 3.0.0 * * @param string $link Shortlink anchor tag. * @param string $shortlink Shortlink URL. * @param string $text Shortlink's text. * @param string $title Shortlink's title attribute. */ $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); echo $before, $link, $after; } } /** * Retrieves the avatar URL. * * @since 4.2.0 * * @param mixed $id_or_email The Gravatar to retrieve a URL for. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args { * Optional. Arguments to return instead of the default arguments. * * @type int $size Height and width of the avatar in pixels. Default 96. * @type string $default URL for the default image or a default type. Accepts '404' (return * a 404 instead of a default image), 'retro' (8bit), 'monsterid' (monster), * 'wavatar' (cartoon face), 'indenticon' (the "quilt"), 'mystery', 'mm', * or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF), or * 'gravatar_default' (the Gravatar logo). Default is the value of the * 'avatar_default' option, with a fallback of 'mystery'. * @type bool $force_default Whether to always show the default image, never the Gravatar. Default false. * @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are * judged in that order. Default is the value of the 'avatar_rating' option. * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. * Default null. * @type array $processed_args When the function returns, the value will be the processed/sanitized $args * plus a "found_avatar" guess. Pass as a reference. Default null. * } * @return false|string The URL of the avatar we found, or false if we couldn't find an avatar. */ function get_avatar_url( $id_or_email, $args = null ) { $args = get_avatar_data( $id_or_email, $args ); return $args['url']; } /** * Retrieves default data about the avatar. * * @since 4.2.0 * * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args { * Optional. Arguments to return instead of the default arguments. * * @type int $size Height and width of the avatar image file in pixels. Default 96. * @type int $height Display height of the avatar in pixels. Defaults to $size. * @type int $width Display width of the avatar in pixels. Defaults to $size. * @type string $default URL for the default image or a default type. Accepts '404' (return * a 404 instead of a default image), 'retro' (8bit), 'monsterid' (monster), * 'wavatar' (cartoon face), 'indenticon' (the "quilt"), 'mystery', 'mm', * or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF), or * 'gravatar_default' (the Gravatar logo). Default is the value of the * 'avatar_default' option, with a fallback of 'mystery'. * @type bool $force_default Whether to always show the default image, never the Gravatar. Default false. * @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are * judged in that order. Default is the value of the 'avatar_rating' option. * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. * Default null. * @type array $processed_args When the function returns, the value will be the processed/sanitized $args * plus a "found_avatar" guess. Pass as a reference. Default null. * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. Default empty. * } * @return array $processed_args { * Along with the arguments passed in `$args`, this will contain a couple of extra arguments. * * @type bool $found_avatar True if we were able to find an avatar for this user, * false or not set if we couldn't. * @type string $url The URL of the avatar we found. * } */ function get_avatar_data( $id_or_email, $args = null ) { $args = wp_parse_args( $args, array( 'size' => 96, 'height' => null, 'width' => null, 'default' => get_option( 'avatar_default', 'mystery' ), 'force_default' => false, 'rating' => get_option( 'avatar_rating' ), 'scheme' => null, 'processed_args' => null, // if used, should be a reference 'extra_attr' => '', ) ); if ( is_numeric( $args['size'] ) ) { $args['size'] = absint( $args['size'] ); if ( ! $args['size'] ) { $args['size'] = 96; } } else { $args['size'] = 96; } if ( is_numeric( $args['height'] ) ) { $args['height'] = absint( $args['height'] ); if ( ! $args['height'] ) { $args['height'] = $args['size']; } } else { $args['height'] = $args['size']; } if ( is_numeric( $args['width'] ) ) { $args['width'] = absint( $args['width'] ); if ( ! $args['width'] ) { $args['width'] = $args['size']; } } else { $args['width'] = $args['size']; } if ( empty( $args['default'] ) ) { $args['default'] = get_option( 'avatar_default', 'mystery' ); } switch ( $args['default'] ) { case 'mm' : case 'mystery' : case 'mysteryman' : $args['default'] = 'mm'; break; case 'gravatar_default' : $args['default'] = false; break; } $args['force_default'] = (bool) $args['force_default']; $args['rating'] = strtolower( $args['rating'] ); $args['found_avatar'] = false; /** * Filters whether to retrieve the avatar URL early. * * Passing a non-null value in the 'url' member of the return array will * effectively short circuit get_avatar_data(), passing the value through * the {@see 'get_avatar_data'} filter and returning early. * * @since 4.2.0 * * @param array $args Arguments passed to get_avatar_data(), after processing. * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. */ $args = apply_filters( 'pre_get_avatar_data', $args, $id_or_email ); if ( isset( $args['url'] ) && ! is_null( $args['url'] ) ) { /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'get_avatar_data', $args, $id_or_email ); } $email_hash = ''; $user = $email = false; if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) { $id_or_email = get_comment( $id_or_email ); } // Process the user identifier. if ( is_numeric( $id_or_email ) ) { $user = get_user_by( 'id', absint( $id_or_email ) ); } elseif ( is_string( $id_or_email ) ) { if ( strpos( $id_or_email, '@md5.gravatar.com' ) ) { // md5 hash list( $email_hash ) = explode( '@', $id_or_email ); } else { // email address $email = $id_or_email; } } elseif ( $id_or_email instanceof WP_User ) { // User Object $user = $id_or_email; } elseif ( $id_or_email instanceof WP_Post ) { // Post Object $user = get_user_by( 'id', (int) $id_or_email->post_author ); } elseif ( $id_or_email instanceof WP_Comment ) { /** * Filters the list of allowed comment types for retrieving avatars. * * @since 3.0.0 * * @param array $types An array of content types. Default only contains 'comment'. */ $allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) ); if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) ) { $args['url'] = false; /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'get_avatar_data', $args, $id_or_email ); } if ( ! empty( $id_or_email->user_id ) ) { $user = get_user_by( 'id', (int) $id_or_email->user_id ); } if ( ( ! $user || is_wp_error( $user ) ) && ! empty( $id_or_email->comment_author_email ) ) { $email = $id_or_email->comment_author_email; } } if ( ! $email_hash ) { if ( $user ) { $email = $user->user_email; } if ( $email ) { $email_hash = md5( strtolower( trim( $email ) ) ); } } if ( $email_hash ) { $args['found_avatar'] = true; $gravatar_server = hexdec( $email_hash[0] ) % 3; } else { $gravatar_server = rand( 0, 2 ); } $url_args = array( 's' => $args['size'], 'd' => $args['default'], 'f' => $args['force_default'] ? 'y' : false, 'r' => $args['rating'], ); if ( is_ssl() ) { $url = 'https://secure.gravatar.com/avatar/' . $email_hash; } else { $url = sprintf( 'http://%d.gravatar.com/avatar/%s', $gravatar_server, $email_hash ); } $url = add_query_arg( rawurlencode_deep( array_filter( $url_args ) ), set_url_scheme( $url, $args['scheme'] ) ); /** * Filters the avatar URL. * * @since 4.2.0 * * @param string $url The URL of the avatar. * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args Arguments passed to get_avatar_data(), after processing. */ $args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args ); /** * Filters the avatar data. * * @since 4.2.0 * * @param array $args Arguments passed to get_avatar_data(), after processing. * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. */ return apply_filters( 'get_avatar_data', $args, $id_or_email ); } /** * Retrieves the URL of a file in the theme. * * Searches in the stylesheet directory before the template directory so themes * which inherit from a parent theme can just override one file. * * @since 4.7.0 * * @param string $file Optional. File to search for in the stylesheet directory. * @return string The URL of the file. */ function get_theme_file_uri( $file = '' ) { $file = ltrim( $file, '/' ); if ( empty( $file ) ) { $url = get_stylesheet_directory_uri(); } elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) { $url = get_stylesheet_directory_uri() . '/' . $file; } else { $url = get_template_directory_uri() . '/' . $file; } /** * Filters the URL to a file in the theme. * * @since 4.7.0 * * @param string $url The file URL. * @param string $file The requested file to search for. */ return apply_filters( 'theme_file_uri', $url, $file ); } /** * Retrieves the URL of a file in the parent theme. * * @since 4.7.0 * * @param string $file Optional. File to return the URL for in the template directory. * @return string The URL of the file. */ function get_parent_theme_file_uri( $file = '' ) { $file = ltrim( $file, '/' ); if ( empty( $file ) ) { $url = get_template_directory_uri(); } else { $url = get_template_directory_uri() . '/' . $file; } /** * Filters the URL to a file in the parent theme. * * @since 4.7.0 * * @param string $url The file URL. * @param string $file The requested file to search for. */ return apply_filters( 'parent_theme_file_uri', $url, $file ); } /** * Retrieves the path of a file in the theme. * * Searches in the stylesheet directory before the template directory so themes * which inherit from a parent theme can just override one file. * * @since 4.7.0 * * @param string $file Optional. File to search for in the stylesheet directory. * @return string The path of the file. */ function get_theme_file_path( $file = '' ) { $file = ltrim( $file, '/' ); if ( empty( $file ) ) { $path = get_stylesheet_directory(); } elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) { $path = get_stylesheet_directory() . '/' . $file; } else { $path = get_template_directory() . '/' . $file; } /** * Filters the path to a file in the theme. * * @since 4.7.0 * * @param string $path The file path. * @param string $file The requested file to search for. */ return apply_filters( 'theme_file_path', $path, $file ); } /** * Retrieves the path of a file in the parent theme. * * @since 4.7.0 * * @param string $file Optional. File to return the path for in the template directory. * @return string The path of the file. */ function get_parent_theme_file_path( $file = '' ) { $file = ltrim( $file, '/' ); if ( empty( $file ) ) { $path = get_template_directory(); } else { $path = get_template_directory() . '/' . $file; } /** * Filters the path to a file in the parent theme. * * @since 4.7.0 * * @param string $path The file path. * @param string $file The requested file to search for. */ return apply_filters( 'parent_theme_file_path', $path, $file ); }
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