nt_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 a string back. Plain is the next best thing. if ( isset( $args['type'] ) && 'array' == $args['type'] ) { $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( $args ); } /** * Retrieves the URL for the current site where the front end is accessible. * * Returns the 'home' option with the appropriate protocol. The protocol will be 'https' * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option. * If `$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() ) { $url = network_admin_url( $path, $scheme ); } elseif ( is_user_admin() ) { $url = user_admin_url( $path, $scheme ); } else { $url = admin_url( $path, $scheme ); } /** * Filters the admin URL for the current site or network depending on context. * * @since 4.9.0 * * @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. * @param string $scheme The scheme to use. */ return apply_filters( 'self_admin_url', $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_multisite() && ! user_can( $user_id, 'manage_network' ) && empty($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 && ( user_can( $user_id, 'manage_network' ) || 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 $canonical_url 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 ); } /** * Retrieves the URL to the privacy policy page. * * @since 4.9.6 * * @return string The URL to the privacy policy page. Empty string if it doesn't exist. */ function get_privacy_policy_url() { $url = ''; $policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' ); if ( ! empty( $policy_page_id ) && get_post_status( $policy_page_id ) === 'publish' ) { $url = (string) get_permalink( $policy_page_id ); } /** * Filters the URL of the privacy policy page. * * @since 4.9.6 * * @param string $url The URL to the privacy policy page. Empty string * if it doesn't exist. * @param int $policy_page_id The ID of privacy policy page. */ return apply_filters( 'privacy_policy_url', $url, $policy_page_id ); } /** * Displays the privacy policy link with formatting, when applicable. * * @since 4.9.6 * * @param string $before Optional. Display before privacy policy link. Default empty. * @param string $after Optional. Display after privacy policy link. Default empty. */ function the_privacy_policy_link( $before = '', $after = '' ) { echo get_the_privacy_policy_link( $before, $after ); } /** * Returns the privacy policy link with formatting, when applicable. * * @since 4.9.6 * * @param string $before Optional. Display before privacy policy link. Default empty. * @param string $after Optional. Display after privacy policy link. Default empty. * * @return string Markup for the link and surrounding elements. Empty string if it * doesn't exist. */ function get_the_privacy_policy_link( $before = '', $after = '' ) { $link = ''; $privacy_policy_url = get_privacy_policy_url(); $policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' ); $page_title = ( $policy_page_id ) ? get_the_title( $policy_page_id ) : ''; if ( $privacy_policy_url && $page_title ) { $link = sprintf( '%s', esc_url( $privacy_policy_url ), esc_html( $page_title ) ); } /** * Filters the privacy policy link. * * @since 4.9.6 * * @param string $link The privacy policy link. Empty string if it * doesn't exist. * @param string $privacy_policy_url The URL of the privacy policy. Empty string * if it doesn't exist. */ $link = apply_filters( 'the_privacy_policy_link', $link, $privacy_policy_url ); if ( $link ) { return $before . $link . $after; } return ''; }