/** * General template tags that can go anywhere in a template. * * @package WordPress * @subpackage Template */ /** * Load header template. * * Includes the header template for a theme or if a name is specified then a * specialised header will be included. * * For the parameter, if the file is called "header-special.php" then specify * "special". * * @since 1.5.0 * * @uses locate_template() * * @param string $name The name of the specialised header. */ function get_header( $name = null ) { /** * Fires before the header template file is loaded. * * The hook allows a specific header template file to be used in place of the * default header template file. If your file is called header-new.php, * you would specify the filename in the hook as get_header( 'new' ). * * @since 2.1.0 * @since 2.8.0 $name parameter added. * * @param string $name Name of the specific header file to use. */ do_action( 'get_header', $name ); $templates = array(); $name = (string) $name; if ( '' !== $name ) $templates[] = "header-{$name}.php"; $templates[] = 'header.php'; // Backward compat code will be removed in a future release if ('' == locate_template($templates, true)) load_template( ABSPATH . WPINC . '/theme-compat/header.php'); } /** * Load footer template. * * Includes the footer template for a theme or if a name is specified then a * specialised footer will be included. * * For the parameter, if the file is called "footer-special.php" then specify * "special". * * @since 1.5.0 * * @uses locate_template() * * @param string $name The name of the specialised footer. */ function get_footer( $name = null ) { /** * Fires before the footer template file is loaded. * * The hook allows a specific footer template file to be used in place of the * default footer template file. If your file is called footer-new.php, * you would specify the filename in the hook as get_footer( 'new' ). * * @since 2.1.0 * @since 2.8.0 $name parameter added. * * @param string $name Name of the specific footer file to use. */ do_action( 'get_footer', $name ); $templates = array(); $name = (string) $name; if ( '' !== $name ) $templates[] = "footer-{$name}.php"; $templates[] = 'footer.php'; // Backward compat code will be removed in a future release if ('' == locate_template($templates, true)) load_template( ABSPATH . WPINC . '/theme-compat/footer.php'); } /** * Load sidebar template. * * Includes the sidebar template for a theme or if a name is specified then a * specialised sidebar will be included. * * For the parameter, if the file is called "sidebar-special.php" then specify * "special". * * @since 1.5.0 * * @uses locate_template() * * @param string $name The name of the specialised sidebar. */ function get_sidebar( $name = null ) { /** * Fires before the sidebar template file is loaded. * * The hook allows a specific sidebar template file to be used in place of the * default sidebar template file. If your file is called sidebar-new.php, * you would specify the filename in the hook as get_sidebar( 'new' ). * * @since 2.2.0 * @since 2.8.0 $name parameter added. * * @param string $name Name of the specific sidebar file to use. */ do_action( 'get_sidebar', $name ); $templates = array(); $name = (string) $name; if ( '' !== $name ) $templates[] = "sidebar-{$name}.php"; $templates[] = 'sidebar.php'; // Backward compat code will be removed in a future release if ('' == locate_template($templates, true)) load_template( ABSPATH . WPINC . '/theme-compat/sidebar.php'); } /** * Load a template part into a template * * Makes it easy for a theme to reuse sections of code in a easy to overload way * for child themes. * * Includes the named template part for a theme or if a name is specified then a * specialised part will be included. If the theme contains no {slug}.php file * then no template will be included. * * The template is included using require, not require_once, so you may include the * same template part multiple times. * * For the $name parameter, if the file is called "{slug}-special.php" then specify * "special". * * @since 3.0.0 * * @uses locate_template() * * @param string $slug The slug name for the generic template. * @param string $name The name of the specialised template. */ function get_template_part( $slug, $name = null ) { /** * Fires before the specified template part file is loaded. * * The dynamic portion of the hook name, $slug, refers to the slug name * for the generic template part. * * @since 3.0.0 * * @param string $slug The slug name for the generic template. * @param string $name The name of the specialized template. */ do_action( "get_template_part_{$slug}", $slug, $name ); $templates = array(); $name = (string) $name; if ( '' !== $name ) $templates[] = "{$slug}-{$name}.php"; $templates[] = "{$slug}.php"; locate_template($templates, true, false); } /** * Display search form. * * Will first attempt to locate the searchform.php file in either the child or * the parent, then load it. If it doesn't exist, then the default search form * will be displayed. The default search form is HTML, which will be displayed. * There is a filter applied to the search form HTML in order to edit or replace * it. The filter is 'get_search_form'. * * This function is primarily used by themes which want to hardcode the search * form into the sidebar and also by the search widget in WordPress. * * There is also an action that is called whenever the function is run called, * 'pre_get_search_form'. This can be useful for outputting JavaScript that the * search relies on or various formatting that applies to the beginning of the * search. To give a few examples of what it can be used for. * * @since 2.7.0 * * @param boolean $echo Default to echo and not return the form. * @return string|null String when retrieving, null when displaying or if searchform.php exists. */ function get_search_form( $echo = true ) { /** * Fires before the search form is retrieved, at the start of get_search_form(). * * @since 2.7.0 as 'get_search_form' action. * @since 3.6.0 * * @link https://core.trac.wordpress.org/ticket/19321 */ do_action( 'pre_get_search_form' ); $format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml'; /** * Filter the HTML format of the search form. * * @since 3.6.0 * * @param string $format The type of markup to use in the search form. * Accepts 'html5', 'xhtml'. */ $format = apply_filters( 'search_form_format', $format ); $search_form_template = locate_template( 'searchform.php' ); if ( '' != $search_form_template ) { ob_start(); require( $search_form_template ); $form = ob_get_clean(); } else { if ( 'html5' == $format ) { $form = ''; } else { $form = ''; } } /** * Filter the HTML output of the search form. * * @since 2.7.0 * * @param string $form The search form HTML output. */ $result = apply_filters( 'get_search_form', $form ); if ( null === $result ) $result = $form; if ( $echo ) echo $result; else return $result; } /** * Display the Log In/Out link. * * Displays a link, which allows users to navigate to the Log In page to log in * or log out depending on whether they are currently logged in. * * @since 1.5.0 * * @param string $redirect Optional path to redirect to on login/logout. * @param boolean $echo Default to echo and not return the link. * @return string|null String when retrieving, null when displaying. */ function wp_loginout($redirect = '', $echo = true) { if ( ! is_user_logged_in() ) $link = '' . __('Log in') . ''; else $link = '' . __('Log out') . ''; if ( $echo ) { /** * Filter the HTML output for the Log In/Log Out link. * * @since 1.5.0 * * @param string $link The HTML link content. */ echo apply_filters( 'loginout', $link ); } else { /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'loginout', $link ); } } /** * Returns the Log Out URL. * * Returns the URL that allows the user to log out of the site. * * @since 2.7.0 * * @uses wp_nonce_url() To protect against CSRF. * @uses site_url() To generate the log out URL. * * @param string $redirect Path to redirect to on logout. * @return string A log out URL. */ function wp_logout_url($redirect = '') { $args = array( 'action' => 'logout' ); if ( !empty($redirect) ) { $args['redirect_to'] = urlencode( $redirect ); } $logout_url = add_query_arg($args, site_url('wp-login.php', 'login')); $logout_url = wp_nonce_url( $logout_url, 'log-out' ); /** * Filter the logout URL. * * @since 2.8.0 * * @param string $logout_url The Log Out URL. * @param string $redirect Path to redirect to on logout. */ return apply_filters( 'logout_url', $logout_url, $redirect ); } /** * Returns the Log In URL. * * Returns the URL that allows the user to log in to the site. * * @since 2.7.0 * * @uses site_url() To generate the log in URL. * * @param string $redirect Path to redirect to on login. * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. Default is false. * @return string A log in URL. */ function wp_login_url($redirect = '', $force_reauth = false) { $login_url = site_url('wp-login.php', 'login'); if ( !empty($redirect) ) $login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url); if ( $force_reauth ) $login_url = add_query_arg('reauth', '1', $login_url); /** * Filter the login URL. * * @since 2.8.0 * * @param string $login_url The login URL. * @param string $redirect The path to redirect to on login, if supplied. */ return apply_filters( 'login_url', $login_url, $redirect ); } /** * Returns the user registration URL. * * Returns the URL that allows the user to register on the site. * * @since 3.6.0 * * @uses site_url() To generate the registration URL. * * @return string User registration URL. */ function wp_registration_url() { /** * Filter the user registration URL. * * @since 3.6.0 * * @param string $register The user registration URL. */ return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) ); } /** * Provides a simple login form for use anywhere within WordPress. By default, it echoes * the HTML immediately. Pass array('echo'=>false) to return the string instead. * * @since 3.0.0 * * @param array $args Configuration options to modify the form output. * @return string|null String when retrieving, null when displaying. */ function wp_login_form( $args = array() ) { $defaults = array( 'echo' => true, 'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], // Default redirect is back to the current page 'form_id' => 'loginform', 'label_username' => __( 'Username' ), 'label_password' => __( 'Password' ), 'label_remember' => __( 'Remember Me' ), 'label_log_in' => __( 'Log In' ), 'id_username' => 'user_login', 'id_password' => 'user_pass', 'id_remember' => 'rememberme', 'id_submit' => 'wp-submit', 'remember' => true, 'value_username' => '', 'value_remember' => false, // Set this to true to default the "Remember me" checkbox to checked ); /** * Filter the default login form output arguments. * * @since 3.0.0 * * @see wp_login_form() * * @param array $defaults An array of default login form arguments. */ $args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) ); /** * Filter content to display at the top of the login form. * * The filter evaluates just following the opening form tag element. * * @since 3.0.0 * * @param string $content Content to display. Default empty. * @param array $args Array of login form arguments. */ $login_form_top = apply_filters( 'login_form_top', '', $args ); /** * Filter content to display in the middle of the login form. * * The filter evaluates just following the location where the 'login-password' * field is displayed. * * @since 3.0.0 * * @param string $content Content to display. Default empty. * @param array $args Array of login form arguments. */ $login_form_middle = apply_filters( 'login_form_middle', '', $args ); /** * Filter content to display at the bottom of the login form. * * The filter evaluates just preceding the closing form tag element. * * @since 3.0.0 * * @param string $content Content to display. Default empty. * @param array $args Array of login form arguments. */ $login_form_bottom = apply_filters( 'login_form_bottom', '', $args ); $form = '
' . $login_form_top . '

' . $login_form_middle . ' ' . ( $args['remember'] ? '

' : '' ) . '

' . $login_form_bottom . '
'; if ( $args['echo'] ) echo $form; else return $form; } /** * Returns the Lost Password URL. * * Returns the URL that allows the user to retrieve the lost password * * @since 2.8.0 * * @uses site_url() To generate the lost password URL * * @param string $redirect Path to redirect to on login. * @return string Lost password URL. */ function wp_lostpassword_url( $redirect = '' ) { $args = array( 'action' => 'lostpassword' ); if ( !empty($redirect) ) { $args['redirect_to'] = $redirect; } $lostpassword_url = add_query_arg( $args, network_site_url('wp-login.php', 'login') ); /** * Filter the Lost Password URL. * * @since 2.8.0 * * @param string $lostpassword_url The lost password page URL. * @param string $redirect The path to redirect to on login. */ return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect ); } /** * Display the Registration or Admin link. * * Display a link which allows the user to navigate to the registration page if * not logged in and registration is enabled or to the dashboard if logged in. * * @since 1.5.0 * * @param string $before Text to output before the link (defaults to
  • ). * @param string $after Text to output after the link (defaults to
  • ). * @param boolean $echo Default to echo and not return the link. * @return string|null String when retrieving, null when displaying. */ function wp_register( $before = '
  • ', $after = '
  • ', $echo = true ) { if ( ! is_user_logged_in() ) { if ( get_option('users_can_register') ) $link = $before . '' . __('Register') . '' . $after; else $link = ''; } else { $link = $before . '' . __('Site Admin') . '' . $after; } if ( $echo ) { /** * Filter the HTML link to the Registration or Admin page. * * Users are sent to the admin page if logged-in, or the registration page * if enabled and logged-out. * * @since 1.5.0 * * @param string $link The HTML code for the link to the Registration or Admin page. */ echo apply_filters( 'register', $link ); } else { /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'register', $link ); } } /** * Theme container function for the 'wp_meta' action. * * The 'wp_meta' action can have several purposes, depending on how you use it, * but one purpose might have been to allow for theme switching. * * @since 1.5.0 * * @link http://trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action. */ function wp_meta() { /** * Fires before displaying echoed content in the sidebar. * * @since 1.5.0 */ do_action( 'wp_meta' ); } /** * Display information about the blog. * * @see get_bloginfo() For possible values for the parameter. * @since 0.71 * * @param string $show What to display. */ function bloginfo( $show='' ) { echo get_bloginfo( $show, 'display' ); } /** * Retrieve information about the blog. * * Some show parameter values are deprecated and will be removed in future * versions. These options will trigger the _deprecated_argument() function. * The deprecated blog info options are listed in the function contents. * * The possible values for the 'show' parameter are listed below. *
      *
    1. url - Blog URI to homepage.
    2. *
    3. wpurl - Blog URI path to WordPress.
    4. *
    5. description - Secondary title
    6. *
    * * The feed URL options can be retrieved from 'rdf_url' (RSS 0.91), * 'rss_url' (RSS 1.0), 'rss2_url' (RSS 2.0), or 'atom_url' (Atom feed). The * comment feeds can be retrieved from the 'comments_atom_url' (Atom comment * feed) or 'comments_rss2_url' (RSS 2.0 comment feed). * * @since 0.71 * * @param string $show Blog info to retrieve. * @param string $filter How to filter what is retrieved. * @return string Mostly string values, might be empty. */ function get_bloginfo( $show = '', $filter = 'raw' ) { switch( $show ) { case 'home' : // DEPRECATED case 'siteurl' : // DEPRECATED _deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The %s option is deprecated for the family of bloginfo() functions.' ), $show ) . ' ' . sprintf( __( 'Use the %s option instead.' ), 'url' ) ); case 'url' : $output = home_url(); break; case 'wpurl' : $output = site_url(); break; case 'description': $output = get_option('blogdescription'); break; case 'rdf_url': $output = get_feed_link('rdf'); break; case 'rss_url': $output = get_feed_link('rss'); break; case 'rss2_url': $output = get_feed_link('rss2'); break; case 'atom_url': $output = get_feed_link('atom'); break; case 'comments_atom_url': $output = get_feed_link('comments_atom'); break; case 'comments_rss2_url': $output = get_feed_link('comments_rss2'); break; case 'pingback_url': $output = site_url( 'xmlrpc.php' ); break; case 'stylesheet_url': $output = get_stylesheet_uri(); break; case 'stylesheet_directory': $output = get_stylesheet_directory_uri(); break; case 'template_directory': case 'template_url': $output = get_template_directory_uri(); break; case 'admin_email': $output = get_option('admin_email'); break; case 'charset': $output = get_option('blog_charset'); if ('' == $output) $output = 'UTF-8'; break; case 'html_type' : $output = get_option('html_type'); break; case 'version': global $wp_version; $output = $wp_version; break; case 'language': $output = get_locale(); $output = str_replace('_', '-', $output); break; case 'text_direction': //_deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The %s option is deprecated for the family of bloginfo() functions.' ), $show ) . ' ' . sprintf( __( 'Use the %s function instead.' ), 'is_rtl()' ) ); if ( function_exists( 'is_rtl' ) ) { $output = is_rtl() ? 'rtl' : 'ltr'; } else { $output = 'ltr'; } break; case 'name': default: $output = get_option('blogname'); break; } $url = true; if (strpos($show, 'url') === false && strpos($show, 'directory') === false && strpos($show, 'home') === false) $url = false; if ( 'display' == $filter ) { if ( $url ) { /** * Filter the URL returned by get_bloginfo(). * * @since 2.0.5 * * @param mixed $output The URL returned by bloginfo(). * @param mixed $show Type of information requested. */ $output = apply_filters( 'bloginfo_url', $output, $show ); } else { /** * Filter the site information returned by get_bloginfo(). * * @since 0.71 * * @param mixed $output The requested non-URL site information. * @param mixed $show Type of information requested. */ $output = apply_filters( 'bloginfo', $output, $show ); } } return $output; } /** * Display or retrieve page title for all areas of blog. * * By default, the page title will display the separator before the page title, * so that the blog title will be before the page title. This is not good for * title display, since the blog title shows up on most tabs and not what is * important, which is the page that the user is looking at. * * There are also SEO benefits to having the blog title after or to the 'right' * or the page title. However, it is mostly common sense to have the blog title * to the right with most browsers supporting tabs. You can achieve this by * using the seplocation parameter and setting the value to 'right'. This change * was introduced around 2.5.0, in case backwards compatibility of themes is * important. * * @since 1.0.0 * * @param string $sep Optional, default is '»'. How to separate the various items within the page title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @param string $seplocation Optional. Direction to display title, 'right'. * @return string|null String on retrieve, null when displaying. */ function wp_title($sep = '»', $display = true, $seplocation = '') { global $wpdb, $wp_locale; $m = get_query_var('m'); $year = get_query_var('year'); $monthnum = get_query_var('monthnum'); $day = get_query_var('day'); $search = get_query_var('s'); $title = ''; $t_sep = '%WP_TITILE_SEP%'; // Temporary separator, for accurate flipping, if necessary // If there is a post if ( is_single() || ( is_home() && !is_front_page() ) || ( is_page() && !is_front_page() ) ) { $title = single_post_title( '', false ); } // If there's a post type archive if ( is_post_type_archive() ) { $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) $post_type = reset( $post_type ); $post_type_object = get_post_type_object( $post_type ); if ( ! $post_type_object->has_archive ) $title = post_type_archive_title( '', false ); } // If there's a category or tag if ( is_category() || is_tag() ) { $title = single_term_title( '', false ); } // If there's a taxonomy if ( is_tax() ) { $term = get_queried_object(); if ( $term ) { $tax = get_taxonomy( $term->taxonomy ); $title = single_term_title( $tax->labels->name . $t_sep, false ); } } // If there's an author if ( is_author() ) { $author = get_queried_object(); if ( $author ) $title = $author->display_name; } // Post type archives with has_archive should override terms. if ( is_post_type_archive() && $post_type_object->has_archive ) $title = post_type_archive_title( '', false ); // If there's a month if ( is_archive() && !empty($m) ) { $my_year = substr($m, 0, 4); $my_month = $wp_locale->get_month(substr($m, 4, 2)); $my_day = intval(substr($m, 6, 2)); $title = $my_year . ( $my_month ? $t_sep . $my_month : '' ) . ( $my_day ? $t_sep . $my_day : '' ); } // If there's a year if ( is_archive() && !empty($year) ) { $title = $year; if ( !empty($monthnum) ) $title .= $t_sep . $wp_locale->get_month($monthnum); if ( !empty($day) ) $title .= $t_sep . zeroise($day, 2); } // If it's a search if ( is_search() ) { /* translators: 1: separator, 2: search phrase */ $title = sprintf(__('Search Results %1$s %2$s'), $t_sep, strip_tags($search)); } // If it's a 404 page if ( is_404() ) { $title = __('Page not found'); } $prefix = ''; if ( !empty($title) ) $prefix = " $sep "; // Determines position of the separator and direction of the breadcrumb if ( 'right' == $seplocation ) { // sep on right, so reverse the order $title_array = explode( $t_sep, $title ); $title_array = array_reverse( $title_array ); $title = implode( " $sep ", $title_array ) . $prefix; } else { $title_array = explode( $t_sep, $title ); $title = $prefix . implode( " $sep ", $title_array ); } /** * Filter the text of the page title. * * @since 2.0.0 * * @param string $title Page title. * @param string $sep Title separator. * @param string $seplocation Location of the separator (left or right). */ $title = apply_filters( 'wp_title', $title, $sep, $seplocation ); // Send it out if ( $display ) echo $title; else return $title; } /** * Display or retrieve page title for post. * * This is optimized for single.php template file for displaying the post title. * * It does not support placing the separator after the title, but by leaving the * prefix parameter empty, you can set the title separator manually. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 0.71 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @return string|null Title when retrieving, null when displaying or failure. */ function single_post_title($prefix = '', $display = true) { $_post = get_queried_object(); if ( !isset($_post->post_title) ) return; /** * Filter the page title for a single post. * * @since 0.71 * * @param string $_post_title The single post page title. * @param object $_post The current queried object as returned by get_queried_object(). */ $title = apply_filters( 'single_post_title', $_post->post_title, $_post ); if ( $display ) echo $prefix . $title; else return $prefix . $title; } /** * Display or retrieve title for a post type archive. * * This is optimized for archive.php and archive-{$post_type}.php template files * for displaying the title of the post type. * * @since 3.1.0 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @return string|null Title when retrieving, null when displaying or failure. */ function post_type_archive_title( $prefix = '', $display = true ) { if ( ! is_post_type_archive() ) return; $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) $post_type = reset( $post_type ); $post_type_obj = get_post_type_object( $post_type ); /** * Filter the post type archive title. * * @since 3.1.0 * * @param string $post_type_name Post type 'name' label. * @param string $post_type Post type. */ $title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type ); if ( $display ) echo $prefix . $title; else return $prefix . $title; } /** * Display or retrieve page title for category archive. * * This is useful for category template file or files, because it is optimized * for category page title and with less overhead than {@link wp_title()}. * * It does not support placing the separator after the title, but by leaving the * prefix parameter empty, you can set the title separator manually. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 0.71 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @return string|null Title when retrieving, null when displaying or failure. */ function single_cat_title( $prefix = '', $display = true ) { return single_term_title( $prefix, $display ); } /** * Display or retrieve page title for tag post archive. * * Useful for tag template files for displaying the tag page title. It has less * overhead than {@link wp_title()}, because of its limited implementation. * * It does not support placing the separator after the title, but by leaving the * prefix parameter empty, you can set the title separator manually. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 2.3.0 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @return string|null Title when retrieving, null when displaying or failure. */ function single_tag_title( $prefix = '', $display = true ) { return single_term_title( $prefix, $display ); } /** * Display or retrieve page title for taxonomy term archive. * * Useful for taxonomy term template files for displaying the taxonomy term page title. * It has less overhead than {@link wp_title()}, because of its limited implementation. * * It does not support placing the separator after the title, but by leaving the * prefix parameter empty, you can set the title separator manually. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 3.1.0 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @return string|null Title when retrieving, null when displaying or failure. */ function single_term_title( $prefix = '', $display = true ) { $term = get_queried_object(); if ( !$term ) return; if ( is_category() ) { /** * Filter the category archive page title. * * @since 2.0.10 * * @param string $term_name Category name for archive being displayed. */ $term_name = apply_filters( 'single_cat_title', $term->name ); } elseif ( is_tag() ) { /** * Filter the tag archive page title. * * @since 2.3.0 * * @param string $term_name Tag name for archive being displayed. */ $term_name = apply_filters( 'single_tag_title', $term->name ); } elseif ( is_tax() ) { /** * Filter the custom taxonomy archive page title. * * @since 3.1.0 * * @param string $term_name Term name for archive being displayed. */ $term_name = apply_filters( 'single_term_title', $term->name ); } else { return; } if ( empty( $term_name ) ) return; if ( $display ) echo $prefix . $term_name; else return $prefix . $term_name; } /** * Display or retrieve page title for post archive based on date. * * Useful for when the template only needs to display the month and year, if * either are available. Optimized for just this purpose, so if it is all that * is needed, should be better than {@link wp_title()}. * * It does not support placing the separator after the title, but by leaving the * prefix parameter empty, you can set the title separator manually. The prefix * does not automatically place a space between the prefix, so if there should * be a space, the parameter value will need to have it at the end. * * @since 0.71 * * @param string $prefix Optional. What to display before the title. * @param bool $display Optional, default is true. Whether to display or retrieve title. * @return string|null Title when retrieving, null when displaying or failure. */ function single_month_title($prefix = '', $display = true ) { global $wp_locale; $m = get_query_var('m'); $year = get_query_var('year'); $monthnum = get_query_var('monthnum'); if ( !empty($monthnum) && !empty($year) ) { $my_year = $year; $my_month = $wp_locale->get_month($monthnum); } elseif ( !empty($m) ) { $my_year = substr($m, 0, 4); $my_month = $wp_locale->get_month(substr($m, 4, 2)); } if ( empty($my_month) ) return false; $result = $prefix . $my_month . $prefix . $my_year; if ( !$display ) return $result; echo $result; } /** * Retrieve archive link content based on predefined or custom code. * * The format can be one of four styles. The 'link' for head element, 'option' * for use in the select element, 'html' for use in list (either ol or ul HTML * elements). Custom content is also supported using the before and after * parameters. * * The 'link' format uses the link HTML element with the archives * relationship. The before and after parameters are not used. The text * parameter is used to describe the link. * * The 'option' format uses the option HTML element for use in select element. * The value is the url parameter and the before and after parameters are used * between the text description. * * The 'html' format, which is the default, uses the li HTML element for use in * the list HTML elements. The before parameter is before the link and the after * parameter is after the closing link. * * The custom format uses the before parameter before the link ('a' HTML * element) and the after parameter after the closing link tag. If the above * three values for the format are not used, then custom format is assumed. * * @since 1.0.0 * * @param string $url URL to archive. * @param string $text Archive text description. * @param string $format Optional, default is 'html'. Can be 'link', 'option', 'html', or custom. * @param string $before Optional. * @param string $after Optional. * @return string HTML link content for archive. */ function get_archives_link($url, $text, $format = 'html', $before = '', $after = '') { $text = wptexturize($text); $url = esc_url($url); if ('link' == $format) $link_html = "\t\n"; elseif ('option' == $format) $link_html = "\t\n"; elseif ('html' == $format) $link_html = "\t
  • $before$text$after
  • \n"; else // custom $link_html = "\t$before$text$after\n"; /** * Filter the archive link content. * * @since 2.6.0 * * @param string $link_html The archive HTML link content. */ $link_html = apply_filters( 'get_archives_link', $link_html ); return $link_html; } /** * Display archive links based on type and format. * * The 'type' argument offers a few choices and by default will display monthly * archive links. The other options for values are 'daily', 'weekly', 'monthly', * 'yearly', 'postbypost' or 'alpha'. Both 'postbypost' and 'alpha' display the * same archive link list, the difference between the two is that 'alpha' * will order by post title and 'postbypost' will order by post date. * * The date archives will logically display dates with links to the archive post * page. The 'postbypost' and 'alpha' values for 'type' argument will display * the post titles. * * The 'limit' argument will only display a limited amount of links, specified * by the 'limit' integer value. By default, there is no limit. The * 'show_post_count' argument will show how many posts are within the archive. * By default, the 'show_post_count' argument is set to false. * * For the 'format', 'before', and 'after' arguments, see {@link * get_archives_link()}. The values of these arguments have to do with that * function. * * @since 1.2.0 * * @param string|array $args Optional. Override defaults. * @return string|null String when retrieving, null when displaying. */ function wp_get_archives($args = '') { global $wpdb, $wp_locale; $defaults = array( 'type' => 'monthly', 'limit' => '', 'format' => 'html', 'before' => '', 'after' => '', 'show_post_count' => false, 'echo' => 1, 'order' => 'DESC', ); $r = wp_parse_args( $args, $defaults ); extract( $r, EXTR_SKIP ); if ( '' == $type ) $type = 'monthly'; if ( '' != $limit ) { $limit = absint($limit); $limit = ' LIMIT '.$limit; } $order = strtoupper( $order ); if ( $order !== 'ASC' ) $order = 'DESC'; // this is what will separate dates on weekly archive links $archive_week_separator = '–'; // over-ride general date format ? 0 = no: use the date format set in Options, 1 = yes: over-ride $archive_date_format_over_ride = 0; // options for daily archive (only if you over-ride the general date format) $archive_day_date_format = 'Y/m/d'; // options for weekly archive (only if you over-ride the general date format) $archive_week_start_date_format = 'Y/m/d'; $archive_week_end_date_format = 'Y/m/d'; if ( !$archive_date_format_over_ride ) { $archive_day_date_format = get_option('date_format'); $archive_week_start_date_format = get_option('date_format'); $archive_week_end_date_format = get_option('date_format'); } /** * Filter the SQL WHERE clause for retrieving archives. * * @since 2.2.0 * * @param string $sql_where Portion of SQL query containing the WHERE clause. * @param array $r An array of default arguments. */ $where = apply_filters( 'getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r ); /** * Filter the SQL JOIN clause for retrieving archives. * * @since 2.2.0 * * @param string $sql_join Portion of SQL query containing JOIN clause. * @param array $r An array of default arguments. */ $join = apply_filters( 'getarchives_join', '', $r ); $output = ''; $last_changed = wp_cache_get( 'last_changed', 'posts' ); if ( ! $last_changed ) { $last_changed = microtime(); wp_cache_set( 'last_changed', $last_changed, 'posts' ); } if ( 'monthly' == $type ) { $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; if ( ! $results = wp_cache_get( $key, 'posts' ) ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'posts' ); } if ( $results ) { $afterafter = $after; foreach ( (array) $results as $result ) { $url = get_month_link( $result->year, $result->month ); /* translators: 1: month name, 2: 4-digit year */ $text = sprintf(__('%1$s %2$d'), $wp_locale->get_month($result->month), $result->year); if ( $show_post_count ) $after = ' ('.$result->posts.')' . $afterafter; $output .= get_archives_link($url, $text, $format, $before, $after); } } } elseif ('yearly' == $type) { $query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; if ( ! $results = wp_cache_get( $key, 'posts' ) ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'posts' ); } if ( $results ) { $afterafter = $after; foreach ( (array) $results as $result) { $url = get_year_link($result->year); $text = sprintf('%d', $result->year); if ($show_post_count) $after = ' ('.$result->posts.')' . $afterafter; $output .= get_archives_link($url, $text, $format, $before, $after); } } } elseif ( 'daily' == $type ) { $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; if ( ! $results = wp_cache_get( $key, 'posts' ) ) { $results = $wpdb->get_results( $query ); $cache[ $key ] = $results; wp_cache_set( $key, $results, 'posts' ); } if ( $results ) { $afterafter = $after; foreach ( (array) $results as $result ) { $url = get_day_link($result->year, $result->month, $result->dayofmonth); $date = sprintf('%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth); $text = mysql2date($archive_day_date_format, $date); if ($show_post_count) $after = ' ('.$result->posts.')'.$afterafter; $output .= get_archives_link($url, $text, $format, $before, $after); } } } elseif ( 'weekly' == $type ) { $week = _wp_mysql_week( '`post_date`' ); $query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; if ( ! $results = wp_cache_get( $key, 'posts' ) ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'posts' ); } $arc_w_last = ''; $afterafter = $after; if ( $results ) { foreach ( (array) $results as $result ) { if ( $result->week != $arc_w_last ) { $arc_year = $result->yr; $arc_w_last = $result->week; $arc_week = get_weekstartend($result->yyyymmdd, get_option('start_of_week')); $arc_week_start = date_i18n($archive_week_start_date_format, $arc_week['start']); $arc_week_end = date_i18n($archive_week_end_date_format, $arc_week['end']); $url = sprintf('%1$s/%2$s%3$sm%4$s%5$s%6$sw%7$s%8$d', home_url(), '', '?', '=', $arc_year, '&', '=', $result->week); $text = $arc_week_start . $archive_week_separator . $arc_week_end; if ($show_post_count) $after = ' ('.$result->posts.')'.$afterafter; $output .= get_archives_link($url, $text, $format, $before, $after); } } } } elseif ( ( 'postbypost' == $type ) || ('alpha' == $type) ) { $orderby = ('alpha' == $type) ? 'post_title ASC ' : 'post_date DESC '; $query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit"; $key = md5( $query ); $key = "wp_get_archives:$key:$last_changed"; if ( ! $results = wp_cache_get( $key, 'posts' ) ) { $results = $wpdb->get_results( $query ); wp_cache_set( $key, $results, 'posts' ); } if ( $results ) { foreach ( (array) $results as $result ) { if ( $result->post_date != '0000-00-00 00:00:00' ) { $url = get_permalink( $result ); if ( $result->post_title ) { /** This filter is documented in wp-includes/post-template.php */ $text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) ); } else { $text = $result->ID; } $output .= get_archives_link($url, $text, $format, $before, $after); } } } } if ( $echo ) echo $output; else return $output; } /** * Get number of days since the start of the week. * * @since 1.5.0 * * @param int $num Number of day. * @return int Days since the start of the week. */ function calendar_week_mod($num) { $base = 7; return ($num - $base*floor($num/$base)); } /** * Display calendar with days that have posts as links. * * The calendar is cached, which will be retrieved, if it exists. If there are * no posts for the month, then it will not be displayed. * * @since 1.0.0 * @uses calendar_week_mod() * * @param bool $initial Optional, default is true. Use initial calendar names. * @param bool $echo Optional, default is true. Set to false for return. * @return string|null String when retrieving, null when displaying. */ function get_calendar($initial = true, $echo = true) { global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; $cache = array(); $key = md5( $m . $monthnum . $year ); if ( $cache = wp_cache_get( 'get_calendar', 'calendar' ) ) { if ( is_array($cache) && isset( $cache[ $key ] ) ) { if ( $echo ) { /** This filter is documented in wp-includes/general-template.php */ echo apply_filters( 'get_calendar', $cache[$key] ); return; } else { /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'get_calendar', $cache[$key] ); } } } if ( !is_array($cache) ) $cache = array(); // Quick check. If we have no posts at all, abort! if ( !$posts ) { $gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1"); if ( !$gotsome ) { $cache[ $key ] = ''; wp_cache_set( 'get_calendar', $cache, 'calendar' ); return; } } if ( isset($_GET['w']) ) $w = ''.intval($_GET['w']); // week_begins = 0 stands for Sunday $week_begins = intval(get_option('start_of_week')); // Let's figure out when we are if ( !empty($monthnum) && !empty($year) ) { $thismonth = ''.zeroise(intval($monthnum), 2); $thisyear = ''.intval($year); } elseif ( !empty($w) ) { // We need to get the month from MySQL $thisyear = ''.intval(substr($m, 0, 4)); $d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's $thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')"); } elseif ( !empty($m) ) { $thisyear = ''.intval(substr($m, 0, 4)); if ( strlen($m) < 6 ) $thismonth = '01'; else $thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2); } else { $thisyear = gmdate('Y', current_time('timestamp')); $thismonth = gmdate('m', current_time('timestamp')); } $unixmonth = mktime(0, 0 , 0, $thismonth, 1, $thisyear); $last_day = date('t', $unixmonth); // Get the next and previous month and year with at least one post $previous = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year FROM $wpdb->posts WHERE post_date < '$thisyear-$thismonth-01' AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date DESC LIMIT 1"); $next = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year FROM $wpdb->posts WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59' AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date ASC LIMIT 1"); /* translators: Calendar caption: 1: month name, 2: 4-digit year */ $calendar_caption = _x('%1$s %2$s', 'calendar caption'); $calendar_output = ''; $myweek = array(); for ( $wdcount=0; $wdcount<=6; $wdcount++ ) { $myweek[] = $wp_locale->get_weekday(($wdcount+$week_begins)%7); } foreach ( $myweek as $wd ) { $day_name = (true == $initial) ? $wp_locale->get_weekday_initial($wd) : $wp_locale->get_weekday_abbrev($wd); $wd = esc_attr($wd); $calendar_output .= "\n\t\t"; } $calendar_output .= ' '; if ( $previous ) { $calendar_output .= "\n\t\t".''; } else { $calendar_output .= "\n\t\t".''; } $calendar_output .= "\n\t\t".''; if ( $next ) { $calendar_output .= "\n\t\t".''; } else { $calendar_output .= "\n\t\t".''; } $calendar_output .= ' '; // Get days with posts $dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date) FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' AND post_type = 'post' AND post_status = 'publish' AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N); if ( $dayswithposts ) { foreach ( (array) $dayswithposts as $daywith ) { $daywithpost[] = $daywith[0]; } } else { $daywithpost = array(); } if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'camino') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false) $ak_title_separator = "\n"; else $ak_title_separator = ', '; $ak_titles_for_day = array(); $ak_post_titles = $wpdb->get_results("SELECT ID, post_title, DAYOFMONTH(post_date) as dom " ."FROM $wpdb->posts " ."WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' " ."AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59' " ."AND post_type = 'post' AND post_status = 'publish'" ); if ( $ak_post_titles ) { foreach ( (array) $ak_post_titles as $ak_post_title ) { /** This filter is documented in wp-includes/post-template.php */ $post_title = esc_attr( apply_filters( 'the_title', $ak_post_title->post_title, $ak_post_title->ID ) ); if ( empty($ak_titles_for_day['day_'.$ak_post_title->dom]) ) $ak_titles_for_day['day_'.$ak_post_title->dom] = ''; if ( empty($ak_titles_for_day["$ak_post_title->dom"]) ) // first one $ak_titles_for_day["$ak_post_title->dom"] = $post_title; else $ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . $post_title; } } // See how much we should pad in the beginning $pad = calendar_week_mod(date('w', $unixmonth)-$week_begins); if ( 0 != $pad ) $calendar_output .= "\n\t\t".''; $daysinmonth = intval(date('t', $unixmonth)); for ( $day = 1; $day <= $daysinmonth; ++$day ) { if ( isset($newrow) && $newrow ) $calendar_output .= "\n\t\n\t\n\t\t"; $newrow = false; if ( $day == gmdate('j', current_time('timestamp')) && $thismonth == gmdate('m', current_time('timestamp')) && $thisyear == gmdate('Y', current_time('timestamp')) ) $calendar_output .= ''; if ( 6 == calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins) ) $newrow = true; } $pad = 7 - calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins); if ( $pad != 0 && $pad != 7 ) $calendar_output .= "\n\t\t".''; $calendar_output .= "\n\t\n\t\n\t
    ' . sprintf($calendar_caption, $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '
    $day_name
    « ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous->month)) . '  ' . $wp_locale->get_month_abbrev($wp_locale->get_month($next->month)) . ' » 
     
    '; else $calendar_output .= ''; if ( in_array($day, $daywithpost) ) // any posts today? $calendar_output .= '$day"; else $calendar_output .= $day; $calendar_output .= ' 
    "; $cache[ $key ] = $calendar_output; wp_cache_set( 'get_calendar', $cache, 'calendar' ); if ( $echo ) { /** * Filter the HTML calendar output. * * @since 3.0.0 * * @param string $calendar_output HTML output of the calendar. */ echo apply_filters( 'get_calendar', $calendar_output ); } else { /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'get_calendar', $calendar_output ); } } /** * Purge the cached results of get_calendar. * * @see get_calendar * @since 2.1.0 */ function delete_get_calendar_cache() { wp_cache_delete( 'get_calendar', 'calendar' ); } add_action( 'save_post', 'delete_get_calendar_cache' ); add_action( 'delete_post', 'delete_get_calendar_cache' ); add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' ); add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' ); /** * Display all of the allowed tags in HTML format with attributes. * * This is useful for displaying in the comment area, which elements and * attributes are supported. As well as any plugins which want to display it. * * @since 1.0.1 * @uses $allowedtags * * @return string HTML allowed tags entity encoded. */ function allowed_tags() { global $allowedtags; $allowed = ''; foreach ( (array) $allowedtags as $tag => $attributes ) { $allowed .= '<'.$tag; if ( 0 < count($attributes) ) { foreach ( $attributes as $attribute => $limits ) { $allowed .= ' '.$attribute.'=""'; } } $allowed .= '> '; } return htmlentities($allowed); } /***** Date/Time tags *****/ /** * Outputs the date in iso8601 format for xml files. * * @since 1.0.0 */ function the_date_xml() { echo mysql2date( 'Y-m-d', get_post()->post_date, false ); } /** * Display or Retrieve the date the current post was written (once per date) * * Will only output the date if the current post's date is different from the * previous one output. * * i.e. Only one date listing will show per day worth of posts shown in the loop, even if the * function is called several times for each post. * * HTML output can be filtered with 'the_date'. * Date string output can be filtered with 'get_the_date'. * * @since 0.71 * * @uses get_the_date() * @param string $d Optional. PHP date format defaults to the date_format option if not specified. * @param string $before Optional. Output before the date. * @param string $after Optional. Output after the date. * @param bool $echo Optional, default is display. Whether to echo the date or return it. * @return string|null Null if displaying, string if retrieving. */ function the_date( $d = '', $before = '', $after = '', $echo = true ) { global $currentday, $previousday; if ( $currentday != $previousday ) { $the_date = $before . get_the_date( $d ) . $after; $previousday = $currentday; /** * Filter the date a post was published for display. * * @since 0.71 * * @param string $the_date The formatted date string. * @param string $d PHP date format. Defaults to 'date_format' option * if not specified. * @param string $before HTML output before the date. * @param string $after HTML output after the date. */ $the_date = apply_filters( 'the_date', $the_date, $d, $before, $after ); if ( $echo ) echo $the_date; else return $the_date; } return null; } /** * Retrieve the date on which the post was written. * * Unlike the_date() this function will always return the date. * Modify output with 'get_the_date' filter. * * @since 3.0.0 * * @param string $d Optional. PHP date format defaults to the date_format option if not specified. * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. * @return string Date the current post was written. */ function get_the_date( $d = '', $post = null ) { $post = get_post( $post ); if ( '' == $d ) { $the_date = mysql2date( get_option( 'date_format' ), $post->post_date ); } else { $the_date = mysql2date( $d, $post->post_date ); } /** * Filter the date a post was published. * * @since 3.0.0 * * @param string $the_date The formatted date. * @param string $d PHP date format. Defaults to 'date_format' option * if not specified. * @param int|WP_Post $post The post object or ID. */ return apply_filters( 'get_the_date', $the_date, $d, $post ); } /** * Display the date on which the post was last modified. * * @since 2.1.0 * * @param string $d Optional. PHP date format defaults to the date_format option if not specified. * @param string $before Optional. Output before the date. * @param string $after Optional. Output after the date. * @param bool $echo Optional, default is display. Whether to echo the date or return it. * @return string|null Null if displaying, string if retrieving. */ function the_modified_date($d = '', $before='', $after='', $echo = true) { $the_modified_date = $before . get_the_modified_date($d) . $after; /** * Filter the date a post was last modified for display. * * @since 2.1.0 * * @param string $the_modified_date The last modified date. * @param string $d PHP date format. Defaults to 'date_format' option * if not specified. * @param string $before HTML output before the date. * @param string $after HTML output after the date. */ $the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $d, $before, $after ); if ( $echo ) echo $the_modified_date; else return $the_modified_date; } /** * Retrieve the date on which the post was last modified. * * @since 2.1.0 * * @param string $d Optional. PHP date format. Defaults to the "date_format" option * @return string */ function get_the_modified_date($d = '') { if ( '' == $d ) $the_time = get_post_modified_time(get_option('date_format'), null, null, true); else $the_time = get_post_modified_time($d, null, null, true); /** * Filter the date a post was last modified. * * @since 2.1.0 * * @param string $the_time The formatted date. * @param string $d PHP date format. Defaults to value specified in * 'date_format' option. */ return apply_filters( 'get_the_modified_date', $the_time, $d ); } /** * Display the time at which the post was written. * * @since 0.71 * * @param string $d Either 'G', 'U', or php date format. */ function the_time( $d = '' ) { /** * Filter the time a post was written for display. * * @since 0.71 * * @param string $get_the_time The formatted time. * @param string $d The time format. Accepts 'G', 'U', * or php date format. */ echo apply_filters( 'the_time', get_the_time( $d ), $d ); } /** * Retrieve the time at which the post was written. * * @since 1.5.0 * * @param string $d Optional. Format to use for retrieving the time the post * was written. Either 'G', 'U', or php date format defaults * to the value specified in the time_format option. Default empty. * @param int|WP_Post $post WP_Post object or ID. Default is global $post object. * @return string|int Formatted date string, or Unix timestamp. */ function get_the_time( $d = '', $post = null ) { $post = get_post($post); if ( '' == $d ) $the_time = get_post_time(get_option('time_format'), false, $post, true); else $the_time = get_post_time($d, false, $post, true); /** * Filter the time a post was written. * * @since 1.5.0 * * @param string $the_time The formatted time. * @param string $d Format to use for retrieving the time the post was written. * Accepts 'G', 'U', or php date format value specified * in 'time_format' option. Default empty. * @param int|WP_Post $post WP_Post object or ID. */ return apply_filters( 'get_the_time', $the_time, $d, $post ); } /** * Retrieve the time at which the post was written. * * @since 2.0.0 * * @param string $d Optional. Format to use for retrieving the time the post * was written. Either 'G', 'U', or php date format. Default 'U'. * @param bool $gmt Optional. Whether to retrieve the GMT time. Default false. * @param int|WP_Post $post WP_Post object or ID. Default is global $post object. * @param bool $translate Whether to translate the time string. Default false. * @return string|int Formatted date string, or Unix timestamp. */ function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) { $post = get_post($post); if ( $gmt ) $time = $post->post_date_gmt; else $time = $post->post_date; $time = mysql2date($d, $time, $translate); /** * Filter the localized time a post was written. * * @since 2.6.0 * * @param string $time The formatted time. * @param string $d Format to use for retrieving the time the post was written. * Accepts 'G', 'U', or php date format. Default 'U'. * @param bool $gmt Whether to retrieve the GMT time. Default false. */ return apply_filters( 'get_post_time', $time, $d, $gmt ); } /** * Display the time at which the post was last modified. * * @since 2.0.0 * * @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option. */ function the_modified_time($d = '') { /** * Filter the localized time a post was last modified, for display. * * @since 2.0.0 * * @param string $get_the_modified_time The formatted time. * @param string $d The time format. Accepts 'G', 'U', * or php date format. Defaults to value * specified in 'time_format' option. */ echo apply_filters( 'the_modified_time', get_the_modified_time($d), $d ); } /** * Retrieve the time at which the post was last modified. * * @since 2.0.0 * * @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option. * @return string */ function get_the_modified_time($d = '') { if ( '' == $d ) $the_time = get_post_modified_time(get_option('time_format'), null, null, true); else $the_time = get_post_modified_time($d, null, null, true); /** * Filter the localized time a post was last modified. * * @since 2.0.0 * * @param string $the_time The formatted time. * @param string $d Format to use for retrieving the time the post was * written. Accepts 'G', 'U', or php date format. Defaults * to value specified in 'time_format' option. */ return apply_filters( 'get_the_modified_time', $the_time, $d ); } /** * Retrieve the time at which the post was last modified. * * @since 2.0.0 * * @param string $d Optional, default is 'U'. Either 'G', 'U', or php date format. * @param bool $gmt Optional, default is false. Whether to return the gmt time. * @param int|object $post Optional, default is global post object. A post_id or post object * @param bool $translate Optional, default is false. Whether to translate the result * @return string Returns timestamp */ function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) { $post = get_post($post); if ( $gmt ) $time = $post->post_modified_gmt; else $time = $post->post_modified; $time = mysql2date($d, $time, $translate); /** * Filter the localized time a post was last modified. * * @since 2.8.0 * * @param string $time The formatted time. * @param string $d The date format. Accepts 'G', 'U', or php date format. Default 'U'. * @param bool $gmt Whether to return the GMT time. Default false. */ return apply_filters( 'get_post_modified_time', $time, $d, $gmt ); } /** * Display the weekday on which the post was written. * * @since 0.71 * @uses $wp_locale * @uses $post */ function the_weekday() { global $wp_locale; $the_weekday = $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) ); /** * Filter the weekday on which the post was written, for display. * * @since 0.71 * * @param string $the_weekday */ $the_weekday = apply_filters( 'the_weekday', $the_weekday ); echo $the_weekday; } /** * Display the weekday on which the post was written. * * Will only output the weekday if the current post's weekday is different from * the previous one output. * * @since 0.71 * * @param string $before Optional Output before the date. * @param string $after Optional Output after the date. */ function the_weekday_date($before='',$after='') { global $wp_locale, $currentday, $previousweekday; $the_weekday_date = ''; if ( $currentday != $previousweekday ) { $the_weekday_date .= $before; $the_weekday_date .= $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) ); $the_weekday_date .= $after; $previousweekday = $currentday; } /** * Filter the localized date on which the post was written, for display. * * @since 0.71 * * @param string $the_weekday_date * @param string $before The HTML to output before the date. * @param string $after The HTML to output after the date. */ $the_weekday_date = apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after ); echo $the_weekday_date; } /** * Fire the wp_head action * * @since 1.2.0 */ function wp_head() { /** * Print scripts or data in the head tag on the front end. * * @since 1.5.0 */ do_action( 'wp_head' ); } /** * Fire the wp_footer action * * @since 1.5.1 */ function wp_footer() { /** * Print scripts or data before the closing body tag on the front end. * * @since 1.5.1 */ do_action( 'wp_footer' ); } /** * Display the links to the general feeds. * * @since 2.8.0 * * @param array $args Optional arguments. */ function feed_links( $args = array() ) { if ( !current_theme_supports('automatic-feed-links') ) return; $defaults = array( /* translators: Separator between blog name and feed type in feed links */ 'separator' => _x('»', 'feed link'), /* translators: 1: blog title, 2: separator (raquo) */ 'feedtitle' => __('%1$s %2$s Feed'), /* translators: 1: blog title, 2: separator (raquo) */ 'comstitle' => __('%1$s %2$s Comments Feed'), ); $args = wp_parse_args( $args, $defaults ); echo '\n"; echo '\n"; } /** * Display the links to the extra feeds such as category feeds. * * @since 2.8.0 * * @param array $args Optional arguments. */ function feed_links_extra( $args = array() ) { $defaults = array( /* translators: Separator between blog name and feed type in feed links */ 'separator' => _x('»', 'feed link'), /* translators: 1: blog name, 2: separator(raquo), 3: post title */ 'singletitle' => __('%1$s %2$s %3$s Comments Feed'), /* translators: 1: blog name, 2: separator(raquo), 3: category name */ 'cattitle' => __('%1$s %2$s %3$s Category Feed'), /* translators: 1: blog name, 2: separator(raquo), 3: tag name */ 'tagtitle' => __('%1$s %2$s %3$s Tag Feed'), /* translators: 1: blog name, 2: separator(raquo), 3: author name */ 'authortitle' => __('%1$s %2$s Posts by %3$s Feed'), /* translators: 1: blog name, 2: separator(raquo), 3: search phrase */ 'searchtitle' => __('%1$s %2$s Search Results for “%3$s” Feed'), /* translators: 1: blog name, 2: separator(raquo), 3: post type name */ 'posttypetitle' => __('%1$s %2$s %3$s Feed'), ); $args = wp_parse_args( $args, $defaults ); if ( is_singular() ) { $id = 0; $post = get_post( $id ); if ( comments_open() || pings_open() || $post->comment_count > 0 ) { $title = sprintf( $args['singletitle'], get_bloginfo('name'), $args['separator'], the_title_attribute( array( 'echo' => false ) ) ); $href = get_post_comments_feed_link( $post->ID ); } } elseif ( is_post_type_archive() ) { $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) $post_type = reset( $post_type ); $post_type_obj = get_post_type_object( $post_type ); $title = sprintf( $args['posttypetitle'], get_bloginfo( 'name' ), $args['separator'], $post_type_obj->labels->name ); $href = get_post_type_archive_feed_link( $post_type_obj->name ); } elseif ( is_category() ) { $term = get_queried_object(); if ( $term ) { $title = sprintf( $args['cattitle'], get_bloginfo('name'), $args['separator'], $term->name ); $href = get_category_feed_link( $term->term_id ); } } elseif ( is_tag() ) { $term = get_queried_object(); if ( $term ) { $title = sprintf( $args['tagtitle'], get_bloginfo('name'), $args['separator'], $term->name ); $href = get_tag_feed_link( $term->term_id ); } } elseif ( is_author() ) { $author_id = intval( get_query_var('author') ); $title = sprintf( $args['authortitle'], get_bloginfo('name'), $args['separator'], get_the_author_meta( 'display_name', $author_id ) ); $href = get_author_feed_link( $author_id ); } elseif ( is_search() ) { $title = sprintf( $args['searchtitle'], get_bloginfo('name'), $args['separator'], get_search_query( false ) ); $href = get_search_feed_link(); } elseif ( is_post_type_archive() ) { $title = sprintf( $args['posttypetitle'], get_bloginfo('name'), $args['separator'], post_type_archive_title( '', false ) ); $post_type_obj = get_queried_object(); if ( $post_type_obj ) $href = get_post_type_archive_feed_link( $post_type_obj->name ); } if ( isset($title) && isset($href) ) echo '' . "\n"; } /** * Display the link to the Really Simple Discovery service endpoint. * * @link http://archipelago.phrasewise.com/rsd * @since 2.0.0 */ function rsd_link() { echo '\n"; } /** * Display the link to the Windows Live Writer manifest file. * * @link http://msdn.microsoft.com/en-us/library/bb463265.aspx * @since 2.3.1 */ function wlwmanifest_link() { echo ' ' . "\n"; } /** * Display a noindex meta tag if required by the blog configuration. * * If a blog is marked as not being public then the noindex meta tag will be * output to tell web robots not to index the page content. Add this to the wp_head action. * Typical usage is as a wp_head callback. add_action( 'wp_head', 'noindex' ); * * @see wp_no_robots * * @since 2.1.0 */ function noindex() { // If the blog is not public, tell robots to go away. if ( '0' == get_option('blog_public') ) wp_no_robots(); } /** * Display a noindex meta tag. * * Outputs a noindex meta tag that tells web robots not to index the page content. * Typical usage is as a wp_head callback. add_action( 'wp_head', 'wp_no_robots' ); * * @since 3.3.0 */ function wp_no_robots() { echo "\n"; } /** * Whether the user should have a WYSIWIG editor. * * Checks that the user requires a WYSIWIG editor and that the editor is * supported in the users browser. * * @since 2.0.0 * * @return bool */ function user_can_richedit() { global $wp_rich_edit, $is_gecko, $is_opera, $is_safari, $is_chrome, $is_IE; if ( !isset($wp_rich_edit) ) { $wp_rich_edit = false; if ( get_user_option( 'rich_editing' ) == 'true' || ! is_user_logged_in() ) { // default to 'true' for logged out users if ( $is_safari ) { $wp_rich_edit = ! wp_is_mobile() || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval( $match[1] ) >= 534 ); } elseif ( $is_gecko || $is_chrome || $is_IE || ( $is_opera && !wp_is_mobile() ) ) { $wp_rich_edit = true; } } } /** * Filter whether the user can access the rich (Visual) editor. * * @since 2.1.0 * * @param bool $wp_rich_edit Whether the user can access to the rich (Visual) editor. */ return apply_filters( 'user_can_richedit', $wp_rich_edit ); } /** * Find out which editor should be displayed by default. * * Works out which of the two editors to display as the current editor for a * user. The 'html' setting is for the "Text" editor tab. * * @since 2.5.0 * * @return string Either 'tinymce', or 'html', or 'test' */ function wp_default_editor() { $r = user_can_richedit() ? 'tinymce' : 'html'; // defaults if ( $user = wp_get_current_user() ) { // look for cookie $ed = get_user_setting('editor', 'tinymce'); $r = ( in_array($ed, array('tinymce', 'html', 'test') ) ) ? $ed : $r; } /** * Filter which editor should be displayed by default. * * @since 2.5.0 * * @param array $r An array of editors. Accepts 'tinymce', 'html', 'test'. */ return apply_filters( 'wp_default_editor', $r ); } /** * Renders an editor. * * Using this function is the proper way to output all needed components for both TinyMCE and Quicktags. * _WP_Editors should not be used directly. See http://core.trac.wordpress.org/ticket/17144. * * NOTE: Once initialized the TinyMCE editor cannot be safely moved in the DOM. For that reason * running wp_editor() inside of a metabox is not a good idea unless only Quicktags is used. * On the post edit screen several actions can be used to include additional editors * containing TinyMCE: 'edit_page_form', 'edit_form_advanced' and 'dbx_post_sidebar'. * See http://core.trac.wordpress.org/ticket/19173 for more information. * * @see wp-includes/class-wp-editor.php * @since 3.3.0 * * @param string $content Initial content for the editor. * @param string $editor_id HTML ID attribute value for the textarea and TinyMCE. Can only be /[a-z]+/. * @param array $settings See _WP_Editors::editor(). */ function wp_editor( $content, $editor_id, $settings = array() ) { if ( ! class_exists( '_WP_Editors' ) ) require( ABSPATH . WPINC . '/class-wp-editor.php' ); _WP_Editors::editor($content, $editor_id, $settings); } /** * Retrieve the contents of the search WordPress query variable. * * The search query string is passed through {@link esc_attr()} * to ensure that it is safe for placing in an html attribute. * * @since 2.3.0 * @uses esc_attr() * * @param bool $escaped Whether the result is escaped. Default true. * Only use when you are later escaping it. Do not use unescaped. * @return string */ function get_search_query( $escaped = true ) { /** * Filter the contents of the search query variable. * * @since 2.3.0 * * @param mixed $search Contents of the search query variable. */ $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); if ( $escaped ) $query = esc_attr( $query ); return $query; } /** * Display the contents of the search query variable. * * The search query string is passed through {@link esc_attr()} * to ensure that it is safe for placing in an html attribute. * * @uses esc_attr() * @since 2.1.0 */ function the_search_query() { /** * Filter the contents of the search query variable for display. * * @since 2.3.0 * * @param mixed $search Contents of the search query variable. */ echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) ); } /** * Display the language attributes for the html tag. * * Builds up a set of html attributes containing the text direction and language * information for the page. * * @since 2.1.0 * * @param string $doctype The type of html document (xhtml|html). */ function language_attributes($doctype = 'html') { $attributes = array(); $output = ''; if ( function_exists( 'is_rtl' ) && is_rtl() ) $attributes[] = 'dir="rtl"'; if ( $lang = get_bloginfo('language') ) { if ( get_option('html_type') == 'text/html' || $doctype == 'html' ) $attributes[] = "lang=\"$lang\""; if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' ) $attributes[] = "xml:lang=\"$lang\""; } $output = implode(' ', $attributes); /** * Filter the language attributes for display in the html tag. * * @since 2.5.0 * * @param string $output A space-separated list of language attributes. */ echo apply_filters( 'language_attributes', $output ); } /** * Retrieve paginated link for archive post pages. * * Technically, the function can be used to create paginated link list for any * area. The 'base' argument is used to reference the url, which will be used to * create the paginated links. The 'format' argument is then used for replacing * the page number. It is however, most likely and by default, to be used on the * archive post pages. * * The 'type' argument controls format of the returned value. The default is * 'plain', which is just a string with the links separated by a newline * character. The other possible values are either 'array' or 'list'. The * 'array' value will return an array of the paginated link list to offer full * control of display. The 'list' value will place all of the paginated links in * an unordered HTML list. * * The 'total' argument is the total amount of pages and is an integer. The * 'current' argument is the current page number and is also an integer. * * An example of the 'base' argument is "http://example.com/all_posts.php%_%" * and the '%_%' is required. The '%_%' will be replaced by the contents of in * the 'format' argument. An example for the 'format' argument is "?page=%#%" * and the '%#%' is also required. The '%#%' will be replaced with the page * number. * * You can include the previous and next links in the list by setting the * 'prev_next' argument to true, which it is by default. You can set the * previous text, by using the 'prev_text' argument. You can set the next text * by setting the 'next_text' argument. * * If the 'show_all' argument is set to true, then it will show all of the pages * instead of a short list of the pages near the current page. By default, the * 'show_all' is set to false and controlled by the 'end_size' and 'mid_size' * arguments. The 'end_size' argument is how many numbers on either the start * and the end list edges, by default is 1. The 'mid_size' argument is how many * numbers to either side of current page, but not including current page. * * It is possible to add query vars to the link by using the 'add_args' argument * and see {@link add_query_arg()} for more information. * * The 'before_page_number' and 'after_page_number' arguments allow users to * augment the links themselves. Typically this might be to add context to the * numbered links so that screen reader users understand what the links are for. * The text strings are added before and after the page number - within the * anchor tag. * * @since 2.1.0 * * @param string|array $args Optional. Override defaults. * @return array|string String of page links or array of page links. */ function paginate_links( $args = '' ) { $defaults = array( 'base' => '%_%', // http://example.com/all_posts.php%_% : %_% is replaced by format (below) 'format' => '?page=%#%', // ?page=%#% : %#% is replaced by the page number 'total' => 1, 'current' => 0, 'show_all' => false, 'prev_next' => true, 'prev_text' => __('« Previous'), 'next_text' => __('Next »'), 'end_size' => 1, 'mid_size' => 2, 'type' => 'plain', 'add_args' => false, // array of query args to add 'add_fragment' => '', 'before_page_number' => '', 'after_page_number' => '' ); $args = wp_parse_args( $args, $defaults ); extract($args, EXTR_SKIP); // Who knows what else people pass in $args $total = (int) $total; if ( $total < 2 ) return; $current = (int) $current; $end_size = 0 < (int) $end_size ? (int) $end_size : 1; // Out of bounds? Make it the default. $mid_size = 0 <= (int) $mid_size ? (int) $mid_size : 2; $add_args = is_array($add_args) ? $add_args : false; $r = ''; $page_links = array(); $n = 0; $dots = false; if ( $prev_next && $current && 1 < $current ) : $link = str_replace('%_%', 2 == $current ? '' : $format, $base); $link = str_replace('%#%', $current - 1, $link); if ( $add_args ) $link = add_query_arg( $add_args, $link ); $link .= $add_fragment; /** * Filter the paginated links for the given archive pages. * * @since 3.0.0 * * @param string $link The paginated link URL. */ $page_links[] = ''; endif; for ( $n = 1; $n <= $total; $n++ ) : if ( $n == $current ) : $page_links[] = "" . $before_page_number . number_format_i18n( $n ) . $after_page_number . ""; $dots = true; else : if ( $show_all || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) : $link = str_replace('%_%', 1 == $n ? '' : $format, $base); $link = str_replace('%#%', $n, $link); if ( $add_args ) $link = add_query_arg( $add_args, $link ); $link .= $add_fragment; /** This filter is documented in wp-includes/general-template.php */ $page_links[] = "" . $before_page_number . number_format_i18n( $n ) . $after_page_number . ""; $dots = true; elseif ( $dots && !$show_all ) : $page_links[] = '' . __( '…' ) . ''; $dots = false; endif; endif; endfor; if ( $prev_next && $current && ( $current < $total || -1 == $total ) ) : $link = str_replace('%_%', $format, $base); $link = str_replace('%#%', $current + 1, $link); if ( $add_args ) $link = add_query_arg( $add_args, $link ); $link .= $add_fragment; /** This filter is documented in wp-includes/general-template.php */ $page_links[] = ''; endif; switch ( $type ) : case 'array' : return $page_links; break; case 'list' : $r .= "\n"; break; default : $r = join("\n", $page_links); break; endswitch; return $r; } /** * Registers an admin colour scheme css file. * * Allows a plugin to register a new admin colour scheme. For example: * * wp_admin_css_color('classic', __('Classic'), admin_url("css/colors-classic.css"), * array('#07273E', '#14568A', '#D54E21', '#2683AE')); * * * @since 2.5.0 * * @param string $key The unique key for this theme. * @param string $name The name of the theme. * @param string $url The url of the css file containing the colour scheme. * @param array $colors Optional An array of CSS color definitions which are used to give the user a feel for the theme. * @param array $icons Optional An array of CSS color definitions used to color any SVG icons */ function wp_admin_css_color( $key, $name, $url, $colors = array(), $icons = array() ) { global $_wp_admin_css_colors; if ( !isset($_wp_admin_css_colors) ) $_wp_admin_css_colors = array(); $_wp_admin_css_colors[$key] = (object) array( 'name' => $name, 'url' => $url, 'colors' => $colors, 'icon_colors' => $icons, ); } /** * Registers the default Admin color schemes * * @since 3.0.0 */ function register_admin_color_schemes() { $suffix = is_rtl() ? '-rtl' : ''; $suffix .= defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; wp_admin_css_color( 'fresh', _x( 'Default', 'admin color scheme' ), false, array( '#222', '#333', '#0074a2', '#2ea2cc' ), array( 'base' => '#999', 'focus' => '#2ea2cc', 'current' => '#fff' ) ); // Other color schemes are not available when running out of src if ( false !== strpos( $GLOBALS['wp_version'], '-src' ) ) return; wp_admin_css_color( 'light', _x( 'Light', 'admin color scheme' ), admin_url( "css/colors/light/colors$suffix.css" ), array( '#e5e5e5', '#999', '#d64e07', '#04a4cc' ), array( 'base' => '#999', 'focus' => '#ccc', 'current' => '#ccc' ) ); wp_admin_css_color( 'blue', _x( 'Blue', 'admin color scheme' ), admin_url( "css/colors/blue/colors$suffix.css" ), array( '#096484', '#4796b3', '#52accc', '#74B6CE' ), array( 'base' => '#e5f8ff', 'focus' => '#fff', 'current' => '#fff' ) ); wp_admin_css_color( 'midnight', _x( 'Midnight', 'admin color scheme' ), admin_url( "css/colors/midnight/colors$suffix.css" ), array( '#25282b', '#363b3f', '#69a8bb', '#e14d43' ), array( 'base' => '#f1f2f3', 'focus' => '#fff', 'current' => '#fff' ) ); wp_admin_css_color( 'sunrise', _x( 'Sunrise', 'admin color scheme' ), admin_url( "css/colors/sunrise/colors$suffix.css" ), array( '#b43c38', '#cf4944', '#dd823b', '#ccaf0b' ), array( 'base' => '#f3f1f1', 'focus' => '#fff', 'current' => '#fff' ) ); wp_admin_css_color( 'ectoplasm', _x( 'Ectoplasm', 'admin color scheme' ), admin_url( "css/colors/ectoplasm/colors$suffix.css" ), array( '#413256', '#523f6d', '#a3b745', '#d46f15' ), array( 'base' => '#ece6f6', 'focus' => '#fff', 'current' => '#fff' ) ); wp_admin_css_color( 'ocean', _x( 'Ocean', 'admin color scheme' ), admin_url( "css/colors/ocean/colors$suffix.css" ), array( '#627c83', '#738e96', '#9ebaa0', '#aa9d88' ), array( 'base' => '#f2fcff', 'focus' => '#fff', 'current' => '#fff' ) ); wp_admin_css_color( 'coffee', _x( 'Coffee', 'admin color scheme' ), admin_url( "css/colors/coffee/colors$suffix.css" ), array( '#46403c', '#59524c', '#c7a589', '#9ea476' ), array( 'base' => '#f3f2f1', 'focus' => '#fff', 'current' => '#fff' ) ); } /** * Display the URL of a WordPress admin CSS file. * * @see WP_Styles::_css_href and its style_loader_src filter. * * @since 2.3.0 * * @param string $file file relative to wp-admin/ without its ".css" extension. */ function wp_admin_css_uri( $file = 'wp-admin' ) { if ( defined('WP_INSTALLING') ) { $_file = "./$file.css"; } else { $_file = admin_url("$file.css"); } $_file = add_query_arg( 'version', get_bloginfo( 'version' ), $_file ); /** * Filter the URI of a WordPress admin CSS file. * * @since 2.3.0 * * @param string $_file Relative path to the file with query arguments attached. * @param string $file Relative path to the file, minus its ".css" extension. */ return apply_filters( 'wp_admin_css_uri', $_file, $file ); } /** * Enqueues or directly prints a stylesheet link to the specified CSS file. * * "Intelligently" decides to enqueue or to print the CSS file. If the * 'wp_print_styles' action has *not* yet been called, the CSS file will be * enqueued. If the wp_print_styles action *has* been called, the CSS link will * be printed. Printing may be forced by passing true as the $force_echo * (second) parameter. * * For backward compatibility with WordPress 2.3 calling method: If the $file * (first) parameter does not correspond to a registered CSS file, we assume * $file is a file relative to wp-admin/ without its ".css" extension. A * stylesheet link to that generated URL is printed. * * @since 2.3.0 * @uses $wp_styles WordPress Styles Object * * @param string $file Optional. Style handle name or file name (without ".css" extension) relative * to wp-admin/. Defaults to 'wp-admin'. * @param bool $force_echo Optional. Force the stylesheet link to be printed rather than enqueued. */ function wp_admin_css( $file = 'wp-admin', $force_echo = false ) { global $wp_styles; if ( !is_a($wp_styles, 'WP_Styles') ) $wp_styles = new WP_Styles(); // For backward compatibility $handle = 0 === strpos( $file, 'css/' ) ? substr( $file, 4 ) : $file; if ( $wp_styles->query( $handle ) ) { if ( $force_echo || did_action( 'wp_print_styles' ) ) // we already printed the style queue. Print this one immediately wp_print_styles( $handle ); else // Add to style queue wp_enqueue_style( $handle ); return; } /** * Filter the stylesheet link to the specified CSS file. * * If the site is set to display right-to-left, the RTL stylesheet link * will be used instead. * * @since 2.3.0 * * @param string $file Style handle name or filename (without ".css" extension) * relative to wp-admin/. Defaults to 'wp-admin'. */ echo apply_filters( 'wp_admin_css', "\n", $file ); if ( function_exists( 'is_rtl' ) && is_rtl() ) { /** This filter is documented in wp-includes/general-template.php */ echo apply_filters( 'wp_admin_css', "\n", "$file-rtl" ); } } /** * Enqueues the default ThickBox js and css. * * If any of the settings need to be changed, this can be done with another js * file similar to media-upload.js. That file should * require array('thickbox') to ensure it is loaded after. * * @since 2.5.0 */ function add_thickbox() { wp_enqueue_script( 'thickbox' ); wp_enqueue_style( 'thickbox' ); if ( is_network_admin() ) add_action( 'admin_head', '_thickbox_path_admin_subfolder' ); } /** * Display the XHTML generator that is generated on the wp_head hook. * * @since 2.5.0 */ function wp_generator() { /** * Filter the output of the XHTML generator tag. * * @since 2.5.0 * * @param string $generator_type The XHTML generator. */ the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) ); } /** * Display the generator XML or Comment for RSS, ATOM, etc. * * Returns the correct generator type for the requested output format. Allows * for a plugin to filter generators overall the the_generator filter. * * @since 2.5.0 * * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export). */ function the_generator( $type ) { /** * Filter the output of the XHTML generator tag for display. * * @since 2.5.0 * * @param string $generator_type The generator output. * @param string $type The type of generator to output. Accepts 'html', * 'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'. */ echo apply_filters( 'the_generator', get_the_generator($type), $type ) . "\n"; } /** * Creates the generator XML or Comment for RSS, ATOM, etc. * * Returns the correct generator type for the requested output format. Allows * for a plugin to filter generators on an individual basis using the * 'get_the_generator_{$type}' filter. * * @since 2.5.0 * * @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export). * @return string The HTML content for the generator. */ function get_the_generator( $type = '' ) { if ( empty( $type ) ) { $current_filter = current_filter(); if ( empty( $current_filter ) ) return; switch ( $current_filter ) { case 'rss2_head' : case 'commentsrss2_head' : $type = 'rss2'; break; case 'rss_head' : case 'opml_head' : $type = 'comment'; break; case 'rdf_header' : $type = 'rdf'; break; case 'atom_head' : case 'comments_atom_head' : case 'app_head' : $type = 'atom'; break; } } switch ( $type ) { case 'html': $gen = ''; break; case 'xhtml': $gen = ''; break; case 'atom': $gen = 'WordPress'; break; case 'rss2': $gen = 'http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . ''; break; case 'rdf': $gen = ''; break; case 'comment': $gen = ''; break; case 'export': $gen = ''; break; } /** * Filter the HTML for the retrieved generator type. * * The dynamic portion of the hook name, $type, refers to the generator type. * * @since 2.5.0 * * @param string $gen The HTML markup output to 'wp_head()'. * @param string $type The type of generator. Accepts 'html', 'xhtml', 'atom', * 'rss2', 'rdf', 'comment', 'export'. */ return apply_filters( "get_the_generator_{$type}", $gen, $type ); } /** * Outputs the html checked attribute. * * Compares the first two arguments and if identical marks as checked * * @since 1.0.0 * * @param mixed $checked One of the values to compare * @param mixed $current (true) The other value to compare if not just true * @param bool $echo Whether to echo or just return the string * @return string html attribute or empty string */ function checked( $checked, $current = true, $echo = true ) { return __checked_selected_helper( $checked, $current, $echo, 'checked' ); } /** * Outputs the html selected attribute. * * Compares the first two arguments and if identical marks as selected * * @since 1.0.0 * * @param mixed $selected One of the values to compare * @param mixed $current (true) The other value to compare if not just true * @param bool $echo Whether to echo or just return the string * @return string html attribute or empty string */ function selected( $selected, $current = true, $echo = true ) { return __checked_selected_helper( $selected, $current, $echo, 'selected' ); } /** * Outputs the html disabled attribute. * * Compares the first two arguments and if identical marks as disabled * * @since 3.0.0 * * @param mixed $disabled One of the values to compare * @param mixed $current (true) The other value to compare if not just true * @param bool $echo Whether to echo or just return the string * @return string html attribute or empty string */ function disabled( $disabled, $current = true, $echo = true ) { return __checked_selected_helper( $disabled, $current, $echo, 'disabled' ); } /** * Private helper function for checked, selected, and disabled. * * Compares the first two arguments and if identical marks as $type * * @since 2.8.0 * @access private * * @param mixed $helper One of the values to compare * @param mixed $current (true) The other value to compare if not just true * @param bool $echo Whether to echo or just return the string * @param string $type The type of checked|selected|disabled we are doing * @return string html attribute or empty string */ function __checked_selected_helper( $helper, $current, $echo, $type ) { if ( (string) $helper === (string) $current ) $result = " $type='$type'"; else $result = ''; if ( $echo ) echo $result; return $result; } /** * Default settings for heartbeat * * Outputs the nonce used in the heartbeat XHR * * @since 3.6.0 * * @param array $settings * @return array $settings */ function wp_heartbeat_settings( $settings ) { if ( ! is_admin() ) $settings['ajaxurl'] = admin_url( 'admin-ajax.php', 'relative' ); if ( is_user_logged_in() ) $settings['nonce'] = wp_create_nonce( 'heartbeat-nonce' ); return $settings; } /** * Post revision functions. * * @package WordPress * @subpackage Post_Revisions */ /** * Determines which fields of posts are to be saved in revisions. * * Does two things. If passed a post *array*, it will return a post array ready * to be inserted into the posts table as a post revision. Otherwise, returns * an array whose keys are the post fields to be saved for post revisions. * * @since 2.6.0 * @access private * * @param array $post Optional a post array to be processed for insertion as a post revision. * @param bool $autosave optional Is the revision an autosave? * @return array Post array ready to be inserted as a post revision or array of fields that can be versioned. */ function _wp_post_revision_fields( $post = null, $autosave = false ) { static $fields = false; if ( !$fields ) { // Allow these to be versioned $fields = array( 'post_title' => __( 'Title' ), 'post_content' => __( 'Content' ), 'post_excerpt' => __( 'Excerpt' ), ); /** * Filter the list of fields saved in post revisions. * * Included by default: 'post_title', 'post_content' and 'post_excerpt'. * * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date', * 'post_date_gmt', 'post_status', 'post_type', 'comment_count', * and 'post_author'. * * @since 2.6.0 * * @param array $fields List of fields to revision. Contains 'post_title', * 'post_content', and 'post_excerpt' by default. */ $fields = apply_filters( '_wp_post_revision_fields', $fields ); // WP uses these internally either in versioning or elsewhere - they cannot be versioned foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) unset( $fields[$protect] ); } if ( !is_array($post) ) return $fields; $return = array(); foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field ) $return[$field] = $post[$field]; $return['post_parent'] = $post['ID']; $return['post_status'] = 'inherit'; $return['post_type'] = 'revision'; $return['post_name'] = $autosave ? "$post[ID]-autosave-v1" : "$post[ID]-revision-v1"; // "1" is the revisioning system version $return['post_date'] = isset($post['post_modified']) ? $post['post_modified'] : ''; $return['post_date_gmt'] = isset($post['post_modified_gmt']) ? $post['post_modified_gmt'] : ''; return $return; } /** * Saves an already existing post as a post revision. * * Typically used immediately after post updates. * Adds a copy of the current post as a revision, so latest revision always matches current post * * @since 2.6.0 * * @uses _wp_put_post_revision() * * @param int $post_id The ID of the post to save as a revision. * @return mixed Null or 0 if error, new revision ID, if success. */ function wp_save_post_revision( $post_id ) { if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return; if ( ! $post = get_post( $post_id ) ) return; if ( ! post_type_supports( $post->post_type, 'revisions' ) ) return; if ( 'auto-draft' == $post->post_status ) return; if ( ! wp_revisions_enabled( $post ) ) return; // Compare the proposed update with the last stored revision verifying that // they are different, unless a plugin tells us to always save regardless. // If no previous revisions, save one if ( $revisions = wp_get_post_revisions( $post_id ) ) { // grab the last revision, but not an autosave foreach ( $revisions as $revision ) { if ( false !== strpos( $revision->post_name, "{$revision->post_parent}-revision" ) ) { $last_revision = $revision; break; } } /** * Filter whether the post has changed since the last revision. * * By default a revision is saved only if one of the revisioned fields has changed. * This filter can override that so a revision is saved even if nothing has changed. * * @since 3.6.0 * * @param bool $check_for_changes Whether to check for changes before saving a new revision. * Default true. * @param int $last_revision ID of the last revision. * @param int $post Post ID. * */ if ( isset( $last_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', $check_for_changes = true, $last_revision, $post ) ) { $post_has_changed = false; foreach ( array_keys( _wp_post_revision_fields() ) as $field ) { if ( normalize_whitespace( $post->$field ) != normalize_whitespace( $last_revision->$field ) ) { $post_has_changed = true; break; } } //don't save revision if post unchanged if( ! $post_has_changed ) return; } } $return = _wp_put_post_revision( $post ); $revisions_to_keep = wp_revisions_to_keep( $post ); if ( $revisions_to_keep < 0 ) return $return; // all revisions and autosaves $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) ); $delete = count($revisions) - $revisions_to_keep; if ( $delete < 1 ) return $return; $revisions = array_slice( $revisions, 0, $delete ); for ( $i = 0; isset( $revisions[$i] ); $i++ ) { if ( false !== strpos( $revisions[ $i ]->post_name, 'autosave' ) ) continue; wp_delete_post_revision( $revisions[ $i ]->ID ); } return $return; } /** * Retrieve the autosaved data of the specified post. * * Returns a post object containing the information that was autosaved for the * specified post. If the optional $user_id is passed, returns the autosave for that user * otherwise returns the latest autosave. * * @since 2.6.0 * * @uses wp_get_post_revisions() * * @param int $post_id The post ID. * @param int $user_id optional The post author ID. * @return object|bool The autosaved data or false on failure or when no autosave exists. */ function wp_get_post_autosave( $post_id, $user_id = 0 ) { $revisions = wp_get_post_revisions( $post_id, array( 'check_enabled' => false ) ); foreach ( $revisions as $revision ) { if ( false !== strpos( $revision->post_name, "{$post_id}-autosave" ) ) { if ( $user_id && $user_id != $revision->post_author ) continue; return $revision; break; } } return false; } /** * Determines if the specified post is a revision. * * @since 2.6.0 * * @param int|object $post Post ID or post object. * @return bool|int False if not a revision, ID of revision's parent otherwise. */ function wp_is_post_revision( $post ) { if ( !$post = wp_get_post_revision( $post ) ) return false; return (int) $post->post_parent; } /** * Determines if the specified post is an autosave. * * @since 2.6.0 * * @param int|object $post Post ID or post object. * @return bool|int False if not a revision, ID of autosave's parent otherwise */ function wp_is_post_autosave( $post ) { if ( !$post = wp_get_post_revision( $post ) ) return false; if ( false !== strpos( $post->post_name, "{$post->post_parent}-autosave" ) ) return (int) $post->post_parent; return false; } /** * Inserts post data into the posts table as a post revision. * * @since 2.6.0 * @access private * * @uses wp_insert_post() * * @param int|object|array $post Post ID, post object OR post array. * @param bool $autosave Optional. Is the revision an autosave? * @return mixed WP_Error or 0 if error, new revision ID if success. */ function _wp_put_post_revision( $post = null, $autosave = false ) { if ( is_object($post) ) $post = get_object_vars( $post ); elseif ( !is_array($post) ) $post = get_post($post, ARRAY_A); if ( ! $post || empty($post['ID']) ) return new WP_Error( 'invalid_post', __( 'Invalid post ID' ) ); if ( isset($post['post_type']) && 'revision' == $post['post_type'] ) return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) ); $post_id = $post['ID']; $post = _wp_post_revision_fields( $post, $autosave ); $post = wp_slash($post); //since data is from db $revision_id = wp_insert_post( $post ); if ( is_wp_error($revision_id) ) return $revision_id; if ( $revision_id ) { /** * Fires once a revision has been saved. * * @since 2.6.0 * * @param int $revision_id Post revision ID. */ do_action( '_wp_put_post_revision', $revision_id ); } return $revision_id; } /** * Gets a post revision. * * @since 2.6.0 * * @uses get_post() * * @param int|object $post The post ID or object. * @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N. * @param string $filter Optional sanitation filter. @see sanitize_post(). * @return mixed Null if error or post object if success. */ function wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') { if ( !$revision = get_post( $post, OBJECT, $filter ) ) return $revision; if ( 'revision' !== $revision->post_type ) return null; if ( $output == OBJECT ) { return $revision; } elseif ( $output == ARRAY_A ) { $_revision = get_object_vars($revision); return $_revision; } elseif ( $output == ARRAY_N ) { $_revision = array_values(get_object_vars($revision)); return $_revision; } return $revision; } /** * Restores a post to the specified revision. * * Can restore a past revision using all fields of the post revision, or only selected fields. * * @since 2.6.0 * * @uses wp_get_post_revision() * @uses wp_update_post() * * @param int|object $revision_id Revision ID or revision object. * @param array $fields Optional. What fields to restore from. Defaults to all. * @return mixed Null if error, false if no fields to restore, (int) post ID if success. */ function wp_restore_post_revision( $revision_id, $fields = null ) { if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) ) return $revision; if ( !is_array( $fields ) ) $fields = array_keys( _wp_post_revision_fields() ); $update = array(); foreach( array_intersect( array_keys( $revision ), $fields ) as $field ) { $update[$field] = $revision[$field]; } if ( !$update ) return false; $update['ID'] = $revision['post_parent']; $update = wp_slash( $update ); //since data is from db $post_id = wp_update_post( $update ); if ( ! $post_id || is_wp_error( $post_id ) ) return $post_id; // Add restore from details $restore_details = array( 'restored_revision_id' => $revision_id, 'restored_by_user' => get_current_user_id(), 'restored_time' => time() ); update_post_meta( $post_id, '_post_restored_from', $restore_details ); // Update last edit user update_post_meta( $post_id, '_edit_last', get_current_user_id() ); /** * Fires after a post revision has been restored. * * @since 2.6.0 * * @param int $post_id Post ID. * @param int $revision_id Post revision ID. */ do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] ); return $post_id; } /** * Deletes a revision. * * Deletes the row from the posts table corresponding to the specified revision. * * @since 2.6.0 * * @uses wp_get_post_revision() * @uses wp_delete_post() * * @param int|object $revision_id Revision ID or revision object. * @return mixed Null or WP_Error if error, deleted post if success. */ function wp_delete_post_revision( $revision_id ) { if ( !$revision = wp_get_post_revision( $revision_id ) ) return $revision; $delete = wp_delete_post( $revision->ID ); if ( is_wp_error( $delete ) ) return $delete; if ( $delete ) { /** * Fires once a post revision has been deleted. * * @since 2.6.0 * * @param int $revision_id Post revision ID. * @param object|array $revision Post revision object or array. */ do_action( 'wp_delete_post_revision', $revision->ID, $revision ); } return $delete; } /** * Returns all revisions of specified post. * * @since 2.6.0 * * @uses get_children() * * @param int|object $post_id Post ID or post object * @return array An array of revisions, or an empty array if none. */ function wp_get_post_revisions( $post_id = 0, $args = null ) { $post = get_post( $post_id ); if ( ! $post || empty( $post->ID ) ) return array(); $defaults = array( 'order' => 'DESC', 'orderby' => 'date', 'check_enabled' => true ); $args = wp_parse_args( $args, $defaults ); if ( $args['check_enabled'] && ! wp_revisions_enabled( $post ) ) return array(); $args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) ); if ( ! $revisions = get_children( $args ) ) return array(); return $revisions; } /** * Determine if revisions are enabled for a given post. * * @since 3.6.0 * * @uses wp_revisions_to_keep() * * @param object $post The post object. * @return bool True if number of revisions to keep isn't zero, false otherwise. */ function wp_revisions_enabled( $post ) { return wp_revisions_to_keep( $post ) != 0; } /** * Determine how many revisions to retain for a given post. * By default, an infinite number of revisions are stored if a post type supports revisions. * * @since 3.6.0 * * @uses post_type_supports() * * @param object $post The post object. * @return int The number of revisions to keep. */ function wp_revisions_to_keep( $post ) { $num = WP_POST_REVISIONS; if ( true === $num ) $num = -1; else $num = intval( $num ); if ( ! post_type_supports( $post->post_type, 'revisions' ) ) $num = 0; /** * Filter the number of revisions to save for the given post. * * Overrides the value of WP_POST_REVISIONS. * * @since 3.6.0 * * @param int $num Number of revisions to store. * @param WP_Post $post Post object. */ return (int) apply_filters( 'wp_revisions_to_keep', $num, $post ); } /** * Sets up the post object for preview based on the post autosave. * * @since 2.7.0 * @access private */ function _set_preview($post) { if ( ! is_object($post) ) return $post; $preview = wp_get_post_autosave($post->ID); if ( ! is_object($preview) ) return $post; $preview = sanitize_post($preview); $post->post_content = $preview->post_content; $post->post_title = $preview->post_title; $post->post_excerpt = $preview->post_excerpt; add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 ); return $post; } /** * Filters the latest content for preview from the post autosave. * * @since 2.7.0 * @access private */ function _show_post_preview() { if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) { $id = (int) $_GET['preview_id']; if ( false == wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) wp_die( __('You do not have permission to preview drafts.') ); add_filter('the_preview', '_set_preview'); } } /** * Filters terms lookup to set the post format. * * @since 3.6.0 * @access private */ function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) { if ( ! $post = get_post() ) return $terms; if ( empty( $_REQUEST['post_format'] ) || $post->ID != $post_id || 'post_format' != $taxonomy || 'revision' == $post->post_type ) return $terms; if ( 'standard' == $_REQUEST['post_format'] ) $terms = array(); elseif ( $term = get_term_by( 'slug', 'post-format-' . sanitize_key( $_REQUEST['post_format'] ), 'post_format' ) ) $terms = array( $term ); // Can only have one post format return $terms; } /** * Gets the post revision version. * * @since 3.6.0 * @access private */ function _wp_get_post_revision_version( $revision ) { if ( is_object( $revision ) ) $revision = get_object_vars( $revision ); elseif ( !is_array( $revision ) ) return false; if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) return (int) $matches[1]; return 0; } /** * Upgrade the revisions author, add the current post as a revision and set the revisions version to 1 * * @since 3.6.0 * @access private * * @uses wp_get_post_revisions() * * @param object $post Post object * @param array $revisions Current revisions of the post * @return bool true if the revisions were upgraded, false if problems */ function _wp_upgrade_revisions_of_post( $post, $revisions ) { global $wpdb; // Add post option exclusively $lock = "revision-upgrade-{$post->ID}"; $now = time(); $result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no') /* LOCK */", $lock, $now ) ); if ( ! $result ) { // If we couldn't get a lock, see how old the previous lock is $locked = get_option( $lock ); if ( ! $locked ) { // Can't write to the lock, and can't read the lock. // Something broken has happened return false; } if ( $locked > $now - 3600 ) { // Lock is not too old: some other process may be upgrading this post. Bail. return false; } // Lock is too old - update it (below) and continue } // If we could get a lock, re-"add" the option to fire all the correct filters. update_option( $lock, $now ); reset( $revisions ); $add_last = true; do { $this_revision = current( $revisions ); $prev_revision = next( $revisions ); $this_revision_version = _wp_get_post_revision_version( $this_revision ); // Something terrible happened if ( false === $this_revision_version ) continue; // 1 is the latest revision version, so we're already up to date. // No need to add a copy of the post as latest revision. if ( 0 < $this_revision_version ) { $add_last = false; continue; } // Always update the revision version $update = array( 'post_name' => preg_replace( '/^(\d+-(?:autosave|revision))[\d-]*$/', '$1-v1', $this_revision->post_name ), ); // If this revision is the oldest revision of the post, i.e. no $prev_revision, // the correct post_author is probably $post->post_author, but that's only a good guess. // Update the revision version only and Leave the author as-is. if ( $prev_revision ) { $prev_revision_version = _wp_get_post_revision_version( $prev_revision ); // If the previous revision is already up to date, it no longer has the information we need :( if ( $prev_revision_version < 1 ) $update['post_author'] = $prev_revision->post_author; } // Upgrade this revision $result = $wpdb->update( $wpdb->posts, $update, array( 'ID' => $this_revision->ID ) ); if ( $result ) wp_cache_delete( $this_revision->ID, 'posts' ); } while ( $prev_revision ); delete_option( $lock ); // Add a copy of the post as latest revision. if ( $add_last ) wp_save_post_revision( $post->ID ); return true; }
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