'; } 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; } /** * 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. */ $link = apply_filters( 'register', $link ); if ( $echo ) { echo $link; } else { return $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 $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() && ! is_post_type_archive() ) { $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. * * @since 1.2.0 * * @see get_archives_link() * * @param string|array $args { * Default archive links arguments. Optional. * * @type string $type Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly', * 'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha' * display the same archive link list as well as post titles instead * of displaying dates. The difference between the two is that 'alpha' * will order by post title and 'postbypost' will order by post date. * Default 'monthly'. * @type string|int $limit Number of links to limit the query to. Default empty (no limit). * @type string $format Format each link should take using the $before and $after args. * Accepts 'link' (`` tag), 'option' (`