diff -r 000000000000 -r d970ebf37754 wp/wp-includes/general-template.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wp/wp-includes/general-template.php Wed Nov 06 03:21:17 2013 +0000 @@ -0,0 +1,2372 @@ + + + + '; + } else { + $form = ''; + } + } + + $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 + * @uses apply_filters() Calls 'loginout' hook on HTML link content. + * + * @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 ) + echo apply_filters('loginout', $link); + else + 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. + * @uses apply_filters() calls 'logout_url' hook on final logout 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' ); + + 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. + * @uses apply_filters() calls 'login_url' hook on final login 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); + + 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. + * @uses apply_filters() calls 'register_url' hook on final URL. + * + * @return string + */ +function wp_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 + ); + $args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) ); + + $form = ' +
+ ' . apply_filters( 'login_form_top', '', $args ) . ' +

+ + +

+

+ + +

+ ' . apply_filters( 'login_form_middle', '', $args ) . ' + ' . ( $args['remember'] ? '

' : '' ) . ' +

+ + +

+ ' . apply_filters( 'login_form_bottom', '', $args ) . ' +
'; + + 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 + * @uses apply_filters() calls 'lostpassword_url' hook on the lostpassword 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') ); + 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 + * @uses apply_filters() Calls 'register' hook on register / admin link content. + * + * @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 ) + echo apply_filters('register', $link); + else + 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. + * @uses do_action() Calls 'wp_meta' hook. + */ +function wp_meta() { + 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. + *
    2. wpurl - Blog URI path to WordPress.
      3. + *
    3. description - Secondary title
      4. + *
    + * + * 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 ) + $output = apply_filters('bloginfo_url', $output, $show); + else + $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 ); + } + + $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; + + $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 ); + $title = apply_filters('post_type_archive_title', $post_type_obj->labels->name ); + + 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() ) + $term_name = apply_filters( 'single_cat_title', $term->name ); + elseif ( is_tag() ) + $term_name = apply_filters( 'single_tag_title', $term->name ); + elseif ( is_tax() ) + $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"; + + $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'); + } + + $where = apply_filters( 'getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r ); + $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 ) { + echo apply_filters( 'get_calendar', $cache[$key] ); + return; + } else { + 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 ) + echo apply_filters( 'get_calendar', $calendar_output ); + else + 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; + $the_date = ''; + if ( $currentday != $previousday ) { + $the_date .= $before; + $the_date .= get_the_date( $d ); + $the_date .= $after; + $previousday = $currentday; + + $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 the current $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. + * @return string|null Null if displaying, string if retrieving. + */ +function get_the_date( $d = '' ) { + $post = get_post(); + $the_date = ''; + + if ( '' == $d ) + $the_date .= mysql2date(get_option('date_format'), $post->post_date); + else + $the_date .= mysql2date($d, $post->post_date); + + return apply_filters('get_the_date', $the_date, $d); +} + +/** + * 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; + $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); + 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 = '' ) { + 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 Either 'G', 'U', or php date format defaults to the value specified in the time_format option. + * @param int|object $post Optional post ID or object. Default is global $post object. + * @return string + */ +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); + 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 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 post ID or object. Default is global $post object. + * @param bool $translate Whether to translate the time string + * @return string + */ +function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) { // returns timestamp + $post = get_post($post); + + if ( $gmt ) + $time = $post->post_date_gmt; + else + $time = $post->post_date; + + $time = mysql2date($d, $time, $translate); + 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 = '') { + 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); + 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); + + 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 ) ); + $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; + } + $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 + * @uses do_action() Calls 'wp_head' hook. + */ +function wp_head() { + do_action('wp_head'); +} + +/** + * Fire the wp_footer action + * + * @since 1.5.1 + * @uses do_action() Calls 'wp_footer' hook. + */ +function wp_footer() { + 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'], esc_html( get_the_title() ) ); + $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"; +} + +/** + * Determine if TinyMCE is available. + * + * Checks to see if the user has deleted the tinymce files to slim down there WordPress install. + * + * @since 2.1.0 + * + * @return bool Whether TinyMCE exists. + */ +function rich_edit_exists() { + global $wp_rich_edit_exists; + if ( !isset($wp_rich_edit_exists) ) + $wp_rich_edit_exists = file_exists(ABSPATH . WPINC . '/js/tinymce/tiny_mce.js'); + return $wp_rich_edit_exists; +} + +/** + * 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; + } + } + } + + 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; + } + return apply_filters( 'wp_default_editor', $r ); // filter +} + +/** + * 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 ) { + $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() { + 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); + $output = apply_filters('language_attributes', $output); + echo $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. + * + * @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' => '' + ); + + $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; + $page_links[] = ''; + endif; + for ( $n = 1; $n <= $total; $n++ ) : + $n_display = number_format_i18n($n); + if ( $n == $current ) : + $page_links[] = "$n_display"; + $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; + $page_links[] = "$n_display"; + $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; + $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 $colors Optional An array of CSS color definitions which are used to give the user a feel for the theme. + */ +function wp_admin_css_color($key, $name, $url, $colors = 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); +} + +/** + * Registers the default Admin color schemes + * + * @since 3.0.0 + */ +function register_admin_color_schemes() { + wp_admin_css_color( 'classic', _x( 'Blue', 'admin color scheme' ), admin_url( 'css/colors-classic.min.css' ), + array( '#5589aa', '#cfdfe9', '#d1e5ee', '#eff8ff' ) ); + wp_admin_css_color( 'fresh', _x( 'Gray', 'admin color scheme' ), admin_url( 'css/colors-fresh.min.css' ), + array( '#555', '#a0a0a0', '#ccc', '#f1f1f1' ) ); +} + +/** + * 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 ); + + 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. + * + * @package WordPress + * @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; + } + + echo apply_filters( 'wp_admin_css', "\n", $file ); + if ( function_exists( 'is_rtl' ) && is_rtl() ) + echo apply_filters( 'wp_admin_css', "\n", "$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() { + 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 + * @uses apply_filters() Calls 'the_generator' hook. + * + * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export). + */ +function the_generator( $type ) { + echo apply_filters('the_generator', get_the_generator($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 + * @uses apply_filters() Calls 'get_the_generator_$type' hook. + * + * @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': + $gen = ''; + break; + } + return apply_filters( "get_the_generator_{$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; +}