/
general-template.php
2049 lines (1856 loc) · 67.1 KB
/
general-template.php
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<?php
/**
* General template tags that can go anywhere in a template.
*
* @package WordPress
* @subpackage Template
*/
/**
* Load header template.
*
* Includes the header template for a theme or if a name is specified then a
* specialised header will be included. If the theme contains no header.php file
* then the header from the default theme will be included.
*
* For the parameter, if the file is called "header-special.php" then specify
* "special".
*
* @uses locate_template()
* @since 1.5.0
* @uses do_action() Calls 'get_header' action.
*
* @param string $name The name of the specialised header.
*/
function get_header( $name = null ) {
do_action( 'get_header', $name );
$templates = array();
if ( isset($name) )
$templates[] = "header-{$name}.php";
$templates[] = "header.php";
if ('' == locate_template($templates, true))
load_template( get_theme_root() . '/default/header.php');
}
/**
* Load footer template.
*
* Includes the footer template for a theme or if a name is specified then a
* specialised footer will be included. If the theme contains no footer.php file
* then the footer from the default theme will be included.
*
* For the parameter, if the file is called "footer-special.php" then specify
* "special".
*
* @uses locate_template()
* @since 1.5.0
* @uses do_action() Calls 'get_footer' action.
*
* @param string $name The name of the specialised footer.
*/
function get_footer( $name = null ) {
do_action( 'get_footer', $name );
$templates = array();
if ( isset($name) )
$templates[] = "footer-{$name}.php";
$templates[] = "footer.php";
if ('' == locate_template($templates, true))
load_template( get_theme_root() . '/default/footer.php');
}
/**
* Load sidebar template.
*
* Includes the sidebar template for a theme or if a name is specified then a
* specialised sidebar will be included. If the theme contains no sidebar.php
* file then the sidebar from the default theme will be included.
*
* For the parameter, if the file is called "sidebar-special.php" then specify
* "special".
*
* @uses locate_template()
* @since 1.5.0
* @uses do_action() Calls 'get_sidebar' action.
*
* @param string $name The name of the specialised sidebar.
*/
function get_sidebar( $name = null ) {
do_action( 'get_sidebar', $name );
$templates = array();
if ( isset($name) )
$templates[] = "sidebar-{$name}.php";
$templates[] = "sidebar.php";
if ('' == locate_template($templates, true))
load_template( get_theme_root() . '/default/sidebar.php');
}
/**
* Display search form.
*
* Will first attempt to locate the searchform.php file in either the child or
* the parent, then load it. If it doesn't exist, then the default search form
* will be displayed. The default search form is HTML, which will be displayed.
* There is a filter applied to the search form HTML in order to edit or replace
* it. The filter is 'get_search_form'.
*
* This function is primarily used by themes which want to hardcode the search
* form into the sidebar and also by the search widget in WordPress.
*
* There is also an action that is called whenever the function is run called,
* 'get_search_form'. This can be useful for outputting JavaScript that the
* search relies on or various formatting that applies to the beginning of the
* search. To give a few examples of what it can be used for.
*
* @since 2.7.0
*/
function get_search_form() {
do_action( 'get_search_form' );
$search_form_template = locate_template(array('searchform.php'));
if ( '' != $search_form_template ) {
require($search_form_template);
return;
}
$form = '<form role="search" method="get" id="searchform" action="' . get_option('home') . '/" >
<div><label class="screen-reader-text" for="s">' . __('Search for:') . '</label>
<input type="text" value="' . esc_attr(apply_filters('the_search_query', get_search_query())) . '" name="s" id="s" />
<input type="submit" id="searchsubmit" value="'. esc_attr__('Search') .'" />
</div>
</form>';
echo apply_filters('get_search_form', $form);
}
/**
* Display the Log In/Out link.
*
* Displays a link, which allows the user to navigate to the Log In page to log in
* or log out depending on whether or not they are currently logged in.
*
* @since 1.5.0
* @uses apply_filters() Calls 'loginout' hook on HTML link content.
*
* @param string $redirect Optional path to redirect to on login/logout.
*/
function wp_loginout($redirect = '') {
if ( ! is_user_logged_in() )
$link = '<a href="' . esc_url( wp_login_url($redirect) ) . '">' . __('Log in') . '</a>';
else
$link = '<a href="' . esc_url( wp_logout_url($redirect) ) . '">' . __('Log out') . '</a>';
echo 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
* @uses wp_nonce_url() To protect against CSRF
* @uses site_url() To generate the log in URL
* @uses apply_filters() calls 'logout_url' hook on final logout url
*
* @param string $redirect Path to redirect to on logout.
*/
function wp_logout_url($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
* @uses site_url() To generate the log in URL
* @uses apply_filters() calls 'login_url' hook on final login url
*
* @param string $redirect Path to redirect to on login.
*/
function wp_login_url($redirect = '') {
$login_url = site_url('wp-login.php', 'login');
if ( !empty($redirect) ) {
$login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url);
}
return apply_filters('login_url', $login_url, $redirect);
}
/**
* 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 $redirect Path to redirect to on login.
*/
function wp_lostpassword_url($redirect = '') {
$args = array( 'action' => 'lostpassword' );
if ( !empty($redirect) ) {
$args['redirect_to'] = $redirect;
}
$lostpassword_url = add_query_arg($args, 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 <li>).
* @param string $after Text to output after the link (defaults to </li>).
*/
function wp_register( $before = '<li>', $after = '</li>' ) {
if ( ! is_user_logged_in() ) {
if ( get_option('users_can_register') )
$link = $before . '<a href="' . site_url('wp-login.php?action=register', 'login') . '">' . __('Register') . '</a>' . $after;
else
$link = '';
} else {
$link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after;
}
echo 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. Care should be taken to check the function contents and know what
* the deprecated blog info options are. Options without "// DEPRECATED" are
* the preferred and recommended ways to get the information.
*
* The possible values for the 'show' parameter are listed below.
* <ol>
* <li><strong>url<strong> - Blog URI to homepage.</li>
* <li><strong>wpurl</strong> - Blog URI path to WordPress.</li>
* <li><strong>description</strong> - Secondary title</li>
* </ol>
*
* 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).
*
* There are many other options and you should check the function contents:
* {@source 32 37}
*
* @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 'url' :
case 'home' : // DEPRECATED
case 'siteurl' : // DEPRECATED
$output = get_option('home');
break;
case 'wpurl' :
$output = get_option('siteurl');
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 = get_option('siteurl') .'/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':
global $wp_locale;
$output = $wp_locale->text_direction;
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, $wp_query;
$cat = get_query_var('cat');
$tag = get_query_var('tag_id');
$category_name = get_query_var('category_name');
$author = get_query_var('author');
$author_name = get_query_var('author_name');
$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 = '';
$t_sep = '%WP_TITILE_SEP%'; // Temporary separator, for accurate flipping, if necessary
// If there's a category
if ( !empty($cat) ) {
// category exclusion
if ( !stristr($cat,'-') )
$title = apply_filters('single_cat_title', get_the_category_by_ID($cat));
} elseif ( !empty($category_name) ) {
if ( stristr($category_name,'/') ) {
$category_name = explode('/',$category_name);
if ( $category_name[count($category_name)-1] )
$category_name = $category_name[count($category_name)-1]; // no trailing slash
else
$category_name = $category_name[count($category_name)-2]; // there was a trailling slash
}
$cat = get_term_by('slug', $category_name, 'category', OBJECT, 'display');
if ( $cat )
$title = apply_filters('single_cat_title', $cat->name);
}
if ( !empty($tag) ) {
$tag = get_term($tag, 'post_tag', OBJECT, 'display');
if ( is_wp_error( $tag ) )
return $tag;
if ( ! empty($tag->name) )
$title = apply_filters('single_tag_title', $tag->name);
}
// If there's an author
if ( !empty($author) ) {
$title = get_userdata($author);
$title = $title->display_name;
}
if ( !empty($author_name) ) {
// We do a direct query here because we don't cache by nicename.
$title = $wpdb->get_var($wpdb->prepare("SELECT display_name FROM $wpdb->users WHERE user_nicename = %s", $author_name));
}
// If there's a month
if ( !empty($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 ( !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 there is a post
if ( is_single() || ( is_home() && !is_front_page() ) || ( is_page() && !is_front_page() ) ) {
$post = $wp_query->get_queried_object();
$title = strip_tags( apply_filters( 'single_post_title', $post->post_title ) );
}
// If there's a taxonomy
if ( is_tax() ) {
$taxonomy = get_query_var( 'taxonomy' );
$tax = get_taxonomy( $taxonomy );
$tax = $tax->label;
$term = $wp_query->get_queried_object();
$term = $term->name;
$title = "$tax$t_sep$term";
}
//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 ( 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.
* Only useful for posts, does not support pages for example.
*
* 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
* @uses $wpdb
*
* @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) {
global $wpdb;
$p = get_query_var('p');
$name = get_query_var('name');
if ( intval($p) || '' != $name ) {
if ( !$p )
$p = $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_name = %s", $name));
$post = & get_post($p);
$title = $post->post_title;
$title = apply_filters('single_post_title', $title);
if ( $display )
echo $prefix.strip_tags($title);
else
return strip_tags($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 ) {
$cat = intval( get_query_var('cat') );
if ( !empty($cat) && !(strtoupper($cat) == 'ALL') ) {
$my_cat_name = apply_filters('single_cat_title', get_the_category_by_ID($cat));
if ( !empty($my_cat_name) ) {
if ( $display )
echo $prefix.strip_tags($my_cat_name);
else
return strip_tags($my_cat_name);
}
} else if ( is_tag() ) {
return single_tag_title($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 ) {
if ( !is_tag() )
return;
$tag_id = intval( get_query_var('tag_id') );
if ( !empty($tag_id) ) {
$my_tag = &get_term($tag_id, 'post_tag', OBJECT, 'display');
if ( is_wp_error( $my_tag ) )
return false;
$my_tag_name = apply_filters('single_tag_title', $my_tag->name);
if ( !empty($my_tag_name) ) {
if ( $display )
echo $prefix . $my_tag_name;
else
return $my_tag_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 <em>archives</em>
* 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
* @author Orien
* @link http://icecode.com/ link navigation hack by Orien
*
* @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);
$title_text = esc_attr($text);
$url = esc_url($url);
if ('link' == $format)
$link_html = "\t<link rel='archives' title='$title_text' href='$url' />\n";
elseif ('option' == $format)
$link_html = "\t<option value='$url'>$before $text $after</option>\n";
elseif ('html' == $format)
$link_html = "\t<li>$before<a href='$url' title='$title_text'>$text</a>$after</li>\n";
else // custom
$link_html = "\t$before<a href='$url' title='$title_text'>$text</a>$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 $args Optional. Override defaults.
*/
function wp_get_archives($args = '') {
global $wpdb, $wp_locale;
$defaults = array(
'type' => 'monthly', 'limit' => '',
'format' => 'html', 'before' => '',
'after' => '', 'show_post_count' => false,
'echo' => 1
);
$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );
if ( '' == $type )
$type = 'monthly';
if ( '' != $limit ) {
$limit = absint($limit);
$limit = ' LIMIT '.$limit;
}
// 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');
}
//filters
$where = apply_filters('getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r );
$join = apply_filters('getarchives_join', "", $r);
$output = '';
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 DESC $limit";
$key = md5($query);
$cache = wp_cache_get( 'wp_get_archives' , 'general');
if ( !isset( $cache[ $key ] ) ) {
$arcresults = $wpdb->get_results($query);
$cache[ $key ] = $arcresults;
wp_cache_add( 'wp_get_archives', $cache, 'general' );
} else {
$arcresults = $cache[ $key ];
}
if ( $arcresults ) {
$afterafter = $after;
foreach ( (array) $arcresults as $arcresult ) {
$url = get_month_link( $arcresult->year, $arcresult->month );
/* translators: 1: month name, 2: 4-digit year */
$text = sprintf(__('%1$s %2$d'), $wp_locale->get_month($arcresult->month), $arcresult->year);
if ( $show_post_count )
$after = ' ('.$arcresult->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 DESC $limit";
$key = md5($query);
$cache = wp_cache_get( 'wp_get_archives' , 'general');
if ( !isset( $cache[ $key ] ) ) {
$arcresults = $wpdb->get_results($query);
$cache[ $key ] = $arcresults;
wp_cache_add( 'wp_get_archives', $cache, 'general' );
} else {
$arcresults = $cache[ $key ];
}
if ($arcresults) {
$afterafter = $after;
foreach ( (array) $arcresults as $arcresult) {
$url = get_year_link($arcresult->year);
$text = sprintf('%d', $arcresult->year);
if ($show_post_count)
$after = ' ('.$arcresult->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 DESC $limit";
$key = md5($query);
$cache = wp_cache_get( 'wp_get_archives' , 'general');
if ( !isset( $cache[ $key ] ) ) {
$arcresults = $wpdb->get_results($query);
$cache[ $key ] = $arcresults;
wp_cache_add( 'wp_get_archives', $cache, 'general' );
} else {
$arcresults = $cache[ $key ];
}
if ( $arcresults ) {
$afterafter = $after;
foreach ( (array) $arcresults as $arcresult ) {
$url = get_day_link($arcresult->year, $arcresult->month, $arcresult->dayofmonth);
$date = sprintf('%1$d-%2$02d-%3$02d 00:00:00', $arcresult->year, $arcresult->month, $arcresult->dayofmonth);
$text = mysql2date($archive_day_date_format, $date);
if ($show_post_count)
$after = ' ('.$arcresult->posts.')'.$afterafter;
$output .= get_archives_link($url, $text, $format, $before, $after);
}
}
} elseif ( 'weekly' == $type ) {
$start_of_week = get_option('start_of_week');
$query = "SELECT DISTINCT WEEK(post_date, $start_of_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(post_date, $start_of_week), YEAR(post_date) ORDER BY post_date DESC $limit";
$key = md5($query);
$cache = wp_cache_get( 'wp_get_archives' , 'general');
if ( !isset( $cache[ $key ] ) ) {
$arcresults = $wpdb->get_results($query);
$cache[ $key ] = $arcresults;
wp_cache_add( 'wp_get_archives', $cache, 'general' );
} else {
$arcresults = $cache[ $key ];
}
$arc_w_last = '';
$afterafter = $after;
if ( $arcresults ) {
foreach ( (array) $arcresults as $arcresult ) {
if ( $arcresult->week != $arc_w_last ) {
$arc_year = $arcresult->yr;
$arc_w_last = $arcresult->week;
$arc_week = get_weekstartend($arcresult->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', get_option('home'), '', '?', '=', $arc_year, '&', '=', $arcresult->week);
$text = $arc_week_start . $archive_week_separator . $arc_week_end;
if ($show_post_count)
$after = ' ('.$arcresult->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);
$cache = wp_cache_get( 'wp_get_archives' , 'general');
if ( !isset( $cache[ $key ] ) ) {
$arcresults = $wpdb->get_results($query);
$cache[ $key ] = $arcresults;
wp_cache_add( 'wp_get_archives', $cache, 'general' );
} else {
$arcresults = $cache[ $key ];
}
if ( $arcresults ) {
foreach ( (array) $arcresults as $arcresult ) {
if ( $arcresult->post_date != '0000-00-00 00:00:00' ) {
$url = get_permalink($arcresult);
$arc_title = $arcresult->post_title;
if ( $arc_title )
$text = strip_tags(apply_filters('the_title', $arc_title));
else
$text = $arcresult->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
* @usedby get_calendar()
*
* @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
*
* @param bool $initial Optional, default is true. Use initial calendar names.
*/
function get_calendar($initial = 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 ] ) ) {
echo $cache[ $key ];
return;
}
}
if ( !is_array($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', $cache, 'calendar' );
return;
}
}
ob_start();
if ( isset($_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';