/blog/wp-includes/general-template.php
PHP | 1932 lines | 1228 code | 151 blank | 553 comment | 185 complexity | 60587a0ef8fac6161c3e736acea5f55c MD5 | raw file
Possible License(s): AGPL-1.0, LGPL-2.1, GPL-2.0, AGPL-3.0, BSD-3-Clause
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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.
- *
- * 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";
- $templates[] = 'header.php';
- // Backward compat code will be removed in a future release
- if ('' == locate_template($templates, true))
- load_template( ABSPATH . WPINC . '/theme-compat/header.php');
- }
- /**
- * Load footer template.
- *
- * Includes the footer template for a theme or if a name is specified then a
- * specialised footer will be included.
- *
- * For the parameter, if the file is called "footer-special.php" then specify
- * "special".
- *
- * @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";
- $templates[] = 'footer.php';
- // Backward compat code will be removed in a future release
- if ('' == locate_template($templates, true))
- load_template( ABSPATH . WPINC . '/theme-compat/footer.php');
- }
- /**
- * Load sidebar template.
- *
- * Includes the sidebar template for a theme or if a name is specified then a
- * specialised sidebar will be included.
- *
- * For the parameter, if the file is called "sidebar-special.php" then specify
- * "special".
- *
- * @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";
- $templates[] = 'sidebar.php';
- // Backward compat code will be removed in a future release
- if ('' == locate_template($templates, true))
- load_template( ABSPATH . WPINC . '/theme-compat/sidebar.php');
- }
- /**
- * Load a template part into a template
- *
- * Makes it easy for a theme to reuse sections of code in a easy to overload way
- * for child themes.
- *
- * Includes the named template part for a theme or if a name is specified then a
- * specialised part will be included. If the theme contains no {slug}.php file
- * then no template will be included.
- *
- * The template is included using require, not require_once, so you may include the
- * same template part multiple times.
- *
- * For the parameter, if the file is called "{slug}-special.php" then specify
- * "special".
- *
- * @uses locate_template()
- * @since 3.0.0
- * @uses do_action() Calls 'get_template_part{$slug}' action.
- *
- * @param string $slug The slug name for the generic template.
- * @param string $name The name of the specialised template.
- */
- function get_template_part( $slug, $name = null ) {
- do_action( "get_template_part_{$slug}", $slug, $name );
- $templates = array();
- if ( isset($name) )
- $templates[] = "{$slug}-{$name}.php";
- $templates[] = "{$slug}.php";
- locate_template($templates, true, false);
- }
- /**
- * Display search form.
- *
- * Will first attempt to locate the searchform.php file in either the child or
- * the parent, then load it. If it doesn't exist, then the default search form
- * will be displayed. The default search form is HTML, which will be displayed.
- * There is a filter applied to the search form HTML in order to edit or replace
- * it. The filter is 'get_search_form'.
- *
- * This function is primarily used by themes which want to hardcode the search
- * form into the sidebar and also by the search widget in WordPress.
- *
- * There is also an action that is called whenever the function is run called,
- * 'get_search_form'. This can be useful for outputting JavaScript that the
- * search relies on or various formatting that applies to the beginning of the
- * search. To give a few examples of what it can be used for.
- *
- * @since 2.7.0
- * @param boolean $echo Default to echo and not return the form.
- */
- function get_search_form($echo = true) {
- do_action( 'get_search_form' );
- $search_form_template = locate_template('searchform.php');
- if ( '' != $search_form_template ) {
- require($search_form_template);
- return;
- }
- $form = '<form role="search" method="get" id="searchform" action="' . home_url( '/' ) . '" >
- <div><label class="screen-reader-text" for="s">' . __('Search for:') . '</label>
- <input type="text" value="' . get_search_query() . '" name="s" id="s" />
- <input type="submit" id="searchsubmit" value="'. esc_attr__('Search') .'" />
- </div>
- </form>';
- if ( $echo )
- echo apply_filters('get_search_form', $form);
- else
- return apply_filters('get_search_form', $form);
- }
- /**
- * 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 $echo Default to echo and not return the link.
- */
- function wp_loginout($redirect = '', $echo = true) {
- 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>';
- 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 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 2.7.0
- * @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);
- }
- /**
- * 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 Void, or string containing the form
- */
- function wp_login_form( $args = array() ) {
- $defaults = array( 'echo' => true,
- 'redirect' => site_url( $_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 = '
- <form name="' . $args['form_id'] . '" id="' . $args['form_id'] . '" action="' . site_url( 'wp-login.php', 'login' ) . '" method="post">
- ' . apply_filters( 'login_form_top', '', $args ) . '
- <p class="login-username">
- <label for="' . esc_attr( $args['id_username'] ) . '">' . esc_html( $args['label_username'] ) . '</label>
- <input type="text" name="log" id="' . esc_attr( $args['id_username'] ) . '" class="input" value="' . esc_attr( $args['value_username'] ) . '" size="20" tabindex="10" />
- </p>
- <p class="login-password">
- <label for="' . esc_attr( $args['id_password'] ) . '">' . esc_html( $args['label_password'] ) . '</label>
- <input type="password" name="pwd" id="' . esc_attr( $args['id_password'] ) . '" class="input" value="" size="20" tabindex="20" />
- </p>
- ' . apply_filters( 'login_form_middle', '', $args ) . '
- ' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever" tabindex="90"' . ( $args['value_remember'] ? ' checked="checked"' : '' ) . ' /> ' . esc_html( $args['label_remember'] ) . '</label></p>' : '' ) . '
- <p class="login-submit">
- <input type="submit" name="wp-submit" id="' . esc_attr( $args['id_submit'] ) . '" class="button-primary" value="' . esc_attr( $args['label_log_in'] ) . '" tabindex="100" />
- <input type="hidden" name="redirect_to" value="' . esc_attr( $args['redirect'] ) . '" />
- </p>
- ' . apply_filters( 'login_form_bottom', '', $args ) . '
- </form>';
- 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 $redirect Path to redirect to on login.
- */
- function wp_lostpassword_url($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>).
- * @param boolean $echo Default to echo and not return the link.
- */
- function wp_register( $before = '<li>', $after = '</li>', $echo = true ) {
- 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;
- }
- 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.
- * <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).
- *
- * @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 <code>%s</code> option is deprecated for the family of <code>bloginfo()</code> functions.' ), $show ) . ' ' . sprintf( __( 'Use the <code>%s</code> 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 = 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':
- //_deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The <code>%s</code> option is deprecated for the family of <code>bloginfo()</code> functions.' ), $show ) . ' ' . sprintf( __( 'Use the <code>%s</code> 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;
- }
- /**
- * Retrieve the current blog id
- *
- * @since 3.1.0
- *
- * @return int Blog id
- */
- function get_current_blog_id() {
- global $blog_id;
- return absint($blog_id);
- }
- /**
- * 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 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();
- $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();
- $title = $author->display_name;
- }
- // If there's a post type archive
- if ( is_post_type_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 $title;
- }
- /**
- * Display or retrieve title for a post type archive.
- *
- * This is optimized for archive.php and archive-{$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_obj = get_queried_object();
- $title = apply_filters('post_type_archive_title', $post_type_obj->labels->name );
- if ( $display )
- echo $prefix . $title;
- else
- return $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 $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 <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
- *
- * @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_set( '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_set( '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_set( '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 ) {
- $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` 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_set( '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', home_url(), '', '?', '=', $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_set( '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.
- * @param bool $echo Optional, default is true. Set to false for return.
- */
- function get_calendar($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');
- $calendar_output = '<table id="wp-calendar">
- <caption>' . sprintf($calendar_caption, $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '</caption>
- <thead>
- <tr>';
- $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);
- $calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>";
- }
- $calendar_output .= '
- </tr>
- </thead>
- <tfoot>
- <tr>';
- if ( $previous ) {
- $calendar_output .= "\n\t\t".'<td colspan="3" id="prev"><a href="' . get_month_link($previous->year, $previous->month) . '" title="' . esc_attr( sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($previous->month), date('Y', mktime(0, 0 , 0, $previous->month, 1, $previous->year)))) . '">« ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous->month)) . '</a></td>';
- } else {
- $calendar_output .= "\n\t\t".'<td colspan="3" id="prev" class="pad"> </td>';
- }
- $calendar_output .= "\n\t\t".'<td class="pad"> </td>';
- if ( $next ) {
- $calendar_output .= "\n\t\t".'<td colspan="3" id="next"><a href="' . get_month_link($next->year, $next->month) . '" title="' . esc_attr( sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($next->month), date('Y', mktime(0, 0 , 0, $next->month, 1, $next->year))) ) . '">' . $wp_locale->get_month_abbrev($wp_locale->get_month($next->month)) . ' »</a></td>';
- } else {
- $calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad"> </td>';
- }
- $calendar_output .= '
- </tr>
- </tfoot>
- <tbody>
- <tr>';
- // 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 ) {
- $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 )
- $calendar_output .= "\n\t\t".'<td colspan="'. esc_attr($pad) .'" class="pad"> </td>';
- $daysinmonth = intval(date('t', $unixmonth));
- for ( $day = 1; $day <= $daysinmonth; ++$day ) {
- if ( isset($newrow) && $newrow )
- $calendar_output .= "\n\t</tr>\n\t<tr>\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 .= '<td id="today">';
- else
- $calendar_output .= '<td>';
- if ( in_array($day, $daywithpost) ) // any posts today?
- $calendar_output .= '<a href="' . get_day_link( $thisyear, $thismonth, $day ) . '" title="' . esc_attr( $ak_titles_for_day[ $day ] ) . "\">$day</a>";
- else
- $calendar_output .= $day;
- $calendar_output .= '</td>';
- 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 )
- $calendar_output .= "\n\t\t".'<td class="pad" colspan="'. esc_attr($pad) .'"> </td>';
- $calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>";
- $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() {
- global $post;
- echo mysql2date('Y-m-d', $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 = '' ) {
- global $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 o…
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