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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".
*
* @since 1.5.0
*
* @param string $name The name of the specialised header.
*/
function get_header( $name = null ) {
/**
* Fires before the header template file is loaded.
*
* The hook allows a specific header template file to be used in place of the
* default header template file. If your file is called header-new.php,
* you would specify the filename in the hook as get_header( 'new' ).
*
* @since 2.1.0
* @since 2.8.0 $name parameter added.
*
* @param string|null $name Name of the specific header file to use. null for the default header.
*/
do_action( 'get_header', $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name ) {
$templates[] = "header-{$name}.php";
}
$templates[] = 'header.php';
locate_template( $templates, true );
}
/**
* Load footer template.
*
* Includes the footer template for a theme or if a name is specified then a
* specialised footer will be included.
*
* For the parameter, if the file is called "footer-special.php" then specify
* "special".
*
* @since 1.5.0
*
* @param string $name The name of the specialised footer.
*/
function get_footer( $name = null ) {
/**
* Fires before the footer template file is loaded.
*
* The hook allows a specific footer template file to be used in place of the
* default footer template file. If your file is called footer-new.php,
* you would specify the filename in the hook as get_footer( 'new' ).
*
* @since 2.1.0
* @since 2.8.0 $name parameter added.
*
* @param string|null $name Name of the specific footer file to use. null for the default footer.
*/
do_action( 'get_footer', $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name ) {
$templates[] = "footer-{$name}.php";
}
$templates[] = 'footer.php';
locate_template( $templates, true );
}
/**
* Load sidebar template.
*
* Includes the sidebar template for a theme or if a name is specified then a
* specialised sidebar will be included.
*
* For the parameter, if the file is called "sidebar-special.php" then specify
* "special".
*
* @since 1.5.0
*
* @param string $name The name of the specialised sidebar.
*/
function get_sidebar( $name = null ) {
/**
* Fires before the sidebar template file is loaded.
*
* The hook allows a specific sidebar template file to be used in place of the
* default sidebar template file. If your file is called sidebar-new.php,
* you would specify the filename in the hook as get_sidebar( 'new' ).
*
* @since 2.2.0
* @since 2.8.0 $name parameter added.
*
* @param string|null $name Name of the specific sidebar file to use. null for the default sidebar.
*/
do_action( 'get_sidebar', $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name )
$templates[] = "sidebar-{$name}.php";
$templates[] = 'sidebar.php';
locate_template( $templates, true );
}
/**
* Load a template part into a template
*
* Makes it easy for a theme to reuse sections of code in a easy to overload way
* for child themes.
*
* Includes the named template part for a theme or if a name is specified then a
* specialised part will be included. If the theme contains no {slug}.php file
* then no template will be included.
*
* The template is included using require, not require_once, so you may include the
* same template part multiple times.
*
* For the $name parameter, if the file is called "{slug}-special.php" then specify
* "special".
*
* @since 3.0.0
*
* @param string $slug The slug name for the generic template.
* @param string $name The name of the specialised template.
*/
function get_template_part( $slug, $name = null ) {
/**
* Fires before the specified template part file is loaded.
*
* The dynamic portion of the hook name, `$slug`, refers to the slug name
* for the generic template part.
*
* @since 3.0.0
*
* @param string $slug The slug name for the generic template.
* @param string|null $name The name of the specialized template.
*/
do_action( "get_template_part_{$slug}", $slug, $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name )
$templates[] = "{$slug}-{$name}.php";
$templates[] = "{$slug}.php";
locate_template($templates, true, false);
}
/**
* Display search form.
*
* Will first attempt to locate the searchform.php file in either the child or
* the parent, then load it. If it doesn't exist, then the default search form
* will be displayed. The default search form is HTML, which will be displayed.
* There is a filter applied to the search form HTML in order to edit or replace
* it. The filter is {@see '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,
* {@see 'pre_get_search_form'}. This can be useful for outputting JavaScript that the
* search relies on or various formatting that applies to the beginning of the
* search. To give a few examples of what it can be used for.
*
* @since 2.7.0
*
* @param bool $echo Default to echo and not return the form.
* @return string|void String when $echo is false.
*/
function get_search_form( $echo = true ) {
/**
* Fires before the search form is retrieved, at the start of get_search_form().
*
* @since 2.7.0 as 'get_search_form' action.
* @since 3.6.0
*
* @link https://core.trac.wordpress.org/ticket/19321
*/
do_action( 'pre_get_search_form' );
$format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml';
/**
* Filters the HTML format of the search form.
*
* @since 3.6.0
*
* @param string $format The type of markup to use in the search form.
* Accepts 'html5', 'xhtml'.
*/
$format = apply_filters( 'search_form_format', $format );
$search_form_template = locate_template( 'searchform.php' );
if ( '' != $search_form_template ) {
ob_start();
require( $search_form_template );
$form = ob_get_clean();
} else {
if ( 'html5' == $format ) {
$form = '<form role="search" method="get" class="search-form" action="' . esc_url( home_url( '/' ) ) . '">
<label>
<span class="screen-reader-text">' . _x( 'Search for:', 'label' ) . '</span>
<input type="search" class="search-field" placeholder="' . esc_attr_x( 'Search &hellip;', 'placeholder' ) . '" value="' . get_search_query() . '" name="s" />
</label>
<input type="submit" class="search-submit" value="'. esc_attr_x( 'Search', 'submit button' ) .'" />
</form>';
} else {
$form = '<form role="search" method="get" id="searchform" class="searchform" action="' . esc_url( home_url( '/' ) ) . '">
<div>
<label class="screen-reader-text" for="s">' . _x( 'Search for:', 'label' ) . '</label>
<input type="text" value="' . get_search_query() . '" name="s" id="s" />
<input type="submit" id="searchsubmit" value="'. esc_attr_x( 'Search', 'submit button' ) .'" />
</div>
</form>';
}
}
/**
* Filters the HTML output of the search form.
*
* @since 2.7.0
*
* @param string $form The search form HTML output.
*/
$result = apply_filters( 'get_search_form', $form );
if ( null === $result )
$result = $form;
if ( $echo )
echo $result;
else
return $result;
}
/**
* Display the Log In/Out link.
*
* Displays a link, which allows users to navigate to the Log In page to log in
* or log out depending on whether they are currently logged in.
*
* @since 1.5.0
*
* @param string $redirect Optional path to redirect to on login/logout.
* @param bool $echo Default to echo and not return the link.
* @return string|void String when retrieving.
*/
function wp_loginout($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 ) {
/**
* Filters the HTML output for the Log In/Log Out link.
*
* @since 1.5.0
*
* @param string $link The HTML link content.
*/
echo apply_filters( 'loginout', $link );
} else {
/** This filter is documented in wp-includes/general-template.php */
return apply_filters( 'loginout', $link );
}
}
/**
* Retrieves the logout URL.
*
* Returns the URL that allows the user to log out of the site.
*
* @since 2.7.0
*
* @param string $redirect Path to redirect to on logout.
* @return string The logout URL. Note: HTML-encoded via esc_html() in wp_nonce_url().
*/
function wp_logout_url($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' );
/**
* Filters the logout URL.
*
* @since 2.8.0
*
* @param string $logout_url The HTML-encoded logout URL.
* @param string $redirect Path to redirect to on logout.
*/
return apply_filters( 'logout_url', $logout_url, $redirect );
}
/**
* Retrieves the login URL.
*
* @since 2.7.0
*
* @param string $redirect Path to redirect to on log in.
* @param bool $force_reauth Whether to force reauthorization, even if a cookie is present.
* Default false.
* @return string The login URL. Not HTML-encoded.
*/
function wp_login_url($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', $login_url);
/**
* Filters the login URL.
*
* @since 2.8.0
* @since 4.2.0 The `$force_reauth` parameter was added.
*
* @param string $login_url The login URL. Not HTML-encoded.
* @param string $redirect The path to redirect to on login, if supplied.
* @param bool $force_reauth Whether to force reauthorization, even if a cookie is present.
*/
return apply_filters( 'login_url', $login_url, $redirect, $force_reauth );
}
/**
* Returns the URL that allows the user to register on the site.
*
* @since 3.6.0
*
* @return string User registration URL.
*/
function wp_registration_url() {
/**
* Filters the user registration URL.
*
* @since 3.6.0
*
* @param string $register The user registration URL.
*/
return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) );
}
/**
* Provides a simple login form for use anywhere within WordPress.
*
* The login format HTML is echoed by default. Pass a false value for `$echo` to return it instead.
*
* @since 3.0.0
*
* @param array $args {
* Optional. Array of options to control the form output. Default empty array.
*
* @type bool $echo Whether to display the login form or return the form HTML code.
* Default true (echo).
* @type string $redirect URL to redirect to. Must be absolute, as in "https://example.com/mypage/".
* Default is to redirect back to the request URI.
* @type string $form_id ID attribute value for the form. Default 'loginform'.
* @type string $label_username Label for the username or email address field. Default 'Username or Email Address'.
* @type string $label_password Label for the password field. Default 'Password'.
* @type string $label_remember Label for the remember field. Default 'Remember Me'.
* @type string $label_log_in Label for the submit button. Default 'Log In'.
* @type string $id_username ID attribute value for the username field. Default 'user_login'.
* @type string $id_password ID attribute value for the password field. Default 'user_pass'.
* @type string $id_remember ID attribute value for the remember field. Default 'rememberme'.
* @type string $id_submit ID attribute value for the submit button. Default 'wp-submit'.
* @type bool $remember Whether to display the "rememberme" checkbox in the form.
* @type string $value_username Default value for the username field. Default empty.
* @type bool $value_remember Whether the "Remember Me" checkbox should be checked by default.
* Default false (unchecked).
*
* }
* @return string|void String when retrieving.
*/
function wp_login_form( $args = array() ) {
$defaults = array(
'echo' => true,
// Default 'redirect' value takes the user back to the request URI.
'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'],
'form_id' => 'loginform',
'label_username' => __( 'Username or Email Address' ),
'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' => '',
// Set 'value_remember' to true to default the "Remember me" checkbox to checked.
'value_remember' => false,
);
/**
* Filters the default login form output arguments.
*
* @since 3.0.0
*
* @see wp_login_form()
*
* @param array $defaults An array of default login form arguments.
*/
$args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) );
/**
* Filters content to display at the top of the login form.
*
* The filter evaluates just following the opening form tag element.
*
* @since 3.0.0
*
* @param string $content Content to display. Default empty.
* @param array $args Array of login form arguments.
*/
$login_form_top = apply_filters( 'login_form_top', '', $args );
/**
* Filters content to display in the middle of the login form.
*
* The filter evaluates just following the location where the 'login-password'
* field is displayed.
*
* @since 3.0.0
*
* @param string $content Content to display. Default empty.
* @param array $args Array of login form arguments.
*/
$login_form_middle = apply_filters( 'login_form_middle', '', $args );
/**
* Filters content to display at the bottom of the login form.
*
* The filter evaluates just preceding the closing form tag element.
*
* @since 3.0.0
*
* @param string $content Content to display. Default empty.
* @param array $args Array of login form arguments.
*/
$login_form_bottom = apply_filters( 'login_form_bottom', '', $args );
$form = '
<form name="' . $args['form_id'] . '" id="' . $args['form_id'] . '" action="' . esc_url( site_url( 'wp-login.php', 'login_post' ) ) . '" method="post">
' . $login_form_top . '
<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" />
</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" />
</p>
' . $login_form_middle . '
' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever"' . ( $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 button-primary" value="' . esc_attr( $args['label_log_in'] ) . '" />
<input type="hidden" name="redirect_to" value="' . esc_url( $args['redirect'] ) . '" />
</p>
' . $login_form_bottom . '
</form>';
if ( $args['echo'] )
echo $form;
else
return $form;
}
/**
* Returns the URL that allows the user to retrieve the lost password
*
* @since 2.8.0
*
* @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') );
/**
* Filters the Lost Password URL.
*
* @since 2.8.0
*
* @param string $lostpassword_url The lost password page URL.
* @param string $redirect The path to redirect to on login.
*/
return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect );
}
/**
* Display the Registration or Admin link.
*
* Display a link which allows the user to navigate to the registration page if
* not logged in and registration is enabled or to the dashboard if logged in.
*
* @since 1.5.0
*
* @param string $before Text to output before the link. Default `<li>`.
* @param string $after Text to output after the link. Default `</li>`.
* @param bool $echo Default to echo and not return the link.
* @return string|void String when retrieving.
*/
function wp_register( $before = '<li>', $after = '</li>', $echo = true ) {
if ( ! is_user_logged_in() ) {
if ( get_option('users_can_register') )
$link = $before . '<a href="' . esc_url( wp_registration_url() ) . '">' . __('Register') . '</a>' . $after;
else
$link = '';
} elseif ( current_user_can( 'read' ) ) {
$link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after;
} else {
$link = '';
}
/**
* Filters the HTML link to the Registration or Admin page.
*
* Users are sent to the admin page if logged-in, or the registration page
* if enabled and logged-out.
*
* @since 1.5.0
*
* @param string $link The HTML code for the link to the Registration or Admin page.
*/
$link = apply_filters( 'register', $link );
if ( $echo ) {
echo $link;
} else {
return $link;
}
}
/**
* Theme container function for the 'wp_meta' action.
*
* The {@see 'wp_meta'} action can have several purposes, depending on how you use it,
* but one purpose might have been to allow for theme switching.
*
* @since 1.5.0
*
* @link https://core.trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action.
*/
function wp_meta() {
/**
* Fires before displaying echoed content in the sidebar.
*
* @since 1.5.0
*/
do_action( 'wp_meta' );
}
/**
* Displays information about the current site.
*
* @since 0.71
*
* @see get_bloginfo() For possible `$show` values
*
* @param string $show Optional. Site information to display. Default empty.
*/
function bloginfo( $show = '' ) {
echo get_bloginfo( $show, 'display' );
}
/**
* Retrieves information about the current site.
*
* Possible values for `$show` include:
*
* - 'name' - Site title (set in Settings > General)
* - 'description' - Site tagline (set in Settings > General)
* - 'wpurl' - The WordPress address (URL) (set in Settings > General)
* - 'url' - The Site address (URL) (set in Settings > General)
* - 'admin_email' - Admin email (set in Settings > General)
* - 'charset' - The "Encoding for pages and feeds" (set in Settings > Reading)
* - 'version' - The current WordPress version
* - 'html_type' - The content-type (default: "text/html"). Themes and plugins
* can override the default value using the {@see 'pre_option_html_type'} filter
* - 'text_direction' - The text direction determined by the site's language. is_rtl()
* should be used instead
* - 'language' - Language code for the current site
* - 'stylesheet_url' - URL to the stylesheet for the active theme. An active child theme
* will take precedence over this value
* - 'stylesheet_directory' - Directory path for the active theme. An active child theme
* will take precedence over this value
* - 'template_url' / 'template_directory' - URL of the active theme's directory. An active
* child theme will NOT take precedence over this value
* - 'pingback_url' - The pingback XML-RPC file URL (xmlrpc.php)
* - 'atom_url' - The Atom feed URL (/feed/atom)
* - 'rdf_url' - The RDF/RSS 1.0 feed URL (/feed/rfd)
* - 'rss_url' - The RSS 0.92 feed URL (/feed/rss)
* - 'rss2_url' - The RSS 2.0 feed URL (/feed)
* - 'comments_atom_url' - The comments Atom feed URL (/comments/feed)
* - 'comments_rss2_url' - The comments RSS 2.0 feed URL (/comments/feed)
*
* Some `$show` values are deprecated and will be removed in future versions.
* These options will trigger the _deprecated_argument() function.
*
* Deprecated arguments include:
*
* - 'siteurl' - Use 'url' instead
* - 'home' - Use 'url' instead
*
* @since 0.71
*
* @global string $wp_version
*
* @param string $show Optional. Site info to retrieve. Default empty (site name).
* @param string $filter Optional. How to filter what is retrieved. Default 'raw'.
* @return string Mostly string values, might be empty.
*/
function get_bloginfo( $show = '', $filter = 'raw' ) {
switch( $show ) {
case 'home' : // DEPRECATED
case 'siteurl' : // DEPRECATED
_deprecated_argument( __FUNCTION__, '2.2.0', sprintf(
/* translators: 1: 'siteurl'/'home' argument, 2: bloginfo() function name, 3: 'url' argument */
__( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s option instead.' ),
'<code>' . $show . '</code>',
'<code>bloginfo()</code>',
'<code>url</code>'
) );
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':
/* translators: Translate this to the correct language tag for your locale,
* see https://www.w3.org/International/articles/language-tags/ for reference.
* Do not translate into your own language.
*/
$output = __( 'html_lang_attribute' );
if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) {
$output = get_locale();
$output = str_replace( '_', '-', $output );
}
break;
case 'text_direction':
_deprecated_argument( __FUNCTION__, '2.2.0', sprintf(
/* translators: 1: 'text_direction' argument, 2: bloginfo() function name, 3: is_rtl() function name */
__( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s function instead.' ),
'<code>' . $show . '</code>',
'<code>bloginfo()</code>',
'<code>is_rtl()</code>'
) );
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 ) {
/**
* Filters the URL returned by get_bloginfo().
*
* @since 2.0.5
*
* @param mixed $output The URL returned by bloginfo().
* @param mixed $show Type of information requested.
*/
$output = apply_filters( 'bloginfo_url', $output, $show );
} else {
/**
* Filters the site information returned by get_bloginfo().
*
* @since 0.71
*
* @param mixed $output The requested non-URL site information.
* @param mixed $show Type of information requested.
*/
$output = apply_filters( 'bloginfo', $output, $show );
}
}
return $output;
}
/**
* Returns the Site Icon URL.
*
* @since 4.3.0
*
* @param int $size Optional. Size of the site icon. Default 512 (pixels).
* @param string $url Optional. Fallback url if no site icon is found. Default empty.
* @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog.
* @return string Site Icon URL.
*/
function get_site_icon_url( $size = 512, $url = '', $blog_id = 0 ) {
$switched_blog = false;
if ( is_multisite() && ! empty( $blog_id ) && (int) $blog_id !== get_current_blog_id() ) {
switch_to_blog( $blog_id );
$switched_blog = true;
}
$site_icon_id = get_option( 'site_icon' );
if ( $site_icon_id ) {
if ( $size >= 512 ) {
$size_data = 'full';
} else {
$size_data = array( $size, $size );
}
$url = wp_get_attachment_image_url( $site_icon_id, $size_data );
}
if ( $switched_blog ) {
restore_current_blog();
}
/**
* Filters the site icon URL.
*
* @since 4.4.0
*
* @param string $url Site icon URL.
* @param int $size Size of the site icon.
* @param int $blog_id ID of the blog to get the site icon for.
*/
return apply_filters( 'get_site_icon_url', $url, $size, $blog_id );
}
/**
* Displays the Site Icon URL.
*
* @since 4.3.0
*
* @param int $size Optional. Size of the site icon. Default 512 (pixels).
* @param string $url Optional. Fallback url if no site icon is found. Default empty.
* @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog.
*/
function site_icon_url( $size = 512, $url = '', $blog_id = 0 ) {
echo esc_url( get_site_icon_url( $size, $url, $blog_id ) );
}
/**
* Whether the site has a Site Icon.
*
* @since 4.3.0
*
* @param int $blog_id Optional. ID of the blog in question. Default current blog.
* @return bool Whether the site has a site icon or not.
*/
function has_site_icon( $blog_id = 0 ) {
return (bool) get_site_icon_url( 512, '', $blog_id );
}
/**
* Determines whether the site has a custom logo.
*
* @since 4.5.0
*
* @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
* @return bool Whether the site has a custom logo or not.
*/
function has_custom_logo( $blog_id = 0 ) {
$switched_blog = false;
if ( is_multisite() && ! empty( $blog_id ) && (int) $blog_id !== get_current_blog_id() ) {
switch_to_blog( $blog_id );
$switched_blog = true;
}
$custom_logo_id = get_theme_mod( 'custom_logo' );
if ( $switched_blog ) {
restore_current_blog();
}
return (bool) $custom_logo_id;
}
/**
* Returns a custom logo, linked to home.
*
* @since 4.5.0
*
* @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
* @return string Custom logo markup.
*/
function get_custom_logo( $blog_id = 0 ) {
$html = '';
$switched_blog = false;
if ( is_multisite() && ! empty( $blog_id ) && (int) $blog_id !== get_current_blog_id() ) {
switch_to_blog( $blog_id );
$switched_blog = true;
}
$custom_logo_id = get_theme_mod( 'custom_logo' );
// We have a logo. Logo is go.
if ( $custom_logo_id ) {
$html = sprintf( '<a href="%1$s" class="custom-logo-link" rel="home" itemprop="url">%2$s</a>',
esc_url( home_url( '/' ) ),
wp_get_attachment_image( $custom_logo_id, 'full', false, array(
'class' => 'custom-logo',
'itemprop' => 'logo',
) )
);
}
// If no logo is set but we're in the Customizer, leave a placeholder (needed for the live preview).
elseif ( is_customize_preview() ) {
$html = sprintf( '<a href="%1$s" class="custom-logo-link" style="display:none;"><img class="custom-logo"/></a>',
esc_url( home_url( '/' ) )
);
}
if ( $switched_blog ) {
restore_current_blog();
}
/**
* Filters the custom logo output.
*
* @since 4.5.0
* @since 4.6.0 Added the `$blog_id` parameter.
*
* @param string $html Custom logo HTML output.
* @param int $blog_id ID of the blog to get the custom logo for.
*/
return apply_filters( 'get_custom_logo', $html, $blog_id );
}
/**
* Displays a custom logo, linked to home.
*
* @since 4.5.0
*
* @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
*/
function the_custom_logo( $blog_id = 0 ) {
echo get_custom_logo( $blog_id );
}
/**
* Returns document title for the current page.
*
* @since 4.4.0
*
* @global int $page Page number of a single post.
* @global int $paged Page number of a list of posts.
*
* @return string Tag with the document title.
*/
function wp_get_document_title() {
/**
* Filters the document title before it is generated.
*
* Passing a non-empty value will short-circuit wp_get_document_title(),
* returning that value instead.
*
* @since 4.4.0
*
* @param string $title The document title. Default empty string.
*/
$title = apply_filters( 'pre_get_document_title', '' );
if ( ! empty( $title ) ) {
return $title;
}
global $page, $paged;
$title = array(
'title' => '',
);
// If it's a 404 page, use a "Page not found" title.
if ( is_404() ) {
$title['title'] = __( 'Page not found' );
// If it's a search, use a dynamic search results title.
} elseif ( is_search() ) {
/* translators: %s: search phrase */
$title['title'] = sprintf( __( 'Search Results for &#8220;%s&#8221;' ), get_search_query() );
// If on the front page, use the site title.
} elseif ( is_front_page() ) {
$title['title'] = get_bloginfo( 'name', 'display' );
// If on a post type archive, use the post type archive title.
} elseif ( is_post_type_archive() ) {
$title['title'] = post_type_archive_title( '', false );
// If on a taxonomy archive, use the term title.
} elseif ( is_tax() ) {
$title['title'] = single_term_title( '', false );
/*
* If we're on the blog page that is not the homepage or
* a single post of any post type, use the post title.
*/
} elseif ( is_home() || is_singular() ) {
$title['title'] = single_post_title( '', false );
// If on a category or tag archive, use the term title.
} elseif ( is_category() || is_tag() ) {
$title['title'] = single_term_title( '', false );
// If on an author archive, use the author's display name.
} elseif ( is_author() && $author = get_queried_object() ) {
$title['title'] = $author->display_name;
// If it's a date archive, use the date as the title.
} elseif ( is_year() ) {
$title['title'] = get_the_date( _x( 'Y', 'yearly archives date format' ) );
} elseif ( is_month() ) {
$title['title'] = get_the_date( _x( 'F Y', 'monthly archives date format' ) );
} elseif ( is_day() ) {
$title['title'] = get_the_date();
}
// Add a page number if necessary.
if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
$title['page'] = sprintf( __( 'Page %s' ), max( $paged, $page ) );
}
// Append the description or site title to give context.
if ( is_front_page() ) {
$title['tagline'] = get_bloginfo( 'description', 'display' );
} else {
$title['site'] = get_bloginfo( 'name', 'display' );
}
/**
* Filters the separator for the document title.
*
* @since 4.4.0
*
* @param string $sep Document title separator. Default '-'.
*/
$sep = apply_filters( 'document_title_separator', '-' );
/**
* Filters the parts of the document title.
*
* @since 4.4.0
*
* @param array $title {
* The document title parts.
*
* @type string $title Title of the viewed page.
* @type string $page Optional. Page number if paginated.
* @type string $tagline Optional. Site description when on home page.
* @type string $site Optional. Site title when not on home page.
* }
*/
$title = apply_filters( 'document_title_parts', $title );
$title = implode( " $sep ", array_filter( $title ) );
$title = wptexturize( $title );
$title = convert_chars( $title );
$title = esc_html( $title );
$title = capital_P_dangit( $title );
return $title;
}
/**
* Displays title tag with content.
*
* @ignore
* @since 4.1.0
* @since 4.4.0 Improved title output replaced `wp_title()`.
* @access private
*/
function _wp_render_title_tag() {
if ( ! current_theme_supports( 'title-tag' ) ) {
return;
}
echo '<title>' . wp_get_document_title() . '</title>' . "\n";
}
/**
* 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'
* of 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 backward compatibility of themes is
* important.
*
* @since 1.0.0
*
* @global WP_Locale $wp_locale
*
* @param string $sep Optional, default is '&raquo;'. 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 = '&raquo;', $display = true, $seplocation = '' ) {
global $wp_locale;
$m = get_query_var( 'm' );
$year = get_query_var( 'year' );
$monthnum = get_query_var( 'monthnum' );
$day = get_query_var( 'day' );
$search = get_query_var( 's' );
$title = '';
$t_sep = '%WP_TITLE_SEP%'; // Temporary separator, for accurate flipping, if necessary
// If there is a post
if ( is_single() || ( is_home() && ! is_front_page() ) || ( is_page() && ! is_front_page() ) ) {
$title = single_post_title( '', false );
}
// If there's a post type archive
if ( is_post_type_archive() ) {
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_object = get_post_type_object( $post_type );
if ( ! $post_type_object->has_archive ) {
$title = post_type_archive_title( '', false );
}
}
// If there's a category or tag
if ( is_category() || is_tag() ) {
$title = single_term_title( '', false );
}
// If there's a taxonomy
if ( is_tax() ) {
$term = get_queried_object();
if ( $term ) {
$tax = get_taxonomy( $term->taxonomy );
$title = single_term_title( $tax->labels->name . $t_sep, false );
}
}
// If there's an author
if ( is_author() && ! is_post_type_archive() ) {
$author = get_queried_object();
if ( $author ) {
$title = $author->display_name;
}
}
// Post type archives with has_archive should override terms.
if ( is_post_type_archive() && $post_type_object->has_archive ) {
$title = post_type_archive_title( '', false );
}
// If there's a month
if ( is_archive() && ! empty( $m ) ) {
$my_year = substr( $m, 0, 4 );
$my_month = $wp_locale->get_month( substr( $m, 4, 2 ) );
$my_day = intval( substr( $m, 6, 2 ) );
$title = $my_year . ( $my_month ? $t_sep . $my_month : '' ) . ( $my_day ? $t_sep . $my_day : '' );
}
// If there's a year
if ( is_archive() && ! empty( $year ) ) {
$title = $year;
if ( ! empty( $monthnum ) ) {
$title .= $t_sep . $wp_locale->get_month( $monthnum );
}
if ( ! empty( $day ) ) {
$title .= $t_sep . zeroise( $day, 2 );
}
}
// If it's a search
if ( is_search() ) {
/* translators: 1: separator, 2: search phrase */
$title = sprintf( __( 'Search Results %1$s %2$s' ), $t_sep, strip_tags( $search ) );
}
// If it's a 404 page
if ( is_404() ) {
$title = __( 'Page not found' );
}
$prefix = '';
if ( ! empty( $title ) ) {
$prefix = " $sep ";
}
/**
* Filters the parts of the page title.
*
* @since 4.0.0
*
* @param array $title_array Parts of the page title.
*/
$title_array = apply_filters( 'wp_title_parts', explode( $t_sep, $title ) );
// Determines position of the separator and direction of the breadcrumb
if ( 'right' == $seplocation ) { // sep on right, so reverse the order
$title_array = array_reverse( $title_array );
$title = implode( " $sep ", $title_array ) . $prefix;
} else {
$title = $prefix . implode( " $sep ", $title_array );
}
/**
* Filters the text of the page title.
*
* @since 2.0.0
*
* @param string $title Page title.
* @param string $sep Title separator.
* @param string $seplocation Location of the separator (left or right).
*/
$title = apply_filters( 'wp_title', $title, $sep, $seplocation );
// Send it out
if ( $display ) {
echo $title;
} else {
return $title;
}
}
/**
* Display or retrieve page title for post.
*
* This is optimized for single.php template file for displaying the post title.
*
* It does not support placing the separator after the title, but by leaving the
* prefix parameter empty, you can set the title separator manually. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 0.71
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|void Title when retrieving.
*/
function single_post_title( $prefix = '', $display = true ) {
$_post = get_queried_object();
if ( !isset($_post->post_title) )
return;
/**
* Filters the page title for a single post.
*
* @since 0.71
*
* @param string $_post_title The single post page title.
* @param object $_post The current queried object as returned by get_queried_object().
*/
$title = apply_filters( 'single_post_title', $_post->post_title, $_post );
if ( $display )
echo $prefix . $title;
else
return $prefix . $title;
}
/**
* Display or retrieve title for a post type archive.
*
* This is optimized for archive.php and archive-{$post_type}.php template files
* for displaying the title of the post type.
*
* @since 3.1.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|void 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 );
/**
* Filters the post type archive title.
*
* @since 3.1.0
*
* @param string $post_type_name Post type 'name' label.
* @param string $post_type Post type.
*/
$title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type );
if ( $display )
echo $prefix . $title;
else
return $prefix . $title;
}
/**
* Display or retrieve page title for category archive.
*
* Useful for category template files for displaying the category page title.
* 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|void Title when retrieving.
*/
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. 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|void Title when retrieving.
*/
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.
* 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|void Title when retrieving.
*/
function single_term_title( $prefix = '', $display = true ) {
$term = get_queried_object();
if ( !$term )
return;
if ( is_category() ) {
/**
* Filters the category archive page title.
*
* @since 2.0.10
*
* @param string $term_name Category name for archive being displayed.
*/
$term_name = apply_filters( 'single_cat_title', $term->name );
} elseif ( is_tag() ) {
/**
* Filters the tag archive page title.
*
* @since 2.3.0
*
* @param string $term_name Tag name for archive being displayed.
*/
$term_name = apply_filters( 'single_tag_title', $term->name );
} elseif ( is_tax() ) {
/**
* Filters the custom taxonomy archive page title.
*
* @since 3.1.0
*
* @param string $term_name Term name for archive being displayed.
*/
$term_name = apply_filters( 'single_term_title', $term->name );
} else {
return;
}
if ( empty( $term_name ) )
return;
if ( $display )
echo $prefix . $term_name;
else
return $prefix . $term_name;
}
/**
* Display or retrieve page title for post archive based on date.
*
* Useful for when the template only needs to display the month and year,
* if either are available. 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
*
* @global WP_Locale $wp_locale
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|void Title when retrieving.
*/
function single_month_title($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;
}
/**
* Display the archive title based on the queried object.
*
* @since 4.1.0
*
* @see get_the_archive_title()
*
* @param string $before Optional. Content to prepend to the title. Default empty.
* @param string $after Optional. Content to append to the title. Default empty.
*/
function the_archive_title( $before = '', $after = '' ) {
$title = get_the_archive_title();
if ( ! empty( $title ) ) {
echo $before . $title . $after;
}
}
/**
* Retrieve the archive title based on the queried object.
*
* @since 4.1.0
*
* @return string Archive title.
*/
function get_the_archive_title() {
if ( is_category() ) {
/* translators: Category archive title. 1: Category name */
$title = sprintf( __( 'Category: %s' ), single_cat_title( '', false ) );
} elseif ( is_tag() ) {
/* translators: Tag archive title. 1: Tag name */
$title = sprintf( __( 'Tag: %s' ), single_tag_title( '', false ) );
} elseif ( is_author() ) {
/* translators: Author archive title. 1: Author name */
$title = sprintf( __( 'Author: %s' ), '<span class="vcard">' . get_the_author() . '</span>' );
} elseif ( is_year() ) {
/* translators: Yearly archive title. 1: Year */
$title = sprintf( __( 'Year: %s' ), get_the_date( _x( 'Y', 'yearly archives date format' ) ) );
} elseif ( is_month() ) {
/* translators: Monthly archive title. 1: Month name and year */
$title = sprintf( __( 'Month: %s' ), get_the_date( _x( 'F Y', 'monthly archives date format' ) ) );
} elseif ( is_day() ) {
/* translators: Daily archive title. 1: Date */
$title = sprintf( __( 'Day: %s' ), get_the_date( _x( 'F j, Y', 'daily archives date format' ) ) );
} elseif ( is_tax( 'post_format' ) ) {
if ( is_tax( 'post_format', 'post-format-aside' ) ) {
$title = _x( 'Asides', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) {
$title = _x( 'Galleries', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-image' ) ) {
$title = _x( 'Images', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-video' ) ) {
$title = _x( 'Videos', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-quote' ) ) {
$title = _x( 'Quotes', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-link' ) ) {
$title = _x( 'Links', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-status' ) ) {
$title = _x( 'Statuses', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-audio' ) ) {
$title = _x( 'Audio', 'post format archive title' );
} elseif ( is_tax( 'post_format', 'post-format-chat' ) ) {
$title = _x( 'Chats', 'post format archive title' );
}
} elseif ( is_post_type_archive() ) {
/* translators: Post type archive title. 1: Post type name */
$title = sprintf( __( 'Archives: %s' ), post_type_archive_title( '', false ) );
} elseif ( is_tax() ) {
$tax = get_taxonomy( get_queried_object()->taxonomy );
/* translators: Taxonomy term archive title. 1: Taxonomy singular name, 2: Current taxonomy term */
$title = sprintf( __( '%1$s: %2$s' ), $tax->labels->singular_name, single_term_title( '', false ) );
} else {
$title = __( 'Archives' );
}
/**
* Filters the archive title.
*
* @since 4.1.0
*
* @param string $title Archive title to be displayed.
*/
return apply_filters( 'get_the_archive_title', $title );
}
/**
* Display category, tag, term, or author description.
*
* @since 4.1.0
*
* @see get_the_archive_description()
*
* @param string $before Optional. Content to prepend to the description. Default empty.
* @param string $after Optional. Content to append to the description. Default empty.
*/
function the_archive_description( $before = '', $after = '' ) {
$description = get_the_archive_description();
if ( $description ) {
echo $before . $description . $after;
}
}
/**
* Retrieve category, tag, term, or author description.
*
* @since 4.1.0
* @since 4.7.0 Added support for author archives.
*
* @see term_description()
*
* @return string Archive description.
*/
function get_the_archive_description() {
if ( is_author() ) {
$description = get_the_author_meta( 'description' );
} else {
$description = term_description();
}
/**
* Filters the archive description.
*
* @since 4.1.0
*
* @param string $description Archive description to be displayed.
*/
return apply_filters( 'get_the_archive_description', $description );
}
/**
* 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. Content to prepend to the description. Default empty.
* @param string $after Optional. Content to append to the description. Default empty.
* @return string HTML link content for archive.
*/
function get_archives_link($url, $text, $format = 'html', $before = '', $after = '') {
$text = wptexturize($text);
$url = esc_url($url);
if ('link' == $format)
$link_html = "\t<link rel='archives' title='" . esc_attr( $text ) . "' href='$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='$url'>$text</a>$after</li>\n";
else // custom
$link_html = "\t$before<a href='$url'>$text</a>$after\n";
/**
* Filters the archive link content.
*
* @since 2.6.0
* @since 4.5.0 Added the `$url`, `$text`, `$format`, `$before`, and `$after` parameters.
*
* @param string $link_html The archive HTML link content.
* @param string $url URL to archive.
* @param string $text Archive text description.
* @param string $format Link format. Can be 'link', 'option', 'html', or custom.
* @param string $before Content to prepend to the description.
* @param string $after Content to append to the description.
*/
return apply_filters( 'get_archives_link', $link_html, $url, $text, $format, $before, $after );
}
/**
* Display archive links based on type and format.
*
* @since 1.2.0
* @since 4.4.0 $post_type arg was added.
*
* @see get_archives_link()
*
* @global wpdb $wpdb
* @global WP_Locale $wp_locale
*
* @param string|array $args {
* Default archive links arguments. Optional.
*
* @type string $type Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly',
* 'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha'
* display the same archive link list as well as post titles instead
* of displaying dates. The difference between the two is that 'alpha'
* will order by post title and 'postbypost' will order by post date.
* Default 'monthly'.
* @type string|int $limit Number of links to limit the query to. Default empty (no limit).
* @type string $format Format each link should take using the $before and $after args.
* Accepts 'link' (`<link>` tag), 'option' (`<option>` tag), 'html'
* (`<li>` tag), or a custom format, which generates a link anchor
* with $before preceding and $after succeeding. Default 'html'.
* @type string $before Markup to prepend to the beginning of each link. Default empty.
* @type string $after Markup to append to the end of each link. Default empty.
* @type bool $show_post_count Whether to display the post count alongside the link. Default false.
* @type bool|int $echo Whether to echo or return the links list. Default 1|true to echo.
* @type string $order Whether to use ascending or descending order. Accepts 'ASC', or 'DESC'.
* Default 'DESC'.
* @type string $post_type Post type. Default 'post'.
* }
* @return string|void String when retrieving.
*/
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',
'post_type' => 'post'
);
$r = wp_parse_args( $args, $defaults );
$post_type_object = get_post_type_object( $r['post_type'] );
if ( ! is_post_type_viewable( $post_type_object ) ) {
return;
}
$r['post_type'] = $post_type_object->name;
if ( '' == $r['type'] ) {
$r['type'] = 'monthly';
}
if ( ! empty( $r['limit'] ) ) {
$r['limit'] = absint( $r['limit'] );
$r['limit'] = ' LIMIT ' . $r['limit'];
}
$order = strtoupper( $r['order'] );
if ( $order !== 'ASC' ) {
$order = 'DESC';
}
// this is what will separate dates on weekly archive links
$archive_week_separator = '&#8211;';
$sql_where = $wpdb->prepare( "WHERE post_type = %s AND post_status = 'publish'", $r['post_type'] );
/**
* Filters the SQL WHERE clause for retrieving archives.
*
* @since 2.2.0
*
* @param string $sql_where Portion of SQL query containing the WHERE clause.
* @param array $r An array of default arguments.
*/
$where = apply_filters( 'getarchives_where', $sql_where, $r );
/**
* Filters the SQL JOIN clause for retrieving archives.
*
* @since 2.2.0
*
* @param string $sql_join Portion of SQL query containing JOIN clause.
* @param array $r An array of default arguments.
*/
$join = apply_filters( 'getarchives_join', '', $r );
$output = '';
$last_changed = wp_cache_get_last_changed( 'posts' );
$limit = $r['limit'];
if ( 'monthly' == $r['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 ) {
$after = $r['after'];
foreach ( (array) $results as $result ) {
$url = get_month_link( $result->year, $result->month );
if ( 'post' !== $r['post_type'] ) {
$url = add_query_arg( 'post_type', $r['post_type'], $url );
}
/* translators: 1: month name, 2: 4-digit year */
$text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year );
if ( $r['show_post_count'] ) {
$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
}
$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
}
}
} elseif ( 'yearly' == $r['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 ) {
$after = $r['after'];
foreach ( (array) $results as $result) {
$url = get_year_link( $result->year );
if ( 'post' !== $r['post_type'] ) {
$url = add_query_arg( 'post_type', $r['post_type'], $url );
}
$text = sprintf( '%d', $result->year );
if ( $r['show_post_count'] ) {
$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
}
$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
}
}
} elseif ( 'daily' == $r['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 );
wp_cache_set( $key, $results, 'posts' );
}
if ( $results ) {
$after = $r['after'];
foreach ( (array) $results as $result ) {
$url = get_day_link( $result->year, $result->month, $result->dayofmonth );
if ( 'post' !== $r['post_type'] ) {
$url = add_query_arg( 'post_type', $r['post_type'], $url );
}
$date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth );
$text = mysql2date( get_option( 'date_format' ), $date );
if ( $r['show_post_count'] ) {
$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
}
$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
}
}
} elseif ( 'weekly' == $r['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 = '';
if ( $results ) {
$after = $r['after'];
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( get_option( 'date_format' ), $arc_week['start'] );
$arc_week_end = date_i18n( get_option( 'date_format' ), $arc_week['end'] );
$url = add_query_arg( array( 'm' => $arc_year, 'w' => $result->week, ), home_url( '/' ) );
if ( 'post' !== $r['post_type'] ) {
$url = add_query_arg( 'post_type', $r['post_type'], $url );
}
$text = $arc_week_start . $archive_week_separator . $arc_week_end;
if ( $r['show_post_count'] ) {
$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
}
$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
}
}
}
} elseif ( ( 'postbypost' == $r['type'] ) || ('alpha' == $r['type'] ) ) {
$orderby = ( 'alpha' == $r['type'] ) ? 'post_title ASC ' : 'post_date DESC, ID 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, $r['format'], $r['before'], $r['after'] );
}
}
}
}
if ( $r['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
*
* @global wpdb $wpdb
* @global int $m
* @global int $monthnum
* @global int $year
* @global WP_Locale $wp_locale
* @global array $posts
*
* @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|void String when retrieving.
*/
function get_calendar( $initial = true, $echo = true ) {
global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
$key = md5( $m . $monthnum . $year );
$cache = wp_cache_get( 'get_calendar', 'calendar' );
if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) {
/** This filter is documented in wp-includes/general-template.php */
$output = apply_filters( 'get_calendar', $cache[ $key ] );
if ( $echo ) {
echo $output;
return;
}
return $output;
}
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 = (int) $_GET['w'];
}
// week_begins = 0 stands for Sunday
$week_begins = (int) get_option( 'start_of_week' );
$ts = current_time( 'timestamp' );
// Let's figure out when we are
if ( ! empty( $monthnum ) && ! empty( $year ) ) {
$thismonth = zeroise( intval( $monthnum ), 2 );
$thisyear = (int) $year;
} elseif ( ! empty( $w ) ) {
// We need to get the month from MySQL
$thisyear = (int) substr( $m, 0, 4 );
//it seems MySQL's weeks disagree with PHP's
$d = ( ( $w - 1 ) * 7 ) + 6;
$thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')");
} elseif ( ! empty( $m ) ) {
$thisyear = (int) substr( $m, 0, 4 );
if ( strlen( $m ) < 6 ) {
$thismonth = '01';
} else {
$thismonth = zeroise( (int) substr( $m, 4, 2 ), 2 );
}
} else {
$thisyear = gmdate( 'Y', $ts );
$thismonth = gmdate( 'm', $ts );
}
$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 = $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 ) . '">&laquo; ' .
$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">&nbsp;</td>';
}
$calendar_output .= "\n\t\t".'<td class="pad">&nbsp;</td>';
if ( $next ) {
$calendar_output .= "\n\t\t".'<td colspan="3" id="next"><a href="' . get_month_link( $next->year, $next->month ) . '">' .
$wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) .
' &raquo;</a></td>';
} else {
$calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad">&nbsp;</td>';
}
$calendar_output .= '
</tr>
</tfoot>
<tbody>
<tr>';
$daywithpost = array();
// 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];
}
}
// 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">&nbsp;</td>';
}
$newrow = false;
$daysinmonth = (int) 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', $ts ) &&
$thismonth == gmdate( 'm', $ts ) &&
$thisyear == gmdate( 'Y', $ts ) ) {
$calendar_output .= '<td id="today">';
} else {
$calendar_output .= '<td>';
}
if ( in_array( $day, $daywithpost ) ) {
// any posts today?
$date_format = date( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) );
/* translators: Post calendar label. 1: Date */
$label = sprintf( __( 'Posts published on %s' ), $date_format );
$calendar_output .= sprintf(
'<a href="%s" aria-label="%s">%s</a>',
get_day_link( $thisyear, $thismonth, $day ),
esc_attr( $label ),
$day
);
} 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 ) .'">&nbsp;</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 ) {
/**
* Filters the HTML calendar output.
*
* @since 3.0.0
*
* @param string $calendar_output HTML output of the calendar.
*/
echo apply_filters( 'get_calendar', $calendar_output );
return;
}
/** This filter is documented in wp-includes/general-template.php */
return apply_filters( 'get_calendar', $calendar_output );
}
/**
* Purge the cached results of get_calendar.
*
* @see get_calendar
* @since 2.1.0
*/
function delete_get_calendar_cache() {
wp_cache_delete( 'get_calendar', 'calendar' );
}
/**
* 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
*
* @global array $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
*
* @global string|int|bool $currentday
* @global string|int|bool $previousday
*
* @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|void String if retrieving.
*/
function the_date( $d = '', $before = '', $after = '', $echo = true ) {
global $currentday, $previousday;
if ( is_new_day() ) {
$the_date = $before . get_the_date( $d ) . $after;
$previousday = $currentday;
/**
* Filters the date a post was published for display.
*
* @since 0.71
*
* @param string $the_date The formatted date string.
* @param string $d PHP date format. Defaults to 'date_format' option
* if not specified.
* @param string $before HTML output before the date.
* @param string $after HTML output after the date.
*/
$the_date = apply_filters( 'the_date', $the_date, $d, $before, $after );
if ( $echo )
echo $the_date;
else
return $the_date;
}
}
/**
* Retrieve the date on which the post was written.
*
* Unlike the_date() this function will always return the date.
* Modify output with the {@see 'get_the_date'} filter.
*
* @since 3.0.0
*
* @param string $d Optional. PHP date format defaults to the date_format option if not specified.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
* @return false|string Date the current post was written. False on failure.
*/
function get_the_date( $d = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
if ( '' == $d ) {
$the_date = mysql2date( get_option( 'date_format' ), $post->post_date );
} else {
$the_date = mysql2date( $d, $post->post_date );
}
/**
* Filters the date a post was published.
*
* @since 3.0.0
*
* @param string $the_date The formatted date.
* @param string $d PHP date format. Defaults to 'date_format' option
* if not specified.
* @param int|WP_Post $post The post object or ID.
*/
return apply_filters( 'get_the_date', $the_date, $d, $post );
}
/**
* Display the date on which the post was last modified.
*
* @since 2.1.0
*
* @param string $d Optional. PHP date format defaults to the date_format option if not specified.
* @param string $before Optional. Output before the date.
* @param string $after Optional. Output after the date.
* @param bool $echo Optional, default is display. Whether to echo the date or return it.
* @return string|void String if retrieving.
*/
function the_modified_date( $d = '', $before = '', $after = '', $echo = true ) {
$the_modified_date = $before . get_the_modified_date($d) . $after;
/**
* Filters the date a post was last modified for display.
*
* @since 2.1.0
*
* @param string $the_modified_date The last modified date.
* @param string $d PHP date format. Defaults to 'date_format' option
* if not specified.
* @param string $before HTML output before the date.
* @param string $after HTML output after the date.
*/
$the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $d, $before, $after );
if ( $echo )
echo $the_modified_date;
else
return $the_modified_date;
}
/**
* Retrieve the date on which the post was last modified.
*
* @since 2.1.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string $d Optional. PHP date format defaults to the date_format option if not specified.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
* @return false|string Date the current post was modified. False on failure.
*/
function get_the_modified_date( $d = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
// For backward compatibility, failures go through the filter below.
$the_time = false;
} elseif ( empty( $d ) ) {
$the_time = get_post_modified_time( get_option( 'date_format' ), false, $post, true );
} else {
$the_time = get_post_modified_time( $d, false, $post, true );
}
/**
* Filters the date a post was last modified.
*
* @since 2.1.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string $the_time The formatted date.
* @param string $d PHP date format. Defaults to value specified in
* 'date_format' option.
* @param WP_Post $post WP_Post object.
*/
return apply_filters( 'get_the_modified_date', $the_time, $d, $post );
}
/**
* 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 = '' ) {
/**
* Filters the time a post was written for display.
*
* @since 0.71
*
* @param string $get_the_time The formatted time.
* @param string $d The time format. Accepts 'G', 'U',
* or php date format.
*/
echo apply_filters( 'the_time', get_the_time( $d ), $d );
}
/**
* Retrieve the time at which the post was written.
*
* @since 1.5.0
*
* @param string $d Optional. Format to use for retrieving the time the post
* was written. Either 'G', 'U', or php date format defaults
* to the value specified in the time_format option. Default empty.
* @param int|WP_Post $post WP_Post object or ID. Default is global $post object.
* @return string|int|false Formatted date string or Unix timestamp if `$id` is 'U' or 'G'. False on failure.
*/
function get_the_time( $d = '', $post = null ) {
$post = get_post($post);
if ( ! $post ) {
return false;
}
if ( '' == $d )
$the_time = get_post_time(get_option('time_format'), false, $post, true);
else
$the_time = get_post_time($d, false, $post, true);
/**
* Filters the time a post was written.
*
* @since 1.5.0
*
* @param string $the_time The formatted time.
* @param string $d Format to use for retrieving the time the post was written.
* Accepts 'G', 'U', or php date format value specified
* in 'time_format' option. Default empty.
* @param int|WP_Post $post WP_Post object or ID.
*/
return apply_filters( 'get_the_time', $the_time, $d, $post );
}
/**
* Retrieve the time at which the post was written.
*
* @since 2.0.0
*
* @param string $d Optional. Format to use for retrieving the time the post
* was written. Either 'G', 'U', or php date format. Default 'U'.
* @param bool $gmt Optional. Whether to retrieve the GMT time. Default false.
* @param int|WP_Post $post WP_Post object or ID. Default is global $post object.
* @param bool $translate Whether to translate the time string. Default false.
* @return string|int|false Formatted date string or Unix timestamp if `$id` is 'U' or 'G'. False on failure.
*/
function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
$post = get_post($post);
if ( ! $post ) {
return false;
}
if ( $gmt )
$time = $post->post_date_gmt;
else
$time = $post->post_date;
$time = mysql2date($d, $time, $translate);
/**
* Filters the localized time a post was written.
*
* @since 2.6.0
*
* @param string $time The formatted time.
* @param string $d Format to use for retrieving the time the post was written.
* Accepts 'G', 'U', or php date format. Default 'U'.
* @param bool $gmt Whether to retrieve the GMT time. Default false.
*/
return apply_filters( 'get_post_time', $time, $d, $gmt );
}
/**
* Display the time at which the post was last modified.
*
* @since 2.0.0
*
* @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option.
*/
function the_modified_time($d = '') {
/**
* Filters the localized time a post was last modified, for display.
*
* @since 2.0.0
*
* @param string $get_the_modified_time The formatted time.
* @param string $d The time format. Accepts 'G', 'U',
* or php date format. Defaults to value
* specified in 'time_format' option.
*/
echo apply_filters( 'the_modified_time', get_the_modified_time($d), $d );
}
/**
* Retrieve the time at which the post was last modified.
*
* @since 2.0.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string $d Optional. Format to use for retrieving the time the post
* was modified. Either 'G', 'U', or php date format defaults
* to the value specified in the time_format option. Default empty.
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
* @return false|string Formatted date string or Unix timestamp. False on failure.
*/
function get_the_modified_time( $d = '', $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
// For backward compatibility, failures go through the filter below.
$the_time = false;
} elseif ( empty( $d ) ) {
$the_time = get_post_modified_time( get_option( 'time_format' ), false, $post, true );
} else {
$the_time = get_post_modified_time( $d, false, $post, true );
}
/**
* Filters the localized time a post was last modified.
*
* @since 2.0.0
* @since 4.6.0 Added the `$post` parameter.
*
* @param string $the_time The formatted time.
* @param string $d Format to use for retrieving the time the post was
* written. Accepts 'G', 'U', or php date format. Defaults
* to value specified in 'time_format' option.
* @param WP_Post $post WP_Post object.
*/
return apply_filters( 'get_the_modified_time', $the_time, $d, $post );
}
/**
* Retrieve the time at which the post was last modified.
*
* @since 2.0.0
*
* @param string $d Optional. Format to use for retrieving the time the post
* was modified. Either 'G', 'U', or php date format. Default 'U'.
* @param bool $gmt Optional. Whether to retrieve the GMT time. Default false.
* @param int|WP_Post $post WP_Post object or ID. Default is global $post object.
* @param bool $translate Whether to translate the time string. Default false.
* @return string|int|false Formatted date string or Unix timestamp if `$id` is 'U' or 'G'. False on failure.
*/
function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
$post = get_post($post);
if ( ! $post ) {
return false;
}
if ( $gmt )
$time = $post->post_modified_gmt;
else
$time = $post->post_modified;
$time = mysql2date($d, $time, $translate);
/**
* Filters the localized time a post was last modified.
*
* @since 2.8.0
*
* @param string $time The formatted time.
* @param string $d The date format. Accepts 'G', 'U', or php date format. Default 'U'.
* @param bool $gmt Whether to return the GMT time. Default false.
*/
return apply_filters( 'get_post_modified_time', $time, $d, $gmt );
}
/**
* Display the weekday on which the post was written.
*
* @since 0.71
*
* @global WP_Locale $wp_locale
*/
function the_weekday() {
global $wp_locale;
$the_weekday = $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) );
/**
* Filters the weekday on which the post was written, for display.
*
* @since 0.71
*
* @param string $the_weekday
*/
echo apply_filters( 'the_weekday', $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
*
* @global WP_Locale $wp_locale
* @global string|int|bool $currentday
* @global string|int|bool $previousweekday
*
* @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;
}
/**
* Filters the localized date on which the post was written, for display.
*
* @since 0.71
*
* @param string $the_weekday_date
* @param string $before The HTML to output before the date.
* @param string $after The HTML to output after the date.
*/
$the_weekday_date = apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after );
echo $the_weekday_date;
}
/**
* Fire the wp_head action.
*
* See {@see 'wp_head'}.
*
* @since 1.2.0
*/
function wp_head() {
/**
* Prints scripts or data in the head tag on the front end.
*
* @since 1.5.0
*/
do_action( 'wp_head' );
}
/**
* Fire the wp_footer action.
*
* See {@see 'wp_footer'}.
*
* @since 1.5.1
*/
function wp_footer() {
/**
* Prints scripts or data before the closing body tag on the front end.
*
* @since 1.5.1
*/
do_action( 'wp_footer' );
}
/**
* Display the links to the general feeds.
*
* @since 2.8.0
*
* @param array $args Optional arguments.
*/
function feed_links( $args = array() ) {
if ( !current_theme_supports('automatic-feed-links') )
return;
$defaults = array(
/* translators: Separator between blog name and feed type in feed links */
'separator' => _x('&raquo;', 'feed link'),
/* translators: 1: blog title, 2: separator (raquo) */
'feedtitle' => __('%1$s %2$s Feed'),
/* translators: 1: blog title, 2: separator (raquo) */
'comstitle' => __('%1$s %2$s Comments Feed'),
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters whether to display the posts feed link.
*
* @since 4.4.0
*
* @param bool $show Whether to display the posts feed link. Default true.
*/
if ( apply_filters( 'feed_links_show_posts_feed', true ) ) {
echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link() ) . "\" />\n";
}
/**
* Filters whether to display the comments feed link.
*
* @since 4.4.0
*
* @param bool $show Whether to display the comments feed link. Default true.
*/
if ( apply_filters( 'feed_links_show_comments_feed', true ) ) {
echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['comstitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link( 'comments_' . get_default_feed() ) ) . "\" />\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() ) {
$defaults = array(
/* translators: Separator between blog name and feed type in feed links */
'separator' => _x('&raquo;', 'feed link'),
/* translators: 1: blog name, 2: separator(raquo), 3: post title */
'singletitle' => __('%1$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: term name, 4: taxonomy singular name */
'taxtitle' => __('%1$s %2$s %3$s %4$s 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$s Search Results for &#8220;%3$s&#8221; Feed'),
/* translators: 1: blog name, 2: separator(raquo), 3: post type name */
'posttypetitle' => __('%1$s %2$s %3$s Feed'),
);
$args = wp_parse_args( $args, $defaults );
if ( is_singular() ) {
$id = 0;
$post = get_post( $id );
if ( comments_open() || pings_open() || $post->comment_count > 0 ) {
$title = sprintf( $args['singletitle'], get_bloginfo('name'), $args['separator'], the_title_attribute( array( 'echo' => false ) ) );
$href = get_post_comments_feed_link( $post->ID );
}
} elseif ( is_post_type_archive() ) {
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$post_type_obj = get_post_type_object( $post_type );
$title = sprintf( $args['posttypetitle'], get_bloginfo( 'name' ), $args['separator'], $post_type_obj->labels->name );
$href = get_post_type_archive_feed_link( $post_type_obj->name );
} elseif ( is_category() ) {
$term = get_queried_object();
if ( $term ) {
$title = sprintf( $args['cattitle'], get_bloginfo('name'), $args['separator'], $term->name );
$href = get_category_feed_link( $term->term_id );
}
} elseif ( is_tag() ) {
$term = get_queried_object();
if ( $term ) {
$title = sprintf( $args['tagtitle'], get_bloginfo('name'), $args['separator'], $term->name );
$href = get_tag_feed_link( $term->term_id );
}
} elseif ( is_tax() ) {
$term = get_queried_object();
$tax = get_taxonomy( $term->taxonomy );
$title = sprintf( $args['taxtitle'], get_bloginfo('name'), $args['separator'], $term->name, $tax->labels->singular_name );
$href = get_term_feed_link( $term->term_id, $term->taxonomy );
} 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 '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( $title ) . '" href="' . esc_url( $href ) . '" />' . "\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 '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) ) . '" />' . "\n";
}
/**
* Display the link to the Windows Live Writer manifest file.
*
* @link https://msdn.microsoft.com/en-us/library/bb463265.aspx
* @since 2.3.1
*/
function wlwmanifest_link() {
echo '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="',
includes_url( 'wlwmanifest.xml' ), '" /> ', "\n";
}
/**
* Displays 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
* {@see 'wp_head'} action.
*
* Typical usage is as a {@see '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 "<meta name='robots' content='noindex,follow' />\n";
}
/**
* Display site icon meta tags.
*
* @since 4.3.0
*
* @link https://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon HTML5 specification link icon.
*/
function wp_site_icon() {
if ( ! has_site_icon() && ! is_customize_preview() ) {
return;
}
$meta_tags = array();
$icon_32 = get_site_icon_url( 32 );
if ( empty( $icon_32 ) && is_customize_preview() ) {
$icon_32 = '/favicon.ico'; // Serve default favicon URL in customizer so element can be updated for preview.
}
if ( $icon_32 ) {
$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( $icon_32 ) );
}
$icon_192 = get_site_icon_url( 192 );
if ( $icon_192 ) {
$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( $icon_192 ) );
}
$icon_180 = get_site_icon_url( 180 );
if ( $icon_180 ) {
$meta_tags[] = sprintf( '<link rel="apple-touch-icon-precomposed" href="%s" />', esc_url( $icon_180 ) );
}
$icon_270 = get_site_icon_url( 270 );
if ( $icon_270 ) {
$meta_tags[] = sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( $icon_270 ) );
}
/**
* Filters the site icon meta tags, so Plugins can add their own.
*
* @since 4.3.0
*
* @param array $meta_tags Site Icon meta elements.
*/
$meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags );
$meta_tags = array_filter( $meta_tags );
foreach ( $meta_tags as $meta_tag ) {
echo "$meta_tag\n";
}
}
/**
* Prints resource hints to browsers for pre-fetching, pre-rendering
* and pre-connecting to web sites.
*
* Gives hints to browsers to prefetch specific pages or render them
* in the background, to perform DNS lookups or to begin the connection
* handshake (DNS, TCP, TLS) in the background.
*
* These performance improving indicators work by using `<link rel"…">`.
*
* @since 4.6.0
*/
function wp_resource_hints() {
$hints = array(
'dns-prefetch' => wp_dependencies_unique_hosts(),
'preconnect' => array(),
'prefetch' => array(),
'prerender' => array(),
);
/*
* Add DNS prefetch for the Emoji CDN.
* The path is removed in the foreach loop below.
*/
/** This filter is documented in wp-includes/formatting.php */
$hints['dns-prefetch'][] = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2.2.1/svg/' );
foreach ( $hints as $relation_type => $urls ) {
$unique_urls = array();
/**
* Filters domains and URLs for resource hints of relation type.
*
* @since 4.6.0
*
* @param array $urls URLs to print for resource hints.
* @param string $relation_type The relation type the URLs are printed for, e.g. 'preconnect' or 'prerender'.
*/
$urls = apply_filters( 'wp_resource_hints', $urls, $relation_type );
foreach ( $urls as $key => $url ) {
$atts = array();
if ( is_array( $url ) ) {
if ( isset( $url['href'] ) ) {
$atts = $url;
$url = $url['href'];
} else {
continue;
}
}
$url = esc_url( $url, array( 'http', 'https' ) );
if ( ! $url ) {
continue;
}
if ( isset( $unique_urls[ $url ] ) ) {
continue;
}
if ( in_array( $relation_type, array( 'preconnect', 'dns-prefetch' ) ) ) {
$parsed = wp_parse_url( $url );
if ( empty( $parsed['host'] ) ) {
continue;
}
if ( 'preconnect' === $relation_type && ! empty( $parsed['scheme'] ) ) {
$url = $parsed['scheme'] . '://' . $parsed['host'];
} else {
// Use protocol-relative URLs for dns-prefetch or if scheme is missing.
$url = '//' . $parsed['</