$echo,
'aria_label' => '',
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters the array of arguments used when generating the search form.
*
* @since 5.2.0
*
* @param array $args The array of arguments for building the search form.
*/
$args = apply_filters( 'search_form_args', $args );
$format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml';
/**
* Filters the HTML format of the search form.
*
* @since 3.6.0
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $format The type of markup to use in the search form.
* Accepts 'html5', 'xhtml'.
* @param array $args The array of arguments for building the search form.
*/
$format = apply_filters( 'search_form_format', $format, $args );
$search_form_template = locate_template( 'searchform.php' );
if ( '' !== $search_form_template ) {
ob_start();
require $search_form_template;
$form = ob_get_clean();
} else {
// Build a string containing an aria-label to use for the search form.
if ( isset( $args['aria_label'] ) && $args['aria_label'] ) {
$aria_label = 'aria-label="' . esc_attr( $args['aria_label'] ) . '" ';
} else {
/*
* If there's no custom aria-label, we can set a default here. At the
* moment it's empty as there's uncertainty about what the default should be.
*/
$aria_label = '';
}
if ( 'html5' === $format ) {
$form = '
';
} else {
$form = '';
}
}
/**
* Filters the HTML output of the search form.
*
* @since 2.7.0
* @since 5.5.0 The `$args` parameter was added.
*
* @param string $form The search form HTML output.
* @param array $args The array of arguments for building the search form.
*/
$result = apply_filters( 'get_search_form', $form, $args );
if ( null === $result ) {
$result = $form;
}
if ( $args['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 $echo Default to echo and not return the link.
* @return void|string Void if `$echo` argument is true, log in/out link if `$echo` is false.
*/
function wp_loginout( $redirect = '', $echo = true ) {
if ( ! is_user_logged_in() ) {
$link = '' . __( 'Log in' ) . '';
} else {
$link = '' . __( 'Log out' ) . '';
}
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();
if ( ! empty( $redirect ) ) {
$args['redirect_to'] = urlencode( $redirect );
}
$logout_url = add_query_arg( $args, site_url( 'wp-login.php?action=logout', '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 $register The user registration URL.
*/
return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) );
}
/**
* Provides a simple login form for use anywhere within WordPress.
*
* The login form HTML is echoed by default. Pass a false value for `$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 void|string Void if 'echo' argument is true, login form HTML if 'echo' is false.
*/
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 = '
';
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'] = urlencode( $redirect );
}
if ( is_multisite() ) {
$blog_details = get_blog_details();
$wp_login_path = $blog_details->path . 'wp-login.php';
} else {
$wp_login_path = 'wp-login.php';
}
$lostpassword_url = add_query_arg( $args, network_site_url( $wp_login_path, '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 `
`.
* @param string $after Text to output after the link. Default `
`.
* @param bool $echo Default to echo and not return the link.
* @return void|string Void if `$echo` argument is true, registration or admin link
* if `$echo` is false.
*/
function wp_register( $before = '
', $after = '
', $echo = true ) {
if ( ! is_user_logged_in() ) {
if ( get_option( 'users_can_register' ) ) {
$link = $before . '' . __( 'Register' ) . '' . $after;
} else {
$link = '';
}
} elseif ( current_user_can( 'read' ) ) {
$link = $before . '' . __( 'Site Admin' ) . '' . $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/rdf)
* - '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 The WordPress version string.
*
* @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.' ),
'' . $show . '',
'bloginfo()',
'url'
)
);
// Intentional fall-through to be handled by the 'url' case.
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 = determine_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.' ),
'' . $show . '',
'bloginfo()',
'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 ) {
/**
* Filters the URL returned by get_bloginfo().
*
* @since 2.0.5
*
* @param string $output The URL returned by bloginfo().
* @param string $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 string $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 ) && get_current_blog_id() !== (int) $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 ) && get_current_blog_id() !== (int) $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 when on another page.
*
* @since 4.5.0
* @since 5.5.0 Removed the link on the home page.
*
* @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 ) && get_current_blog_id() !== (int) $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 ) {
$custom_logo_attr = array(
'class' => 'custom-logo',
);
$unlink_homepage_logo = (bool) get_theme_support( 'custom-logo', 'unlink-homepage-logo' );
if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) {
/*
* If on the home page, set the logo alt attribute to an empty string,
* as the image is decorative and doesn't need its purpose to be described.
*/
$custom_logo_attr['alt'] = '';
} else {
/*
* If the logo alt attribute is empty, get the site title and explicitly pass it
* to the attributes used by wp_get_attachment_image().
*/
$image_alt = get_post_meta( $custom_logo_id, '_wp_attachment_image_alt', true );
if ( empty( $image_alt ) ) {
$custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' );
}
}
/**
* Filters the list of custom logo image attributes.
*
* @since 5.5.0
*
* @param array $custom_logo_attr Custom logo image attributes.
* @param int $custom_logo_id Custom logo attachment ID.
* @param int $blog_id ID of the blog to get the custom logo for.
*/
$custom_logo_attr = apply_filters( 'get_custom_logo_image_attributes', $custom_logo_attr, $custom_logo_id, $blog_id );
/*
* If the alt attribute is not empty, there's no need to explicitly pass it
* because wp_get_attachment_image() already adds the alt attribute.
*/
$image = wp_get_attachment_image( $custom_logo_id, 'full', false, $custom_logo_attr );
if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) {
// If on the home page, don't link the logo to home.
$html = sprintf(
'%1$s',
$image
);
} else {
$aria_current = is_front_page() && ! is_paged() ? ' aria-current="page"' : '';
$html = sprintf(
'%3$s',
esc_url( home_url( '/' ) ),
$aria_current,
$image
);
}
} elseif ( is_customize_preview() ) {
// If no logo is set but we're in the Customizer, leave a placeholder (needed for the live preview).
$html = sprintf(
'',
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 when on another page.
*
* @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 query. */
$title['title'] = sprintf( __( 'Search Results for “%s”' ), 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() && get_queried_object() ) {
$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() ) {
/* translators: %s: Page number. */
$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 '' . wp_get_document_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 WordPress date and time locale object.
*
* @param string $sep Optional. How to separate the various items within the page title.
* Default '»'.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @param string $seplocation Optional. Location of the separator ('left' or 'right').
* @return string|null String on retrieve, null when displaying.
*/
function wp_title( $sep = '»', $display = true, $seplocation = '' ) {
global $wp_locale;
$m = get_query_var( 'm' );
$year = get_query_var( 'year' );
$monthnum = get_query_var( 'monthnum' );
$day = get_query_var( 'day' );
$search = get_query_var( 's' );
$title = '';
$t_sep = '%WP_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 query. */
$title = sprintf( __( 'Search Results %1$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 string[] $title_array Array of 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 ) { // Separator 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. Whether to display or retrieve title. Default true.
* @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 WP_Post $_post The current post.
*/
$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. Whether to display or retrieve title. Default true.
* @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. Whether to display or retrieve title. Default true.
* @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. Whether to display or retrieve title. Default true.
* @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. Whether to display or retrieve title. Default true.
* @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 WordPress date and time locale object.
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional. Whether to display or retrieve title. Default true.
* @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() {
$title = __( 'Archives' );
$prefix = '';
if ( is_category() ) {
$title = single_cat_title( '', false );
$prefix = _x( 'Category:', 'category archive title prefix' );
} elseif ( is_tag() ) {
$title = single_tag_title( '', false );
$prefix = _x( 'Tag:', 'tag archive title prefix' );
} elseif ( is_author() ) {
$title = get_the_author();
$prefix = _x( 'Author:', 'author archive title prefix' );
} elseif ( is_year() ) {
$title = get_the_date( _x( 'Y', 'yearly archives date format' ) );
$prefix = _x( 'Year:', 'date archive title prefix' );
} elseif ( is_month() ) {
$title = get_the_date( _x( 'F Y', 'monthly archives date format' ) );
$prefix = _x( 'Month:', 'date archive title prefix' );
} elseif ( is_day() ) {
$title = get_the_date( _x( 'F j, Y', 'daily archives date format' ) );
$prefix = _x( 'Day:', 'date archive title prefix' );
} 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() ) {
$title = post_type_archive_title( '', false );
$prefix = _x( 'Archives:', 'post type archive title prefix' );
} elseif ( is_tax() ) {
$queried_object = get_queried_object();
if ( $queried_object ) {
$tax = get_taxonomy( $queried_object->taxonomy );
$title = single_term_title( '', false );
$prefix = sprintf(
/* translators: %s: Taxonomy singular name. */
_x( '%s:', 'taxonomy term archive title prefix' ),
$tax->labels->singular_name
);
}
}
$original_title = $title;
/**
* Filters the archive title prefix.
*
* @since 5.5.0
*
* @param string $prefix Archive title prefix.
*/
$prefix = apply_filters( 'get_the_archive_title_prefix', $prefix );
if ( $prefix ) {
$title = sprintf(
/* translators: 1: Title prefix. 2: Title. */
_x( '%1$s %2$s', 'archive title' ),
$prefix,
'' . $title . ''
);
}
/**
* Filters the archive title.
*
* @since 4.1.0
* @since 5.5.0 Added the `$prefix` and `$original_title` parameters.
*
* @param string $title Archive title to be displayed.
* @param string $original_title Archive title without prefix.
* @param string $prefix Archive title prefix.
*/
return apply_filters( 'get_the_archive_title', $title, $original_title, $prefix );
}
/**
* 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;
}
}
/**
* Retrieves the description for an author, post type, or term archive.
*
* @since 4.1.0
* @since 4.7.0 Added support for author archives.
* @since 4.9.0 Added support for post type archives.
*
* @see term_description()
*
* @return string Archive description.
*/
function get_the_archive_description() {
if ( is_author() ) {
$description = get_the_author_meta( 'description' );
} elseif ( is_post_type_archive() ) {
$description = get_the_post_type_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 );
}
/**
* Retrieves the description for a post type archive.
*
* @since 4.9.0
*
* @return string The post type description.
*/
function get_the_post_type_description() {
$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 );
// Check if a description is set.
if ( isset( $post_type_obj->description ) ) {
$description = $post_type_obj->description;
} else {
$description = '';
}
/**
* Filters the description for a post type archive.
*
* @since 4.9.0
*
* @param string $description The post type description.
* @param WP_Post_Type $post_type_obj The post type object.
*/
return apply_filters( 'get_the_post_type_description', $description, $post_type_obj );
}
/**
* Retrieve archive link content based on predefined or custom code.
*
* The format can be one of four styles. The 'link' for head element, 'option'
* for use in the select element, 'html' for use in list (either ol or ul HTML
* elements). Custom content is also supported using the before and after
* parameters.
*
* The 'link' format uses the `` HTML element with the **archives**
* relationship. The before and after parameters are not used. The text
* parameter is used to describe the link.
*
* The 'option' format uses the option HTML element for use in select element.
* The value is the url parameter and the before and after parameters are used
* between the text description.
*
* The 'html' format, which is the default, uses the li HTML element for use in
* the list HTML elements. The before parameter is before the link and the after
* parameter is after the closing link.
*
* The custom format uses the before parameter before the link ('a' HTML
* element) and the after parameter after the closing link tag. If the above
* three values for the format are not used, then custom format is assumed.
*
* @since 1.0.0
* @since 5.2.0 Added the `$selected` parameter.
*
* @param string $url URL to archive.
* @param string $text Archive text description.
* @param string $format Optional. Can be 'link', 'option', 'html', or custom. Default 'html'.
* @param string $before Optional. Content to prepend to the description. Default empty.
* @param string $after Optional. Content to append to the description. Default empty.
* @param bool $selected Optional. Set to true if the current page is the selected archive page.
* @return string HTML link content for archive.
*/
function get_archives_link( $url, $text, $format = 'html', $before = '', $after = '', $selected = false ) {
$text = wptexturize( $text );
$url = esc_url( $url );
$aria_current = $selected ? ' aria-current="page"' : '';
if ( 'link' === $format ) {
$link_html = "\t\n";
} elseif ( 'option' === $format ) {
$selected_attr = $selected ? " selected='selected'" : '';
$link_html = "\t\n";
} elseif ( 'html' === $format ) {
$link_html = "\t
\n";
} else { // Custom.
$link_html = "\t$before$text$after\n";
}
/**
* Filters the archive link content.
*
* @since 2.6.0
* @since 4.5.0 Added the `$url`, `$text`, `$format`, `$before`, and `$after` parameters.
* @since 5.2.0 Added the `$selected` parameter.
*
* @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.
* @param bool $selected True if the current page is the selected archive.
*/
return apply_filters( 'get_archives_link', $link_html, $url, $text, $format, $before, $after, $selected );
}
/**
* Display archive links based on type and format.
*
* @since 1.2.0
* @since 4.4.0 The `$post_type` argument was added.
* @since 5.2.0 The `$year`, `$monthnum`, `$day`, and `$w` arguments were added.
*
* @see get_archives_link()
*
* @global wpdb $wpdb WordPress database abstraction object.
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string|array $args {
* Default archive links arguments. Optional.
*
* @type string $type Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly',
* 'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha'
* display the same archive link list as well as post titles instead
* of displaying dates. The difference between the two is that 'alpha'
* will order by post title and 'postbypost' will order by post date.
* Default 'monthly'.
* @type string|int $limit Number of links to limit the query to. Default empty (no limit).
* @type string $format Format each link should take using the $before and $after args.
* Accepts 'link' (`` tag), 'option' (`