' . $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;
}
if ( 'display' === $filter ) {
if (
str_contains( $show, 'url' )
|| str_contains( $show, 'directory' )
|| str_contains( $show, 'home' )
) {
/**
* 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 = (int) 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 ) );
}
/**
* Determines 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' );
$is_image = ( $custom_logo_id ) ? wp_attachment_is_image( $custom_logo_id ) : false;
if ( $switched_blog ) {
restore_current_blog();
}
return $is_image;
}
/**
* Returns a custom logo, linked to home unless the theme supports removing the link on the home page.
*
* @since 4.5.0
* @since 5.5.0 Added option to remove the link on the home page with `unlink-homepage-logo` theme support
* for the `custom-logo` theme feature.
* @since 5.5.1 Disabled lazy-loading by default.
*
* @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;
}
// We have a logo. Logo is go.
if ( has_custom_logo() ) {
$custom_logo_id = get_theme_mod( 'custom_logo' );
$custom_logo_attr = array(
'class' => 'custom-logo',
'loading' => false,
);
$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 );
// Check that we have a proper HTML img element.
if ( $image ) {
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 unless the theme supports removing the link on the home 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 ) );
/**
* Filters the document title.
*
* @since 5.8.0
*
* @param string $title Document title.
*/
$title = apply_filters( 'document_title', $title );
return $title;
}
/**
* Displays title tag with content.
*
* @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 '