s( $args );
if ( $links ) {
$navigation = _navigation_markup( $links, $args['class'], $args['screen_reader_text'], $args['aria_label'] );
}
}
return $navigation;
}
/**
* Displays a paginated navigation to next/previous set of posts, when applicable.
*
* @since 4.1.0
*
* @param array $args Optional. See get_the_posts_pagination() for available arguments.
* Default empty array.
*/
function the_posts_pagination( $args = array() ) {
echo get_the_posts_pagination( $args );
}
/**
* Wraps passed links in navigational markup.
*
* @since 4.1.0
* @since 5.3.0 Added the `aria_label` parameter.
* @access private
*
* @param string $links Navigational links.
* @param string $css_class Optional. Custom class for the nav element.
* Default 'posts-navigation'.
* @param string $screen_reader_text Optional. Screen reader text for the nav element.
* Default 'Posts navigation'.
* @param string $aria_label Optional. ARIA label for the nav element.
* Defaults to the value of `$screen_reader_text`.
* @return string Navigation template tag.
*/
function _navigation_markup( $links, $css_class = 'posts-navigation', $screen_reader_text = '', $aria_label = '' ) {
if ( empty( $screen_reader_text ) ) {
$screen_reader_text = /* translators: Hidden accessibility text. */ __( 'Posts navigation' );
}
if ( empty( $aria_label ) ) {
$aria_label = $screen_reader_text;
}
$template = '
';
/**
* Filters the navigation markup template.
*
* Note: The filtered template HTML must contain specifiers for the navigation
* class (%1$s), the screen-reader-text value (%2$s), placement of the navigation
* links (%3$s), and ARIA label text if screen-reader-text does not fit that (%4$s):
*
*
*
* @since 4.4.0
*
* @param string $template The default template.
* @param string $css_class The class passed by the calling function.
* @return string Navigation template.
*/
$template = apply_filters( 'navigation_markup_template', $template, $css_class );
return sprintf( $template, sanitize_html_class( $css_class ), esc_html( $screen_reader_text ), $links, esc_attr( $aria_label ) );
}
/**
* Retrieves the comments page number link.
*
* @since 2.7.0
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param int $pagenum Optional. Page number. Default 1.
* @param int $max_page Optional. The maximum number of comment pages. Default 0.
* @return string The comments page number link URL.
*/
function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) {
global $wp_rewrite;
$pagenum = (int) $pagenum;
$result = get_permalink();
if ( 'newest' === get_option( 'default_comments_page' ) ) {
if ( $pagenum != $max_page ) {
if ( $wp_rewrite->using_permalinks() ) {
$result = user_trailingslashit( trailingslashit( $result ) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged' );
} else {
$result = add_query_arg( 'cpage', $pagenum, $result );
}
}
} elseif ( $pagenum > 1 ) {
if ( $wp_rewrite->using_permalinks() ) {
$result = user_trailingslashit( trailingslashit( $result ) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged' );
} else {
$result = add_query_arg( 'cpage', $pagenum, $result );
}
}
$result .= '#comments';
/**
* Filters the comments page number link for the current request.
*
* @since 2.7.0
*
* @param string $result The comments page number link.
*/
return apply_filters( 'get_comments_pagenum_link', $result );
}
/**
* Retrieves the link to the next comments page.
*
* @since 2.7.1
*
* @global WP_Query $wp_query WordPress Query object.
*
* @param string $label Optional. Label for link text. Default empty.
* @param int $max_page Optional. Max page. Default 0.
* @return string|void HTML-formatted link for the next page of comments.
*/
function get_next_comments_link( $label = '', $max_page = 0 ) {
global $wp_query;
if ( ! is_singular() ) {
return;
}
$page = get_query_var( 'cpage' );
if ( ! $page ) {
$page = 1;
}
$next_page = (int) $page + 1;
if ( empty( $max_page ) ) {
$max_page = $wp_query->max_num_comment_pages;
}
if ( empty( $max_page ) ) {
$max_page = get_comment_pages_count();
}
if ( $next_page > $max_page ) {
return;
}
if ( empty( $label ) ) {
$label = __( 'Newer Comments »' );
}
/**
* Filters the anchor tag attributes for the next comments page link.
*
* @since 2.7.0
*
* @param string $attributes Attributes for the anchor tag.
*/
$attr = apply_filters( 'next_comments_link_attributes', '' );
return sprintf(
'%3$s',
esc_url( get_comments_pagenum_link( $next_page, $max_page ) ),
$attr,
preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label )
);
}
/**
* Displays the link to the next comments page.
*
* @since 2.7.0
*
* @param string $label Optional. Label for link text. Default empty.
* @param int $max_page Optional. Max page. Default 0.
*/
function next_comments_link( $label = '', $max_page = 0 ) {
echo get_next_comments_link( $label, $max_page );
}
/**
* Retrieves the link to the previous comments page.
*
* @since 2.7.1
*
* @param string $label Optional. Label for comments link text. Default empty.
* @return string|void HTML-formatted link for the previous page of comments.
*/
function get_previous_comments_link( $label = '' ) {
if ( ! is_singular() ) {
return;
}
$page = get_query_var( 'cpage' );
if ( (int) $page <= 1 ) {
return;
}
$previous_page = (int) $page - 1;
if ( empty( $label ) ) {
$label = __( '« Older Comments' );
}
/**
* Filters the anchor tag attributes for the previous comments page link.
*
* @since 2.7.0
*
* @param string $attributes Attributes for the anchor tag.
*/
$attr = apply_filters( 'previous_comments_link_attributes', '' );
return sprintf(
'%3$s',
esc_url( get_comments_pagenum_link( $previous_page ) ),
$attr,
preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label )
);
}
/**
* Displays the link to the previous comments page.
*
* @since 2.7.0
*
* @param string $label Optional. Label for comments link text. Default empty.
*/
function previous_comments_link( $label = '' ) {
echo get_previous_comments_link( $label );
}
/**
* Displays or retrieves pagination links for the comments on the current post.
*
* @see paginate_links()
* @since 2.7.0
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param string|array $args Optional args. See paginate_links(). Default empty array.
* @return void|string|array Void if 'echo' argument is true and 'type' is not an array,
* or if the query is not for an existing single post of any post type.
* Otherwise, markup for comment page links or array of comment page links,
* depending on 'type' argument.
*/
function paginate_comments_links( $args = array() ) {
global $wp_rewrite;
if ( ! is_singular() ) {
return;
}
$page = get_query_var( 'cpage' );
if ( ! $page ) {
$page = 1;
}
$max_page = get_comment_pages_count();
$defaults = array(
'base' => add_query_arg( 'cpage', '%#%' ),
'format' => '',
'total' => $max_page,
'current' => $page,
'echo' => true,
'type' => 'plain',
'add_fragment' => '#comments',
);
if ( $wp_rewrite->using_permalinks() ) {
$defaults['base'] = user_trailingslashit( trailingslashit( get_permalink() ) . $wp_rewrite->comments_pagination_base . '-%#%', 'commentpaged' );
}
$args = wp_parse_args( $args, $defaults );
$page_links = paginate_links( $args );
if ( $args['echo'] && 'array' !== $args['type'] ) {
echo $page_links;
} else {
return $page_links;
}
}
/**
* Retrieves navigation to next/previous set of comments, when applicable.
*
* @since 4.4.0
* @since 5.3.0 Added the `aria_label` parameter.
* @since 5.5.0 Added the `class` parameter.
*
* @param array $args {
* Optional. Default comments navigation arguments.
*
* @type string $prev_text Anchor text to display in the previous comments link.
* Default 'Older comments'.
* @type string $next_text Anchor text to display in the next comments link.
* Default 'Newer comments'.
* @type string $screen_reader_text Screen reader text for the nav element. Default 'Comments navigation'.
* @type string $aria_label ARIA label text for the nav element. Default 'Comments'.
* @type string $class Custom class for the nav element. Default 'comment-navigation'.
* }
* @return string Markup for comments links.
*/
function get_the_comments_navigation( $args = array() ) {
$navigation = '';
// Are there comments to navigate through?
if ( get_comment_pages_count() > 1 ) {
// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
$args['aria_label'] = $args['screen_reader_text'];
}
$args = wp_parse_args(
$args,
array(
'prev_text' => __( 'Older comments' ),
'next_text' => __( 'Newer comments' ),
'screen_reader_text' => __( 'Comments navigation' ),
'aria_label' => __( 'Comments' ),
'class' => 'comment-navigation',
)
);
$prev_link = get_previous_comments_link( $args['prev_text'] );
$next_link = get_next_comments_link( $args['next_text'] );
if ( $prev_link ) {
$navigation .= '
' . $prev_link . '
';
}
if ( $next_link ) {
$navigation .= '
' . $next_link . '
';
}
$navigation = _navigation_markup( $navigation, $args['class'], $args['screen_reader_text'], $args['aria_label'] );
}
return $navigation;
}
/**
* Displays navigation to next/previous set of comments, when applicable.
*
* @since 4.4.0
*
* @param array $args See get_the_comments_navigation() for available arguments. Default empty array.
*/
function the_comments_navigation( $args = array() ) {
echo get_the_comments_navigation( $args );
}
/**
* Retrieves a paginated navigation to next/previous set of comments, when applicable.
*
* @since 4.4.0
* @since 5.3.0 Added the `aria_label` parameter.
* @since 5.5.0 Added the `class` parameter.
*
* @see paginate_comments_links()
*
* @param array $args {
* Optional. Default pagination arguments.
*
* @type string $screen_reader_text Screen reader text for the nav element. Default 'Comments navigation'.
* @type string $aria_label ARIA label text for the nav element. Default 'Comments'.
* @type string $class Custom class for the nav element. Default 'comments-pagination'.
* }
* @return string Markup for pagination links.
*/
function get_the_comments_pagination( $args = array() ) {
$navigation = '';
// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
$args['aria_label'] = $args['screen_reader_text'];
}
$args = wp_parse_args(
$args,
array(
'screen_reader_text' => __( 'Comments navigation' ),
'aria_label' => __( 'Comments' ),
'class' => 'comments-pagination',
)
);
$args['echo'] = false;
// Make sure we get a string back. Plain is the next best thing.
if ( isset( $args['type'] ) && 'array' === $args['type'] ) {
$args['type'] = 'plain';
}
$links = paginate_comments_links( $args );
if ( $links ) {
$navigation = _navigation_markup( $links, $args['class'], $args['screen_reader_text'], $args['aria_label'] );
}
return $navigation;
}
/**
* Displays a paginated navigation to next/previous set of comments, when applicable.
*
* @since 4.4.0
*
* @param array $args See get_the_comments_pagination() for available arguments. Default empty array.
*/
function the_comments_pagination( $args = array() ) {
echo get_the_comments_pagination( $args );
}
/**
* Retrieves the URL for the current site where the front end is accessible.
*
* Returns the 'home' option with the appropriate protocol. The protocol will be 'https'
* if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option.
* If `$scheme` is 'http' or 'https', is_ssl() is overridden.
*
* @since 3.0.0
*
* @param string $path Optional. Path relative to the home URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the home URL context. Accepts
* 'http', 'https', 'relative', 'rest', or null. Default null.
* @return string Home URL link with optional path appended.
*/
function home_url( $path = '', $scheme = null ) {
return get_home_url( null, $path, $scheme );
}
/**
* Retrieves the URL for a given site where the front end is accessible.
*
* Returns the 'home' option with the appropriate protocol. The protocol will be 'https'
* if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option.
* If `$scheme` is 'http' or 'https', is_ssl() is overridden.
*
* @since 3.0.0
*
* @param int|null $blog_id Optional. Site ID. Default null (current site).
* @param string $path Optional. Path relative to the home URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the home URL context. Accepts
* 'http', 'https', 'relative', 'rest', or null. Default null.
* @return string Home URL link with optional path appended.
*/
function get_home_url( $blog_id = null, $path = '', $scheme = null ) {
$orig_scheme = $scheme;
if ( empty( $blog_id ) || ! is_multisite() ) {
$url = get_option( 'home' );
} else {
switch_to_blog( $blog_id );
$url = get_option( 'home' );
restore_current_blog();
}
if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ), true ) ) {
if ( is_ssl() ) {
$scheme = 'https';
} else {
$scheme = parse_url( $url, PHP_URL_SCHEME );
}
}
$url = set_url_scheme( $url, $scheme );
if ( $path && is_string( $path ) ) {
$url .= '/' . ltrim( $path, '/' );
}
/**
* Filters the home URL.
*
* @since 3.0.0
*
* @param string $url The complete home URL including scheme and path.
* @param string $path Path relative to the home URL. Blank string if no path is specified.
* @param string|null $orig_scheme Scheme to give the home URL context. Accepts 'http', 'https',
* 'relative', 'rest', or null.
* @param int|null $blog_id Site ID, or null for the current site.
*/
return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id );
}
/**
* Retrieves the URL for the current site where WordPress application files
* (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
*
* Returns the 'site_url' option with the appropriate protocol, 'https' if
* is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
* overridden.
*
* @since 3.0.0
*
* @param string $path Optional. Path relative to the site URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the site URL context. See set_url_scheme().
* @return string Site URL link with optional path appended.
*/
function site_url( $path = '', $scheme = null ) {
return get_site_url( null, $path, $scheme );
}
/**
* Retrieves the URL for a given site where WordPress application files
* (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
*
* Returns the 'site_url' option with the appropriate protocol, 'https' if
* is_ssl() and 'http' otherwise. If `$scheme` is 'http' or 'https',
* `is_ssl()` is overridden.
*
* @since 3.0.0
*
* @param int|null $blog_id Optional. Site ID. Default null (current site).
* @param string $path Optional. Path relative to the site URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the site URL context. Accepts
* 'http', 'https', 'login', 'login_post', 'admin', or
* 'relative'. Default null.
* @return string Site URL link with optional path appended.
*/
function get_site_url( $blog_id = null, $path = '', $scheme = null ) {
if ( empty( $blog_id ) || ! is_multisite() ) {
$url = get_option( 'siteurl' );
} else {
switch_to_blog( $blog_id );
$url = get_option( 'siteurl' );
restore_current_blog();
}
$url = set_url_scheme( $url, $scheme );
if ( $path && is_string( $path ) ) {
$url .= '/' . ltrim( $path, '/' );
}
/**
* Filters the site URL.
*
* @since 2.7.0
*
* @param string $url The complete site URL including scheme and path.
* @param string $path Path relative to the site URL. Blank string if no path is specified.
* @param string|null $scheme Scheme to give the site URL context. Accepts 'http', 'https', 'login',
* 'login_post', 'admin', 'relative' or null.
* @param int|null $blog_id Site ID, or null for the current site.
*/
return apply_filters( 'site_url', $url, $path, $scheme, $blog_id );
}
/**
* Retrieves the URL to the admin area for the current site.
*
* @since 2.6.0
*
* @param string $path Optional. Path relative to the admin URL. Default empty.
* @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
* 'http' or 'https' can be passed to force those schemes.
* @return string Admin URL link with optional path appended.
*/
function admin_url( $path = '', $scheme = 'admin' ) {
return get_admin_url( null, $path, $scheme );
}
/**
* Retrieves the URL to the admin area for a given site.
*
* @since 3.0.0
*
* @param int|null $blog_id Optional. Site ID. Default null (current site).
* @param string $path Optional. Path relative to the admin URL. Default empty.
* @param string $scheme Optional. The scheme to use. Accepts 'http' or 'https',
* to force those schemes. Default 'admin', which obeys
* force_ssl_admin() and is_ssl().
* @return string Admin URL link with optional path appended.
*/
function get_admin_url( $blog_id = null, $path = '', $scheme = 'admin' ) {
$url = get_site_url( $blog_id, 'wp-admin/', $scheme );
if ( $path && is_string( $path ) ) {
$url .= ltrim( $path, '/' );
}
/**
* Filters the admin area URL.
*
* @since 2.8.0
* @since 5.8.0 The `$scheme` parameter was added.
*
* @param string $url The complete admin area URL including scheme and path.
* @param string $path Path relative to the admin area URL. Blank string if no path is specified.
* @param int|null $blog_id Site ID, or null for the current site.
* @param string|null $scheme The scheme to use. Accepts 'http', 'https',
* 'admin', or null. Default 'admin', which obeys force_ssl_admin() and is_ssl().
*/
return apply_filters( 'admin_url', $url, $path, $blog_id, $scheme );
}
/**
* Retrieves the URL to the includes directory.
*
* @since 2.6.0
*
* @param string $path Optional. Path relative to the includes URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the includes URL context. Accepts
* 'http', 'https', or 'relative'. Default null.
* @return string Includes URL link with optional path appended.
*/
function includes_url( $path = '', $scheme = null ) {
$url = site_url( '/' . WPINC . '/', $scheme );
if ( $path && is_string( $path ) ) {
$url .= ltrim( $path, '/' );
}
/**
* Filters the URL to the includes directory.
*
* @since 2.8.0
* @since 5.8.0 The `$scheme` parameter was added.
*
* @param string $url The complete URL to the includes directory including scheme and path.
* @param string $path Path relative to the URL to the wp-includes directory. Blank string
* if no path is specified.
* @param string|null $scheme Scheme to give the includes URL context. Accepts
* 'http', 'https', 'relative', or null. Default null.
*/
return apply_filters( 'includes_url', $url, $path, $scheme );
}
/**
* Retrieves the URL to the content directory.
*
* @since 2.6.0
*
* @param string $path Optional. Path relative to the content URL. Default empty.
* @return string Content URL link with optional path appended.
*/
function content_url( $path = '' ) {
$url = set_url_scheme( WP_CONTENT_URL );
if ( $path && is_string( $path ) ) {
$url .= '/' . ltrim( $path, '/' );
}
/**
* Filters the URL to the content directory.
*
* @since 2.8.0
*
* @param string $url The complete URL to the content directory including scheme and path.
* @param string $path Path relative to the URL to the content directory. Blank string
* if no path is specified.
*/
return apply_filters( 'content_url', $url, $path );
}
/**
* Retrieves a URL within the plugins or mu-plugins directory.
*
* Defaults to the plugins directory URL if no arguments are supplied.
*
* @since 2.6.0
*
* @param string $path Optional. Extra path appended to the end of the URL, including
* the relative directory if $plugin is supplied. Default empty.
* @param string $plugin Optional. A full path to a file inside a plugin or mu-plugin.
* The URL will be relative to its directory. Default empty.
* Typically this is done by passing `__FILE__` as the argument.
* @return string Plugins URL link with optional paths appended.
*/
function plugins_url( $path = '', $plugin = '' ) {
$path = wp_normalize_path( $path );
$plugin = wp_normalize_path( $plugin );
$mu_plugin_dir = wp_normalize_path( WPMU_PLUGIN_DIR );
if ( ! empty( $plugin ) && str_starts_with( $plugin, $mu_plugin_dir ) ) {
$url = WPMU_PLUGIN_URL;
} else {
$url = WP_PLUGIN_URL;
}
$url = set_url_scheme( $url );
if ( ! empty( $plugin ) && is_string( $plugin ) ) {
$folder = dirname( plugin_basename( $plugin ) );
if ( '.' !== $folder ) {
$url .= '/' . ltrim( $folder, '/' );
}
}
if ( $path && is_string( $path ) ) {
$url .= '/' . ltrim( $path, '/' );
}
/**
* Filters the URL to the plugins directory.
*
* @since 2.8.0
*
* @param string $url The complete URL to the plugins directory including scheme and path.
* @param string $path Path relative to the URL to the plugins directory. Blank string
* if no path is specified.
* @param string $plugin The plugin file path to be relative to. Blank string if no plugin
* is specified.
*/
return apply_filters( 'plugins_url', $url, $path, $plugin );
}
/**
* Retrieves the site URL for the current network.
*
* Returns the site URL with the appropriate protocol, 'https' if
* is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
* overridden.
*
* @since 3.0.0
*
* @see set_url_scheme()
*
* @param string $path Optional. Path relative to the site URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the site URL context. Accepts
* 'http', 'https', or 'relative'. Default null.
* @return string Site URL link with optional path appended.
*/
function network_site_url( $path = '', $scheme = null ) {
if ( ! is_multisite() ) {
return site_url( $path, $scheme );
}
$current_network = get_network();
if ( 'relative' === $scheme ) {
$url = $current_network->path;
} else {
$url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme );
}
if ( $path && is_string( $path ) ) {
$url .= ltrim( $path, '/' );
}
/**
* Filters the network site URL.
*
* @since 3.0.0
*
* @param string $url The complete network site URL including scheme and path.
* @param string $path Path relative to the network site URL. Blank string if
* no path is specified.
* @param string|null $scheme Scheme to give the URL context. Accepts 'http', 'https',
* 'relative' or null.
*/
return apply_filters( 'network_site_url', $url, $path, $scheme );
}
/**
* Retrieves the home URL for the current network.
*
* Returns the home URL with the appropriate protocol, 'https' is_ssl()
* and 'http' otherwise. If `$scheme` is 'http' or 'https', `is_ssl()` is
* overridden.
*
* @since 3.0.0
*
* @param string $path Optional. Path relative to the home URL. Default empty.
* @param string|null $scheme Optional. Scheme to give the home URL context. Accepts
* 'http', 'https', or 'relative'. Default null.
* @return string Home URL link with optional path appended.
*/
function network_home_url( $path = '', $scheme = null ) {
if ( ! is_multisite() ) {
return home_url( $path, $scheme );
}
$current_network = get_network();
$orig_scheme = $scheme;
if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ), true ) ) {
$scheme = is_ssl() ? 'https' : 'http';
}
if ( 'relative' === $scheme ) {
$url = $current_network->path;
} else {
$url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme );
}
if ( $path && is_string( $path ) ) {
$url .= ltrim( $path, '/' );
}
/**
* Filters the network home URL.
*
* @since 3.0.0
*
* @param string $url The complete network home URL including scheme and path.
* @param string $path Path relative to the network home URL. Blank string
* if no path is specified.
* @param string|null $orig_scheme Scheme to give the URL context. Accepts 'http', 'https',
* 'relative' or null.
*/
return apply_filters( 'network_home_url', $url, $path, $orig_scheme );
}
/**
* Retrieves the URL to the admin area for the network.
*
* @since 3.0.0
*
* @param string $path Optional path relative to the admin URL. Default empty.
* @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Admin URL link with optional path appended.
*/
function network_admin_url( $path = '', $scheme = 'admin' ) {
if ( ! is_multisite() ) {
return admin_url( $path, $scheme );
}
$url = network_site_url( 'wp-admin/network/', $scheme );
if ( $path && is_string( $path ) ) {
$url .= ltrim( $path, '/' );
}
/**
* Filters the network admin URL.
*
* @since 3.0.0
* @since 5.8.0 The `$scheme` parameter was added.
*
* @param string $url The complete network admin URL including scheme and path.
* @param string $path Path relative to the network admin URL. Blank string if
* no path is specified.
* @param string|null $scheme The scheme to use. Accepts 'http', 'https',
* 'admin', or null. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
*/
return apply_filters( 'network_admin_url', $url, $path, $scheme );
}
/**
* Retrieves the URL to the admin area for the current user.
*
* @since 3.0.0
*
* @param string $path Optional. Path relative to the admin URL. Default empty.
* @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Admin URL link with optional path appended.
*/
function user_admin_url( $path = '', $scheme = 'admin' ) {
$url = network_site_url( 'wp-admin/user/', $scheme );
if ( $path && is_string( $path ) ) {
$url .= ltrim( $path, '/' );
}
/**
* Filters the user admin URL for the current user.
*
* @since 3.1.0
* @since 5.8.0 The `$scheme` parameter was added.
*
* @param string $url The complete URL including scheme and path.
* @param string $path Path relative to the URL. Blank string if
* no path is specified.
* @param string|null $scheme The scheme to use. Accepts 'http', 'https',
* 'admin', or null. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
*/
return apply_filters( 'user_admin_url', $url, $path, $scheme );
}
/**
* Retrieves the URL to the admin area for either the current site or the network depending on context.
*
* @since 3.1.0
*
* @param string $path Optional. Path relative to the admin URL. Default empty.
* @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Admin URL link with optional path appended.
*/
function self_admin_url( $path = '', $scheme = 'admin' ) {
if ( is_network_admin() ) {
$url = network_admin_url( $path, $scheme );
} elseif ( is_user_admin() ) {
$url = user_admin_url( $path, $scheme );
} else {
$url = admin_url( $path, $scheme );
}
/**
* Filters the admin URL for the current site or network depending on context.
*
* @since 4.9.0
*
* @param string $url The complete URL including scheme and path.
* @param string $path Path relative to the URL. Blank string if no path is specified.
* @param string $scheme The scheme to use.
*/
return apply_filters( 'self_admin_url', $url, $path, $scheme );
}
/**
* Sets the scheme for a URL.
*
* @since 3.4.0
* @since 4.4.0 The 'rest' scheme was added.
*
* @param string $url Absolute URL that includes a scheme
* @param string|null $scheme Optional. Scheme to give $url. Currently 'http', 'https', 'login',
* 'login_post', 'admin', 'relative', 'rest', 'rpc', or null. Default null.
* @return string URL with chosen scheme.
*/
function set_url_scheme( $url, $scheme = null ) {
$orig_scheme = $scheme;
if ( ! $scheme ) {
$scheme = is_ssl() ? 'https' : 'http';
} elseif ( 'admin' === $scheme || 'login' === $scheme || 'login_post' === $scheme || 'rpc' === $scheme ) {
$scheme = is_ssl() || force_ssl_admin() ? 'https' : 'http';
} elseif ( 'http' !== $scheme && 'https' !== $scheme && 'relative' !== $scheme ) {
$scheme = is_ssl() ? 'https' : 'http';
}
$url = trim( $url );
if ( str_starts_with( $url, '//' ) ) {
$url = 'http:' . $url;
}
if ( 'relative' === $scheme ) {
$url = ltrim( preg_replace( '#^\w+://[^/]*#', '', $url ) );
if ( '' !== $url && '/' === $url[0] ) {
$url = '/' . ltrim( $url, "/ \t\n\r\0\x0B" );
}
} else {
$url = preg_replace( '#^\w+://#', $scheme . '://', $url );
}
/**
* Filters the resulting URL after setting the scheme.
*
* @since 3.4.0
*
* @param string $url The complete URL including scheme and path.
* @param string $scheme Scheme applied to the URL. One of 'http', 'https', or 'relative'.
* @param string|null $orig_scheme Scheme requested for the URL. One of 'http', 'https', 'login',
* 'login_post', 'admin', 'relative', 'rest', 'rpc', or null.
*/
return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme );
}
/**
* Retrieves the URL to the user's dashboard.
*
* If a user does not belong to any site, the global user dashboard is used. If the user
* belongs to the current site, the dashboard for the current site is returned. If the user
* cannot edit the current site, the dashboard to the user's primary site is returned.
*
* @since 3.1.0
*
* @param int $user_id Optional. User ID. Defaults to current user.
* @param string $path Optional path relative to the dashboard. Use only paths known to
* both site and user admins. Default empty.
* @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Dashboard URL link with optional path appended.
*/
function get_dashboard_url( $user_id = 0, $path = '', $scheme = 'admin' ) {
$user_id = $user_id ? (int) $user_id : get_current_user_id();
$blogs = get_blogs_of_user( $user_id );
if ( is_multisite() && ! user_can( $user_id, 'manage_network' ) && empty( $blogs ) ) {
$url = user_admin_url( $path, $scheme );
} elseif ( ! is_multisite() ) {
$url = admin_url( $path, $scheme );
} else {
$current_blog = get_current_blog_id();
if ( $current_blog && ( user_can( $user_id, 'manage_network' ) || in_array( $current_blog, array_keys( $blogs ), true ) ) ) {
$url = admin_url( $path, $scheme );
} else {
$active = get_active_blog_for_user( $user_id );
if ( $active ) {
$url = get_admin_url( $active->blog_id, $path, $scheme );
} else {
$url = user_admin_url( $path, $scheme );
}
}
}
/**
* Filters the dashboard URL for a user.
*
* @since 3.1.0
*
* @param string $url The complete URL including scheme and path.
* @param int $user_id The user ID.
* @param string $path Path relative to the URL. Blank string if no path is specified.
* @param string $scheme Scheme to give the URL context. Accepts 'http', 'https', 'login',
* 'login_post', 'admin', 'relative' or null.
*/
return apply_filters( 'user_dashboard_url', $url, $user_id, $path, $scheme );
}
/**
* Retrieves the URL to the user's profile editor.
*
* @since 3.1.0
*
* @param int $user_id Optional. User ID. Defaults to current user.
* @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Dashboard URL link with optional path appended.
*/
function get_edit_profile_url( $user_id = 0, $scheme = 'admin' ) {
$user_id = $user_id ? (int) $user_id : get_current_user_id();
if ( is_user_admin() ) {
$url = user_admin_url( 'profile.php', $scheme );
} elseif ( is_network_admin() ) {
$url = network_admin_url( 'profile.php', $scheme );
} else {
$url = get_dashboard_url( $user_id, 'profile.php', $scheme );
}
/**
* Filters the URL for a user's profile editor.
*
* @since 3.1.0
*
* @param string $url The complete URL including scheme and path.
* @param int $user_id The user ID.
* @param string $scheme Scheme to give the URL context. Accepts 'http', 'https', 'login',
* 'login_post', 'admin', 'relative' or null.
*/
return apply_filters( 'edit_profile_url', $url, $user_id, $scheme );
}
/**
* Returns the canonical URL for a post.
*
* When the post is the same as the current requested page the function will handle the
* pagination arguments too.
*
* @since 4.6.0
*
* @param int|WP_Post $post Optional. Post ID or object. Default is global `$post`.
* @return string|false The canonical URL. False if the post does not exist
* or has not been published yet.
*/
function wp_get_canonical_url( $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
if ( 'publish' !== $post->post_status ) {
return false;
}
$canonical_url = get_permalink( $post );
// If a canonical is being generated for the current page, make sure it has pagination if needed.
if ( get_queried_object_id() === $post->ID ) {
$page = get_query_var( 'page', 0 );
if ( $page >= 2 ) {
if ( ! get_option( 'permalink_structure' ) ) {
$canonical_url = add_query_arg( 'page', $page, $canonical_url );
} else {
$canonical_url = trailingslashit( $canonical_url ) . user_trailingslashit( $page, 'single_paged' );
}
}
$cpage = get_query_var( 'cpage', 0 );
if ( $cpage ) {
$canonical_url = get_comments_pagenum_link( $cpage );
}
}
/**
* Filters the canonical URL for a post.
*
* @since 4.6.0
*
* @param string $canonical_url The post's canonical URL.
* @param WP_Post $post Post object.
*/
return apply_filters( 'get_canonical_url', $canonical_url, $post );
}
/**
* Outputs rel=canonical for singular queries.
*
* @since 2.9.0
* @since 4.6.0 Adjusted to use `wp_get_canonical_url()`.
*/
function rel_canonical() {
if ( ! is_singular() ) {
return;
}
$id = get_queried_object_id();
if ( 0 === $id ) {
return;
}
$url = wp_get_canonical_url( $id );
if ( ! empty( $url ) ) {
echo '' . "\n";
}
}
/**
* Returns a shortlink for a post, page, attachment, or site.
*
* This function exists to provide a shortlink tag that all themes and plugins can target.
* A plugin must hook in to provide the actual shortlinks. Default shortlink support is
* limited to providing ?p= style links for posts. Plugins can short-circuit this function
* via the {@see 'pre_get_shortlink'} filter or filter the output via the {@see 'get_shortlink'}
* filter.
*
* @since 3.0.0
*
* @param int $id Optional. A post or site ID. Default is 0, which means the current post or site.
* @param string $context Optional. Whether the ID is a 'site' ID, 'post' ID, or 'media' ID. If 'post',
* the post_type of the post is consulted. If 'query', the current query is consulted
* to determine the ID and context. Default 'post'.
* @param bool $allow_slugs Optional. Whether to allow post slugs in the shortlink. It is up to the plugin how
* and whether to honor this. Default true.
* @return string A shortlink or an empty string if no shortlink exists for the requested resource or if shortlinks
* are not enabled.
*/
function wp_get_shortlink( $id = 0, $context = 'post', $allow_slugs = true ) {
/**
* Filters whether to preempt generating a shortlink for the given post.
*
* Returning a value other than false from the filter will short-circuit
* the shortlink generation process, returning that value instead.
*
* @since 3.0.0
*
* @param false|string $return Short-circuit return value. Either false or a URL string.
* @param int $id Post ID, or 0 for the current post.
* @param string $context The context for the link. One of 'post' or 'query',
* @param bool $allow_slugs Whether to allow post slugs in the shortlink.
*/
$shortlink = apply_filters( 'pre_get_shortlink', false, $id, $context, $allow_slugs );
if ( false !== $shortlink ) {
return $shortlink;
}
$post_id = 0;
if ( 'query' === $context && is_singular() ) {
$post_id = get_queried_object_id();
$post = get_post( $post_id );
} elseif ( 'post' === $context ) {
$post = get_post( $id );
if ( ! empty( $post->ID ) ) {
$post_id = $post->ID;
}
}
$shortlink = '';
// Return `?p=` link for all public post types.
if ( ! empty( $post_id ) ) {
$post_type = get_post_type_object( $post->post_type );
if ( 'page' === $post->post_type && get_option( 'page_on_front' ) == $post->ID && 'page' === get_option( 'show_on_front' ) ) {
$shortlink = home_url( '/' );
} elseif ( $post_type && $post_type->public ) {
$shortlink = home_url( '?p=' . $post_id );
}
}
/**
* Filters the shortlink for a post.
*
* @since 3.0.0
*
* @param string $shortlink Shortlink URL.
* @param int $id Post ID, or 0 for the current post.
* @param string $context The context for the link. One of 'post' or 'query',
* @param bool $allow_slugs Whether to allow post slugs in the shortlink. Not used by default.
*/
return apply_filters( 'get_shortlink', $shortlink, $id, $context, $allow_slugs );
}
/**
* Injects rel=shortlink into the head if a shortlink is defined for the current page.
*
* Attached to the {@see 'wp_head'} action.
*
* @since 3.0.0
*/
function wp_shortlink_wp_head() {
$shortlink = wp_get_shortlink( 0, 'query' );
if ( empty( $shortlink ) ) {
return;
}
echo "\n";
}
/**
* Sends a Link: rel=shortlink header if a shortlink is defined for the current page.
*
* Attached to the {@see 'wp'} action.
*
* @since 3.0.0
*/
function wp_shortlink_header() {
if ( headers_sent() ) {
return;
}
$shortlink = wp_get_shortlink( 0, 'query' );
if ( empty( $shortlink ) ) {
return;
}
header( 'Link: <' . $shortlink . '>; rel=shortlink', false );
}
/**
* Displays the shortlink for a post.
*
* Must be called from inside "The Loop"
*
* Call like the_shortlink( __( 'Shortlinkage FTW' ) )
*
* @since 3.0.0
*
* @param string $text Optional The link text or HTML to be displayed. Defaults to 'This is the short link.'
* @param string $title Optional The tooltip for the link. Must be sanitized. Defaults to the sanitized post title.
* @param string $before Optional HTML to display before the link. Default empty.
* @param string $after Optional HTML to display after the link. Default empty.
*/
function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) {
$post = get_post();
if ( empty( $text ) ) {
$text = __( 'This is the short link.' );
}
if ( empty( $title ) ) {
$title = the_title_attribute( array( 'echo' => false ) );
}
$shortlink = wp_get_shortlink( $post->ID );
if ( ! empty( $shortlink ) ) {
$link = '' . $text . '';
/**
* Filters the short link anchor tag for a post.
*
* @since 3.0.0
*
* @param string $link Shortlink anchor tag.
* @param string $shortlink Shortlink URL.
* @param string $text Shortlink's text.
* @param string $title Shortlink's title attribute.
*/
$link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title );
echo $before, $link, $after;
}
}
/**
* Retrieves the avatar URL.
*
* @since 4.2.0
*
* @param mixed $id_or_email The Gravatar to retrieve a URL for. Accepts a user_id, gravatar md5 hash,
* user email, WP_User object, WP_Post object, or WP_Comment object.
* @param array $args {
* Optional. Arguments to use instead of the default arguments.
*
* @type int $size Height and width of the avatar in pixels. Default 96.
* @type string $default URL for the default image or a default type. Accepts '404' (return
* a 404 instead of a default image), 'retro' (8bit), 'RoboHash' (robohash),
* 'monsterid' (monster), 'wavatar' (cartoon face), 'indenticon' (the "quilt"),
* 'mystery', 'mm', or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF),
* or 'gravatar_default' (the Gravatar logo). Default is the value of the
* 'avatar_default' option, with a fallback of 'mystery'.
* @type bool $force_default Whether to always show the default image, never the Gravatar. Default false.
* @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
* judged in that order. Default is the value of the 'avatar_rating' option.
* @type string $scheme URL scheme to use. See set_url_scheme() for accepted values.
* Default null.
* @type array $processed_args When the function returns, the value will be the processed/sanitized $args
* plus a "found_avatar" guess. Pass as a reference. Default null.
* }
* @return string|false The URL of the avatar on success, false on failure.
*/
function get_avatar_url( $id_or_email, $args = null ) {
$args = get_avatar_data( $id_or_email, $args );
return $args['url'];
}
/**
* Check if this comment type allows avatars to be retrieved.
*
* @since 5.1.0
*
* @param string $comment_type Comment type to check.
* @return bool Whether the comment type is allowed for retrieving avatars.
*/
function is_avatar_comment_type( $comment_type ) {
/**
* Filters the list of allowed comment types for retrieving avatars.
*
* @since 3.0.0
*
* @param array $types An array of content types. Default only contains 'comment'.
*/
$allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
return in_array( $comment_type, (array) $allowed_comment_types, true );
}
/**
* Retrieves default data about the avatar.
*
* @since 4.2.0
*
* @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
* user email, WP_User object, WP_Post object, or WP_Comment object.
* @param array $args {
* Optional. Arguments to use instead of the default arguments.
*
* @type int $size Height and width of the avatar image file in pixels. Default 96.
* @type int $height Display height of the avatar in pixels. Defaults to $size.
* @type int $width Display width of the avatar in pixels. Defaults to $size.
* @type string $default URL for the default image or a default type. Accepts '404' (return
* a 404 instead of a default image), 'retro' (8bit), 'monsterid' (monster),
* 'wavatar' (cartoon face), 'indenticon' (the "quilt"), 'mystery', 'mm',
* or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF), or
* 'gravatar_default' (the Gravatar logo). Default is the value of the
* 'avatar_default' option, with a fallback of 'mystery'.
* @type bool $force_default Whether to always show the default image, never the Gravatar. Default false.
* @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
* judged in that order. Default is the value of the 'avatar_rating' option.
* @type string $scheme URL scheme to use. See set_url_scheme() for accepted values.
* Default null.
* @type array $processed_args When the function returns, the value will be the processed/sanitized $args
* plus a "found_avatar" guess. Pass as a reference. Default null.
* @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. Default empty.
* }
* @return array {
* Along with the arguments passed in `$args`, this will contain a couple of extra arguments.
*
* @type bool $found_avatar True if an avatar was found for this user,
* false or not set if none was found.
* @type string|false $url The URL of the avatar that was found, or false.
* }
*/
function get_avatar_data( $id_or_email, $args = null ) {
$args = wp_parse_args(
$args,
array(
'size' => 96,
'height' => null,
'width' => null,
'default' => get_option( 'avatar_default', 'mystery' ),
'force_default' => false,
'rating' => get_option( 'avatar_rating' ),
'scheme' => null,
'processed_args' => null, // If used, should be a reference.
'extra_attr' => '',
)
);
if ( is_numeric( $args['size'] ) ) {
$args['size'] = absint( $args['size'] );
if ( ! $args['size'] ) {
$args['size'] = 96;
}
} else {
$args['size'] = 96;
}
if ( is_numeric( $args['height'] ) ) {
$args['height'] = absint( $args['height'] );
if ( ! $args['height'] ) {
$args['height'] = $args['size'];
}
} else {
$args['height'] = $args['size'];
}
if ( is_numeric( $args['width'] ) ) {
$args['width'] = absint( $args['width'] );
if ( ! $args['width'] ) {
$args['width'] = $args['size'];
}
} else {
$args['width'] = $args['size'];
}
if ( empty( $args['default'] ) ) {
$args['default'] = get_option( 'avatar_default', 'mystery' );
}
switch ( $args['default'] ) {
case 'mm':
case 'mystery':
case 'mysteryman':
$args['default'] = 'mm';
break;
case 'gravatar_default':
$args['default'] = false;
break;
}
$args['force_default'] = (bool) $args['force_default'];
$args['rating'] = strtolower( $args['rating'] );
$args['found_avatar'] = false;
/**
* Filters whether to retrieve the avatar URL early.
*
* Passing a non-null value in the 'url' member of the return array will
* effectively short circuit get_avatar_data(), passing the value through
* the {@see 'get_avatar_data'} filter and returning early.
*
* @since 4.2.0
*
* @param array $args Arguments passed to get_avatar_data(), after processing.
* @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
* user email, WP_User object, WP_Post object, or WP_Comment object.
*/
$args = apply_filters( 'pre_get_avatar_data', $args, $id_or_email );
if ( isset( $args['url'] ) ) {
/** This filter is documented in wp-includes/link-template.php */
return apply_filters( 'get_avatar_data', $args, $id_or_email );
}
$email_hash = '';
$user = false;
$email = false;
if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) {
$id_or_email = get_comment( $id_or_email );
}
// Process the user identifier.
if ( is_numeric( $id_or_email ) ) {
$user = get_user_by( 'id', absint( $id_or_email ) );
} elseif ( is_string( $id_or_email ) ) {
if ( str_contains( $id_or_email, '@md5.gravatar.com' ) ) {
// MD5 hash.
list( $email_hash ) = explode( '@', $id_or_email );
} else {
// Email address.
$email = $id_or_email;
}
} elseif ( $id_or_email instanceof WP_User ) {
// User object.
$user = $id_or_email;
} elseif ( $id_or_email instanceof WP_Post ) {
// Post object.
$user = get_user_by( 'id', (int) $id_or_email->post_author );
} elseif ( $id_or_email instanceof WP_Comment ) {
if ( ! is_avatar_comment_type( get_comment_type( $id_or_email ) ) ) {
$args['url'] = false;
/** This filter is documented in wp-includes/link-template.php */
return apply_filters( 'get_avatar_data', $args, $id_or_email );
}
if ( ! empty( $id_or_email->user_id ) ) {
$user = get_user_by( 'id', (int) $id_or_email->user_id );
}
if ( ( ! $user || is_wp_error( $user ) ) && ! empty( $id_or_email->comment_author_email ) ) {
$email = $id_or_email->comment_author_email;
}
}
if ( ! $email_hash ) {
if ( $user ) {
$email = $user->user_email;
}
if ( $email ) {
$email_hash = md5( strtolower( trim( $email ) ) );
}
}
if ( $email_hash ) {
$args['found_avatar'] = true;
$gravatar_server = hexdec( $email_hash[0] ) % 3;
} else {
$gravatar_server = rand( 0, 2 );
}
$url_args = array(
's' => $args['size'],
'd' => $args['default'],
'f' => $args['force_default'] ? 'y' : false,
'r' => $args['rating'],
);
if ( is_ssl() ) {
$url = 'https://secure.gravatar.com/avatar/' . $email_hash;
} else {
$url = sprintf( 'http://%d.gravatar.com/avatar/%s', $gravatar_server, $email_hash );
}
$url = add_query_arg(
rawurlencode_deep( array_filter( $url_args ) ),
set_url_scheme( $url, $args['scheme'] )
);
/**
* Filters the avatar URL.
*
* @since 4.2.0
*
* @param string $url The URL of the avatar.
* @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
* user email, WP_User object, WP_Post object, or WP_Comment object.
* @param array $args Arguments passed to get_avatar_data(), after processing.
*/
$args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args );
/**
* Filters the avatar data.
*
* @since 4.2.0
*
* @param array $args Arguments passed to get_avatar_data(), after processing.
* @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
* user email, WP_User object, WP_Post object, or WP_Comment object.
*/
return apply_filters( 'get_avatar_data', $args, $id_or_email );
}
/**
* Retrieves the URL of a file in the theme.
*
* Searches in the stylesheet directory before the template directory so themes
* which inherit from a parent theme can just override one file.
*
* @since 4.7.0
*
* @param string $file Optional. File to search for in the stylesheet directory.
* @return string The URL of the file.
*/
function get_theme_file_uri( $file = '' ) {
$file = ltrim( $file, '/' );
if ( empty( $file ) ) {
$url = get_stylesheet_directory_uri();
} elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) {
$url = get_stylesheet_directory_uri() . '/' . $file;
} else {
$url = get_template_directory_uri() . '/' . $file;
}
/**
* Filters the URL to a file in the theme.
*
* @since 4.7.0
*
* @param string $url The file URL.
* @param string $file The requested file to search for.
*/
return apply_filters( 'theme_file_uri', $url, $file );
}
/**
* Retrieves the URL of a file in the parent theme.
*
* @since 4.7.0
*
* @param string $file Optional. File to return the URL for in the template directory.
* @return string The URL of the file.
*/
function get_parent_theme_file_uri( $file = '' ) {
$file = ltrim( $file, '/' );
if ( empty( $file ) ) {
$url = get_template_directory_uri();
} else {
$url = get_template_directory_uri() . '/' . $file;
}
/**
* Filters the URL to a file in the parent theme.
*
* @since 4.7.0
*
* @param string $url The file URL.
* @param string $file The requested file to search for.
*/
return apply_filters( 'parent_theme_file_uri', $url, $file );
}
/**
* Retrieves the path of a file in the theme.
*
* Searches in the stylesheet directory before the template directory so themes
* which inherit from a parent theme can just override one file.
*
* @since 4.7.0
*
* @param string $file Optional. File to search for in the stylesheet directory.
* @return string The path of the file.
*/
function get_theme_file_path( $file = '' ) {
$file = ltrim( $file, '/' );
if ( empty( $file ) ) {
$path = get_stylesheet_directory();
} elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) {
$path = get_stylesheet_directory() . '/' . $file;
} else {
$path = get_template_directory() . '/' . $file;
}
/**
* Filters the path to a file in the theme.
*
* @since 4.7.0
*
* @param string $path The file path.
* @param string $file The requested file to search for.
*/
return apply_filters( 'theme_file_path', $path, $file );
}
/**
* Retrieves the path of a file in the parent theme.
*
* @since 4.7.0
*
* @param string $file Optional. File to return the path for in the template directory.
* @return string The path of the file.
*/
function get_parent_theme_file_path( $file = '' ) {
$file = ltrim( $file, '/' );
if ( empty( $file ) ) {
$path = get_template_directory();
} else {
$path = get_template_directory() . '/' . $file;
}
/**
* Filters the path to a file in the parent theme.
*
* @since 4.7.0
*
* @param string $path The file path.
* @param string $file The requested file to search for.
*/
return apply_filters( 'parent_theme_file_path', $path, $file );
}
/**
* Retrieves the URL to the privacy policy page.
*
* @since 4.9.6
*
* @return string The URL to the privacy policy page. Empty string if it doesn't exist.
*/
function get_privacy_policy_url() {
$url = '';
$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
if ( ! empty( $policy_page_id ) && get_post_status( $policy_page_id ) === 'publish' ) {
$url = (string) get_permalink( $policy_page_id );
}
/**
* Filters the URL of the privacy policy page.
*
* @since 4.9.6
*
* @param string $url The URL to the privacy policy page. Empty string
* if it doesn't exist.
* @param int $policy_page_id The ID of privacy policy page.
*/
return apply_filters( 'privacy_policy_url', $url, $policy_page_id );
}
/**
* Displays the privacy policy link with formatting, when applicable.
*
* @since 4.9.6
*
* @param string $before Optional. Display before privacy policy link. Default empty.
* @param string $after Optional. Display after privacy policy link. Default empty.
*/
function the_privacy_policy_link( $before = '', $after = '' ) {
echo get_the_privacy_policy_link( $before, $after );
}
/**
* Returns the privacy policy link with formatting, when applicable.
*
* @since 4.9.6
* @since 6.2.0 Added 'privacy-policy' rel attribute.
*
* @param string $before Optional. Display before privacy policy link. Default empty.
* @param string $after Optional. Display after privacy policy link. Default empty.
* @return string Markup for the link and surrounding elements. Empty string if it
* doesn't exist.
*/
function get_the_privacy_policy_link( $before = '', $after = '' ) {
$link = '';
$privacy_policy_url = get_privacy_policy_url();
$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
$page_title = ( $policy_page_id ) ? get_the_title( $policy_page_id ) : '';
if ( $privacy_policy_url && $page_title ) {
$link = sprintf(
'%s',
esc_url( $privacy_policy_url ),
esc_html( $page_title )
);
}
/**
* Filters the privacy policy link.
*
* @since 4.9.6
*
* @param string $link The privacy policy link. Empty string if it
* doesn't exist.
* @param string $privacy_policy_url The URL of the privacy policy. Empty string
* if it doesn't exist.
*/
$link = apply_filters( 'the_privacy_policy_link', $link, $privacy_policy_url );
if ( $link ) {
return $before . $link . $after;
}
return '';
}
/**
* Returns an array of URL hosts which are considered to be internal hosts.
*
* By default the list of internal hosts is comprised of the host name of
* the site's home_url() (as parsed by wp_parse_url()).
*
* This list is used when determining if a specificed URL is a link to a page on
* the site itself or a link offsite (to an external host). This is used, for
* example, when determining if the "nofollow" attribute should be applied to a
* link.
*
* @see wp_is_internal_link
*
* @since 6.2.0
*
* @return string[] An array of URL hosts.
*/
function wp_internal_hosts() {
static $internal_hosts;
if ( empty( $internal_hosts ) ) {
/**
* Filters the array of URL hosts which are considered internal.
*
* @since 6.2.0
*
* @param string[] $internal_hosts An array of internal URL hostnames.
*/
$internal_hosts = apply_filters(
'wp_internal_hosts',
array(
wp_parse_url( home_url(), PHP_URL_HOST ),
)
);
$internal_hosts = array_unique(
array_map( 'strtolower', (array) $internal_hosts )
);
}
return $internal_hosts;
}
/**
* Determines whether or not the specified URL is of a host included in the internal hosts list.
*
* @see wp_internal_hosts()
*
* @since 6.2.0
*
* @param string $link The URL to test.
* @return bool Returns true for internal URLs and false for all other URLs.
*/
function wp_is_internal_link( $link ) {
$link = strtolower( $link );
if ( in_array( wp_parse_url( $link, PHP_URL_SCHEME ), wp_allowed_protocols(), true ) ) {
return in_array( wp_parse_url( $link, PHP_URL_HOST ), wp_internal_hosts(), true );
}
return false;
}
items = array();
$menu_items_with_children = array();
foreach ( (array) $menu_items as $menu_item ) {
/*
* Fix invalid `menu_item_parent`. See: https://core.trac.wordpress.org/ticket/56926.
* Compare as strings. Plugins may change the ID to a string.
*/
if ( (string) $menu_item->ID === (string) $menu_item->menu_item_parent ) {
$menu_item->menu_item_parent = 0;
}
$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
if ( $menu_item->menu_item_parent ) {
$menu_items_with_children[ $menu_item->menu_item_parent ] = true;
}
}
// Add the menu-item-has-children class where applicable.
if ( $menu_items_with_children ) {
foreach ( $sorted_menu_items as &$menu_item ) {
if ( isset( $menu_items_with_children[ $menu_item->ID ] ) ) {
$menu_item->classes[] = 'menu-item-has-children';
}
}
}
unset( $menu_items, $menu_item );
/**
* Filters the sorted list of menu item objects before generating the menu's HTML.
*
* @since 3.1.0
*
* @param array $sorted_menu_items The menu items, sorted by each menu item's menu order.
* @param stdClass $args An object containing wp_nav_menu() arguments.
*/
$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );
$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
unset( $sorted_menu_items );
// Attributes.
if ( ! empty( $args->menu_id ) ) {
$wrap_id = $args->menu_id;
} else {
$wrap_id = 'menu-' . $menu->slug;
while ( in_array( $wrap_id, $menu_id_slugs, true ) ) {
if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) ) {
$wrap_id = preg_replace( '#-(\d+)$#', '-' . ++$matches[1], $wrap_id );
} else {
$wrap_id = $wrap_id . '-1';
}
}
}
$menu_id_slugs[] = $wrap_id;
$wrap_class = $args->menu_class ? $args->menu_class : '';
/**
* Filters the HTML list content for navigation menus.
*
* @since 3.0.0
*
* @see wp_nav_menu()
*
* @param string $items The HTML list content for the menu items.
* @param stdClass $args An object containing wp_nav_menu() arguments.
*/
$items = apply_filters( 'wp_nav_menu_items', $items, $args );
/**
* Filters the HTML list content for a specific navigation menu.
*
* @since 3.0.0
*
* @see wp_nav_menu()
*
* @param string $items The HTML list content for the menu items.
* @param stdClass $args An object containing wp_nav_menu() arguments.
*/
$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
// Don't print any markup if there are no items at this point.
if ( empty( $items ) ) {
return false;
}
$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );
unset( $items );
if ( $show_container ) {
$nav_menu .= 'container . '>';
}
/**
* Filters the HTML content for navigation menus.
*
* @since 3.0.0
*
* @see wp_nav_menu()
*
* @param string $nav_menu The HTML content for the navigation menu.
* @param stdClass $args An object containing wp_nav_menu() arguments.
*/
$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );
if ( $args->echo ) {
echo $nav_menu;
} else {
return $nav_menu;
}
}
/**
* Adds the class property classes for the current context, if applicable.
*
* @access private
* @since 3.0.0
*
* @global WP_Query $wp_query WordPress Query object.
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param array $menu_items The current menu item objects to which to add the class property information.
*/
function _wp_menu_item_classes_by_context( &$menu_items ) {
global $wp_query, $wp_rewrite;
$queried_object = $wp_query->get_queried_object();
$queried_object_id = (int) $wp_query->queried_object_id;
$active_object = '';
$active_ancestor_item_ids = array();
$active_parent_item_ids = array();
$active_parent_object_ids = array();
$possible_taxonomy_ancestors = array();
$possible_object_parents = array();
$home_page_id = (int) get_option( 'page_for_posts' );
if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {
foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
$term_hierarchy = _get_term_hierarchy( $taxonomy );
$terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );
if ( is_array( $terms ) ) {
$possible_object_parents = array_merge( $possible_object_parents, $terms );
$term_to_ancestor = array();
foreach ( (array) $term_hierarchy as $anc => $descs ) {
foreach ( (array) $descs as $desc ) {
$term_to_ancestor[ $desc ] = $anc;
}
}
foreach ( $terms as $desc ) {
do {
$possible_taxonomy_ancestors[ $taxonomy ][] = $desc;
if ( isset( $term_to_ancestor[ $desc ] ) ) {
$_desc = $term_to_ancestor[ $desc ];
unset( $term_to_ancestor[ $desc ] );
$desc = $_desc;
} else {
$desc = 0;
}
} while ( ! empty( $desc ) );
}
}
}
}
} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) {
$term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy );
$term_to_ancestor = array();
foreach ( (array) $term_hierarchy as $anc => $descs ) {
foreach ( (array) $descs as $desc ) {
$term_to_ancestor[ $desc ] = $anc;
}
}
$desc = $queried_object->term_id;
do {
$possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc;
if ( isset( $term_to_ancestor[ $desc ] ) ) {
$_desc = $term_to_ancestor[ $desc ];
unset( $term_to_ancestor[ $desc ] );
$desc = $_desc;
} else {
$desc = 0;
}
} while ( ! empty( $desc ) );
}
$possible_object_parents = array_filter( $possible_object_parents );
$front_page_url = home_url();
$front_page_id = (int) get_option( 'page_on_front' );
$privacy_policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
foreach ( (array) $menu_items as $key => $menu_item ) {
$menu_items[ $key ]->current = false;
$classes = (array) $menu_item->classes;
$classes[] = 'menu-item';
$classes[] = 'menu-item-type-' . $menu_item->type;
$classes[] = 'menu-item-object-' . $menu_item->object;
// This menu item is set as the 'Front Page'.
if ( 'post_type' === $menu_item->type && $front_page_id === (int) $menu_item->object_id ) {
$classes[] = 'menu-item-home';
}
// This menu item is set as the 'Privacy Policy Page'.
if ( 'post_type' === $menu_item->type && $privacy_policy_page_id === (int) $menu_item->object_id ) {
$classes[] = 'menu-item-privacy-policy';
}
// If the menu item corresponds to a taxonomy term for the currently queried non-hierarchical post object.
if ( $wp_query->is_singular && 'taxonomy' === $menu_item->type
&& in_array( (int) $menu_item->object_id, $possible_object_parents, true )
) {
$active_parent_object_ids[] = (int) $menu_item->object_id;
$active_parent_item_ids[] = (int) $menu_item->db_id;
$active_object = $queried_object->post_type;
// If the menu item corresponds to the currently queried post or taxonomy object.
} elseif (
$menu_item->object_id == $queried_object_id
&& (
( ! empty( $home_page_id ) && 'post_type' === $menu_item->type
&& $wp_query->is_home && $home_page_id == $menu_item->object_id )
|| ( 'post_type' === $menu_item->type && $wp_query->is_singular )
|| ( 'taxonomy' === $menu_item->type
&& ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax )
&& $queried_object->taxonomy == $menu_item->object )
)
) {
$classes[] = 'current-menu-item';
$menu_items[ $key ]->current = true;
$_anc_id = (int) $menu_item->db_id;
while (
( $_anc_id = (int) get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) )
&& ! in_array( $_anc_id, $active_ancestor_item_ids, true )
) {
$active_ancestor_item_ids[] = $_anc_id;
}
if ( 'post_type' === $menu_item->type && 'page' === $menu_item->object ) {
// Back compat classes for pages to match wp_page_menu().
$classes[] = 'page_item';
$classes[] = 'page-item-' . $menu_item->object_id;
$classes[] = 'current_page_item';
}
$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
$active_parent_object_ids[] = (int) $menu_item->post_parent;
$active_object = $menu_item->object;
// If the menu item corresponds to the currently queried post type archive.
} elseif (
'post_type_archive' === $menu_item->type
&& is_post_type_archive( array( $menu_item->object ) )
) {
$classes[] = 'current-menu-item';
$menu_items[ $key ]->current = true;
$_anc_id = (int) $menu_item->db_id;
while (
( $_anc_id = (int) get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) )
&& ! in_array( $_anc_id, $active_ancestor_item_ids, true )
) {
$active_ancestor_item_ids[] = $_anc_id;
}
$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
// If the menu item corresponds to the currently requested URL.
} elseif ( 'custom' === $menu_item->object && isset( $_SERVER['HTTP_HOST'] ) ) {
$_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] );
// If it's the customize page then it will strip the query var off the URL before entering the comparison block.
if ( is_customize_preview() ) {
$_root_relative_current = strtok( untrailingslashit( $_SERVER['REQUEST_URI'] ), '?' );
}
$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current );
$raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
$item_url = set_url_scheme( untrailingslashit( $raw_item_url ) );
$_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) );
$matches = array(
$current_url,
urldecode( $current_url ),
$_indexless_current,
urldecode( $_indexless_current ),
$_root_relative_current,
urldecode( $_root_relative_current ),
);
if ( $raw_item_url && in_array( $item_url, $matches, true ) ) {
$classes[] = 'current-menu-item';
$menu_items[ $key ]->current = true;
$_anc_id = (int) $menu_item->db_id;
while (
( $_anc_id = (int) get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) )
&& ! in_array( $_anc_id, $active_ancestor_item_ids, true )
) {
$active_ancestor_item_ids[] = $_anc_id;
}
if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ), true ) ) {
// Back compat for home link to match wp_page_menu().
$classes[] = 'current_page_item';
}
$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
$active_parent_object_ids[] = (int) $menu_item->post_parent;
$active_object = $menu_item->object;
// Give front page item the 'current-menu-item' class when extra query arguments are involved.
} elseif ( $item_url == $front_page_url && is_front_page() ) {
$classes[] = 'current-menu-item';
}
if ( untrailingslashit( $item_url ) == home_url() ) {
$classes[] = 'menu-item-home';
}
}
// Back-compat with wp_page_menu(): add "current_page_parent" to static home page link for any non-page query.
if ( ! empty( $home_page_id ) && 'post_type' === $menu_item->type
&& empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id
) {
$classes[] = 'current_page_parent';
}
$menu_items[ $key ]->classes = array_unique( $classes );
}
$active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) );
$active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) );
$active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );
// Set parent's class.
foreach ( (array) $menu_items as $key => $parent_item ) {
$classes = (array) $parent_item->classes;
$menu_items[ $key ]->current_item_ancestor = false;
$menu_items[ $key ]->current_item_parent = false;
if (
isset( $parent_item->type )
&& (
// Ancestral post object.
(
'post_type' === $parent_item->type
&& ! empty( $queried_object->post_type )
&& is_post_type_hierarchical( $queried_object->post_type )
&& in_array( (int) $parent_item->object_id, $queried_object->ancestors, true )
&& $parent_item->object != $queried_object->ID
) ||
// Ancestral term.
(
'taxonomy' === $parent_item->type
&& isset( $possible_taxonomy_ancestors[ $parent_item->object ] )
&& in_array( (int) $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ], true )
&& (
! isset( $queried_object->term_id ) ||
$parent_item->object_id != $queried_object->term_id
)
)
)
) {
if ( ! empty( $queried_object->taxonomy ) ) {
$classes[] = 'current-' . $queried_object->taxonomy . '-ancestor';
} else {
$classes[] = 'current-' . $queried_object->post_type . '-ancestor';
}
}
if ( in_array( (int) $parent_item->db_id, $active_ancestor_item_ids, true ) ) {
$classes[] = 'current-menu-ancestor';
$menu_items[ $key ]->current_item_ancestor = true;
}
if ( in_array( (int) $parent_item->db_id, $active_parent_item_ids, true ) ) {
$classes[] = 'current-menu-parent';
$menu_items[ $key ]->current_item_parent = true;
}
if ( in_array( (int) $parent_item->object_id, $active_parent_object_ids, true ) ) {
$classes[] = 'current-' . $active_object . '-parent';
}
if ( 'post_type' === $parent_item->type && 'page' === $parent_item->object ) {
// Back compat classes for pages to match wp_page_menu().
if ( in_array( 'current-menu-parent', $classes, true ) ) {
$classes[] = 'current_page_parent';
}
if ( in_array( 'current-menu-ancestor', $classes, true ) ) {
$classes[] = 'current_page_ancestor';
}
}
$menu_items[ $key ]->classes = array_unique( $classes );
}
}
/**
* Retrieves the HTML list content for nav menu items.
*
* @uses Walker_Nav_Menu to create HTML list content.
* @since 3.0.0
*
* @param array $items The menu items, sorted by each menu item's menu order.
* @param int $depth Depth of the item in reference to parents.
* @param stdClass $args An object containing wp_nav_menu() arguments.
* @return string The HTML list content for the menu items.
*/
function walk_nav_menu_tree( $items, $depth, $args ) {
$walker = ( empty( $args->walker ) ) ? new Walker_Nav_Menu() : $args->walker;
return $walker->walk( $items, $depth, $args );
}
/**
* Prevents a menu item ID from being used more than once.
*
* @since 3.0.1
* @access private
*
* @param string $id
* @param object $item
* @return string
*/
function _nav_menu_item_id_use_once( $id, $item ) {
static $_used_ids = array();
if ( in_array( $item->ID, $_used_ids, true ) ) {
return '';
}
$_used_ids[] = $item->ID;
return $id;
}
/**
* Remove the `menu-item-has-children` class from bottom level menu items.
*
* This runs on the {@see 'nav_menu_css_class'} filter. The $args and $depth
* parameters were added after the filter was originally introduced in
* WordPress 3.0.0 so this needs to allow for cases in which the filter is
* called without them.
*
* @see https://core.trac.wordpress.org/ticket/56926.
*
* @since 6.2.0
*
* @param string[] $classes Array of the CSS classes that are applied to the menu item's `
` element.
* @param WP_Post $menu_item The current menu item object.
* @param stdClass|false $args An object of wp_nav_menu() arguments. Default false ($args unspecified when filter is called).
* @param int|false $depth Depth of menu item. Default false ($depth unspecified when filter is called).
* @return string[] Modified nav menu classes.
*/
function wp_nav_menu_remove_menu_item_has_children_class( $classes, $menu_item, $args = false, $depth = false ) {
/*
* Account for the filter being called without the $args or $depth parameters.
*
* This occurs when a theme uses a custom walker calling the `nav_menu_css_class`
* filter using the legacy formats prior to the introduction of the $args and
* $depth parameters.
*
* As both of these parameters are required for this function to determine
* both the current and maximum depth of the menu tree, the function does not
* attempt to remove the `menu-item-has-children` class if these parameters
* are not set.
*/
if ( false === $depth || false === $args ) {
return $classes;
}
// Max-depth is 1-based.
$max_depth = isset( $args->depth ) ? (int) $args->depth : 0;
// Depth is 0-based so needs to be increased by one.
$depth = $depth + 1;
// Complete menu tree is displayed.
if ( 0 === $max_depth ) {
return $classes;
}
/*
* Remove the `menu-item-has-children` class from bottom level menu items.
* -1 is used to display all menu items in one level so the class should
* be removed from all menu items.
*/
if ( -1 === $max_depth || $depth >= $max_depth ) {
$classes = array_diff( $classes, array( 'menu-item-has-children' ) );
}
return $classes;
}