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site_url( string $path = '', string|null $scheme = null ): string

Retrieves the URL for the current site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.

Description

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.

Parameters

$path string Optional
Path relative to the site URL.

Default: ''

$scheme string|null Optional
Scheme to give the site URL context. See set_url_scheme() .
More Arguments from set_url_scheme( ... $scheme ) Scheme to give $url. Currently 'http', 'https', 'login', 'login_post', 'admin', 'relative', 'rest', 'rpc', or null.

Default: null

Return

string Site URL link with optional path appended.

Source

File: wp-includes/link-template.php. View all references

function site_url( $path = '', $scheme = null ) {
	return get_site_url( null, $path, $scheme );
}

Uses

Uses Description
get_site_url() wp-includes/link-template.php

Retrieves the URL for a given site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.

Used By

Used By Description
_wp_theme_json_webfonts_handler() wp-includes/script-loader.php

Runs the theme.json webfonts handler.
wp_is_local_html_output() wp-includes/https-detection.php

Checks whether a given HTML string is likely an output from this WordPress site.
wp_should_replace_insecure_home_url() wp-includes/https-migration.php

Checks whether WordPress should replace old HTTP URLs to the site with their HTTPS counterpart.
WP_Site_Health::can_perform_loopback() wp-admin/includes/class-wp-site-health.php

Runs a loopback test on the site.
load_script_textdomain() wp-includes/l10n.php

Loads the script translated strings.
wp_print_request_filesystem_credentials_modal() wp-admin/includes/file.php

Prints the filesystem credentials modal when needed.
spawn_cron() wp-includes/cron.php

Sends a request to run cron through HTTP request that doesn’t halt page loading.
get_theme_root_uri() wp-includes/theme.php

Retrieves URI for themes directory.
translate_smiley() wp-includes/formatting.php

Converts one smiley code to the icon graphic file equivalent.
rsd_link() wp-includes/general-template.php

Displays the link to the Really Simple Discovery service endpoint.
get_bloginfo() wp-includes/general-template.php

Retrieves information about the current site.
wp_logout_url() wp-includes/general-template.php

Retrieves the logout URL.
wp_login_url() wp-includes/general-template.php

Retrieves the login URL.
wp_registration_url() wp-includes/general-template.php

Returns the URL that allows the user to register on the site.
wp_login_form() wp-includes/general-template.php

Provides a simple login form for use anywhere within WordPress.
do_robots() wp-includes/functions.php

Displays the default robots.txt file content.
WP_Widget_RSS::widget() wp-includes/widgets/class-wp-widget-rss.php

Outputs the content for the current RSS widget instance.
includes_url() wp-includes/link-template.php

Retrieves the URL to the includes directory.
network_site_url() wp-includes/link-template.php

Retrieves the site URL for the current network.
get_the_password_form() wp-includes/post-template.php

Retrieves protected post password form content.
WP_Rewrite::mod_rewrite_rules() wp-includes/class-wp-rewrite.php

Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess.
wp_redirect_admin_locations() wp-includes/canonical.php

Redirects a variety of shorthand URLs to the admin.
newblog_notify_siteadmin() wp-includes/ms-functions.php

Notifies the network admin that a new site has been activated.
wpmu_signup_user_notification() wp-includes/ms-functions.php

Sends a confirmation request email to a user when they sign up for a new user account (without signing up for a site at the same time). The user account will not become active until the confirmation link is clicked.
wp_xmlrpc_server::blogger_getUsersBlogs() wp-includes/class-wp-xmlrpc-server.php

Retrieve blogs that user owns.
wp_xmlrpc_server::wp_getUsersBlogs() wp-includes/class-wp-xmlrpc-server.php

Retrieve the blogs of the user.
comment_form() wp-includes/comment-template.php

Outputs a complete commenting form for use within a template.
wp_default_styles() wp-includes/script-loader.php

Assigns default styles to $styles object.
wp_default_scripts() wp-includes/script-loader.php

Registers all WordPress scripts.

Changelog

Version Description
3.0.0 Introduced.

© 2003–2022 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/site_url