site_url() WP 1.0

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.

No Hooks.

Return

String. Site URL link with optional path appended.

Usage

site_url( $path, $scheme );

$path(string)

Path relative to the site URL.
Default: ''

$scheme(string)

Scheme to give the site URL context. See set_url_scheme().
Default: null

Code of site url: wp-includes/link-template.php ^{WP 5.2.1}

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

Related Functions

From tag: Link (URL)

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