WordPress Version: 6.3
/**
* Gets a full site URL, given a site ID.
*
* @since MU (3.0.0)
*
* @param int $blog_id Site ID.
* @return string Full site URL if found. Empty string if not.
*/
function get_blogaddress_by_id($blog_id)
{
$bloginfo = get_site((int) $blog_id);
if (empty($bloginfo)) {
return '';
}
$scheme = parse_url($bloginfo->home, PHP_URL_SCHEME);
$scheme = empty($scheme) ? 'http' : $scheme;
return esc_url($scheme . '://' . $bloginfo->domain . $bloginfo->path);
}