WordPress Version: 5.5
/**
* 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);
}