WordPress Version: 6.1
/**
* Ensures that the current site's domain is listed in the allowed redirect host list.
*
* @see wp_validate_redirect()
* @since MU (3.0.0)
*
* @param array|string $deprecated Not used.
* @return string[] {
* An array containing the current site's domain.
*
* @type string $0 The current site's domain.
* }
*/
function redirect_this_site($deprecated = '')
{
return array(get_network()->domain);
}