Obtenha URL do site com protocolo no PHP
function siteURL() {
$protocol = ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') ||
$_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
$domainName = $_SERVER['HTTP_HOST'];
return $protocol.$domainName;
}
beFunny ;(