javascript's window.location() is probably what you want. php is strictly server side. meaning that you can't control the browser via php. javascript on the other hand, is client side and has what you are looking for.
Also keep in mind that javascript is a client side language so the user must have it enabled in their browser. So relying on it to do crucial functionality where you want every user to have this feature never works out to well.
neolegionar, can you be a bit more specific? Seems all you want is a redirect: header('Location: http://example.com'); PHP: