Redirect in PHP

Question

i am new in php. i want to redirect to login page or some other page is some conditions get ture like session is invaid. so tell me how can i do that.

thanks in advance

Answer 1

if((!$session->logged_in) || (($session->num != $_GET[num]) && ($session->num != $_POST[num])))
{
header("Location:websiteaddresshere");
exit;
}

or use switch condition