Header() in PHP &html – Refresh (Redirect) to Location (URL) in X seconds,headerinphp Case 1 : Redirect a page to a URL without waiting in PHP. 1 header("Location: index.php"); Case 2 : Redirect a page to an URL after waiting for X seconds in PHP. 1 2 3 4 5 header("Refresh: 5; url=index.php"); echo 'Logged in successfully.'; ?> HTML code to redirect a webpage after X seconds. 1 meta http-equiv="refresh" content="5; url=http://sau.comli.com/">