PHP Refresh Output Buffer code

<?php Tutorial

function Throw_error ($message) {
$error _page = "/err/error.php";

$error _url = $error _page;
$error _url. = "? redirect_error_notes= $message ";
$error _url. = "&redirect_url=". $GLOBALS ["Php_self"];
$error _url. = "&redirect_request_method= $REQUEST _method";
$error _url. = "&redirect_status=501";
Header ("status:501");
Header ("Location: $error _url");
Exit
}

Ob_start ();
Use output buffering to output errors anywhere on this page

if (!condition) {
Throw_error ("The condition Failed");
}

Ob_end_flush ();
Page processing complete, refresh output buffer