GetRA_API.php

<?php
    //  Serving RA_API.php file

	$yourfile = "RA_API.php";

    $fp = @fopen($yourfile, 'rb');

    if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE"))
	{
		header('Content-Type: "application/octet-stream"');
		header('Content-Disposition: attachment; filename="RA_API.php"');
		header('Expires: 0');
		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
		header("Content-Transfer-Encoding: binary");
		header('Pragma: public');
		header("Content-Length: ".filesize($yourfile));
	}
	else
	{
		header('Content-Type: "application/octet-stream"');
		header('Content-Disposition: attachment; filename="RA_API.php"');
		header("Content-Transfer-Encoding: binary");
		header('Expires: 0');
		header('Pragma: no-cache');
		header("Content-Length: ".filesize($yourfile));
	}

	fpassthru($fp);
	fclose($fp);

?>