download remote file

<?php
if(isset($_GET['download'])){

	$size=get_size($url);
	$mime = "image\/png"; //for PNG Images
	$name = "phones.png";
	$url = "http://notifisolutions.com/img/backup/phones.png";

	if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE)
	{
		header('Content-Type: "' . $mime . '"');
		header('Content-Disposition: attachment; filename="' . $name . '"');
		header('Expires: 0');
		header('Content-Length: '.$size);
		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
		header("Content-Transfer-Encoding: binary");
		header('Pragma: public');
	}
	else
	{
		header('Content-Type: "' . $mime . '"');
		header('Content-Disposition: attachment; filename="' . $name . '"');
		header("Content-Transfer-Encoding: binary");
		header('Expires: 0');
		header('Content-Length: '.$size);
		header('Pragma: no-cache');
	}

	readfile($url);
}

function get_size($url) {
	$my_ch = curl_init();
	curl_setopt($my_ch, CURLOPT_URL,$url);
	curl_setopt($my_ch, CURLOPT_HEADER,         true);
	curl_setopt($my_ch, CURLOPT_NOBODY,         true);
	curl_setopt($my_ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($my_ch, CURLOPT_TIMEOUT,        10);
	$r = curl_exec($my_ch);
	 foreach(explode("\n", $r) as $header) {
		if(strpos($header, 'Content-Length:') === 0) {
			return trim(substr($header,16));
		}
	 }
	return '';
}
?>
<html>
<head><title>Sample Download</title>
</head>
<body>
<h1>Hellcoderz!!</h1>
<p>This will download file from my other server at <a href="http://notifisolutions.com">notifisolutions.com</a>.<br>
The file link is <a href="http://notifisolutions.com/img/backup/phones.png">phones.png</a></p>
<p><a href="?download">Download</a></p>
</body>
</html>