p>

Try with this code

$url = "www.abc.com/xyz";//your url will come here
$fp = fopen ('test.txt', 'w+');
$ch = curl_init(str_replace(" ","%20",$url));
curl_setopt($ch, CURLOPT_TIMEOUT, 100);
curl_setopt($ch, CURLOPT_FILE, $fp); 
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_exec($ch); 
curl_close($ch);
fclose($fp);