Get curl header

gistfile1.txt

<?php

$ch = curl_init('http://cts-web-api.cloudapp.net/api/hotels?destination=mgm');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Range: items=1-5'));

$response = curl_exec($ch);

$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $header_size);
$body = substr($response, $header_size);

echo '<pre>';
print_r($header_size);
print_r($header);
print_r($body);
exit;