create a new curl resource

$ch = curl_init();
// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, "http://www.baidu.com");
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FILETIME, true);
// grab URL
$output = curl_exec($ch);
// Print info
echo '<pre>';
print_r (curl_getinfo($ch));
echo '</pre>';