public static function curlInit()
{
if (!empty(self::$handle)) {
curl_close(self::$handle);
}
self::$user_agent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US)' . ' AppleWebKit/532.0 (KHTML, like Gecko)' . ' Chrome/3.0.195.32 Safari/532.0';
self::$max_redirects = 5;
self::$connect_timeout = 0.5;
self::$handle = curl_init();
curl_setopt(self::$handle, CURLOPT_USERAGENT, self::$user_agent);
curl_setopt(self::$handle, CURLOPT_CONNECTTIMEOUT, self::$connect_timeout);
curl_setopt(self::$handle, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt(self::$handle, CURLOPT_AUTOREFERER, TRUE);
curl_setopt(self::$handle, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt(self::$handle, CURLOPT_FILETIME, TRUE);
curl_setopt(self::$handle, CURLOPT_MAXREDIRS, self::$max_redirects);
curl_setopt(self::$handle, CURLOPT_HTTPHEADER, array('Expect:'));
curl_setopt(self::$handle, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt(self::$handle, CURLOPT_HEADER, TRUE);
curl_setopt(self::$handle, CURLOPT_NOBODY, FALSE);
}