/**
* Http request
*
* @param string $uri
* @param array $opts @see http://cn2.php.net/manual/en/context.http.php
* @return mixed string if ok or false when error
*/
public static function request($uri, $context)
{
$data = @file_get_contents($uri, null, $context);
self::$_responseHeader = $http_response_header;
return $data;
}
