connection, $data)
{
if($_SERVER == '/favicon.ico')
{
return $connection->send("HTTP/1.0 404 Notis_file($file_name))
{
$connection->send("HTTP/1.0 404 File Not Found\r\nContent-Length:18\r\n\r\n404 File Not Found", true);
return;
}
// ======发送http头======
$file_size