Get and Post data method with socket connection in PHP

    function httpSocketConnection($host, $method, $path, $data)
        {
            global $Db;
           
          
            $method = strtoupper($method);       
           
            if ($method == "GET")
            {
                $path.= '?'.$data;
            }   
           
            $filePointer = fsockopen($host, 80, $errorNumber, $errorString);
           
            if (!$filePointer)
            {
                throw new Exception("Chyba spojeni $errorNumber $errorString");
            }
   
            $requestHeader = $method." ".$path."  HTTP/1.1\r\n";
            $requestHeader.= "Host: ".$host."\r\n";
            $requestHeader.= "User-Agent:      Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0\r\n";
            $requestHeader.= "Content-Type: application/x-www-form-urlencoded\r\n";
   
            if ($method == "POST")
            {
                $requestHeader.= "Content-Length: ".strlen($data)."\r\n";
            }
           
            $requestHeader.= "Connection: close\r\n\r\n";
           
            if ($method == "POST")
            {
                $requestHeader.= $data;
            }           
   
            fwrite($filePointer, $requestHeader);
           
            $responseHeader = '';
            $responseContent = '';
   
            do
            {
                $responseHeader.= fread($filePointer, 1);
            }
            while (!preg_match('/\\r\\n\\r\\n$/', $responseHeader));
           
           
            if (!strstr($responseHeader, "Transfer-Encoding: chunked"))
            {
                while (!feof($filePointer))
                {
                    $responseContent.= fgets($filePointer, 128);
                }
            }
            else
            {
   
                while ($chunk_length = hexdec(fgets($filePointer)))
                {
                    $responseContentChunk = '';
               
                   
                    $read_length = 0;
                   
                    while ($read_length < $chunk_length)
                    {
                        $responseContentChunk .= fread($filePointer, $chunk_length - $read_length);
                        $read_length = strlen($responseContentChunk);
                    }
   
                    $responseContent.= $responseContentChunk;
                   
                    fgets($filePointer);
                   
                }
               
            }
   
          
           
           
            return chop($responseContent);

        }