get_feedback.php

 <?php

      $servername = "localhost";
      $username = "root";
      $password = "root";
      $database = "dummyServer";
      // Create connection
      $conn = mysqli_connect($servername, $username, $password,$database);
      // Check connection
      if (!$conn)
      {
        die("Connection failed: " . mysqli_connect_error());
      }
      //echo "Connected successfully ";

      if ($_SERVER["REQUEST_METHOD"] == "POST")
      {
        $id = urldecode($_POST['Id']);
        //$id=1;
        $sql = "SELECT feedback from INFORMATION WHERE id = ".$id;
        //echo $sql;
        $result = mysqli_query($conn, $sql);

$xml=<<<XML
<Information></Information>
XML;
    $xml=simplexml_load_string($xml);

    if (mysqli_num_rows($result) > 0)
    {
      $i=0;
      // output data of each row
      while($row = mysqli_fetch_assoc($result))
      {
        $xml->addChild("Feedbacks");
        $xml->Feedbacks[$i]->addChild("feedback",$row["feedback"]);
        $i=$i+1;
      }
    }
      $dom = new DOMDocument("1.0");
      $dom->preserveWhiteSpace = false;
      $dom->formatOutput = true;
      $dom->loadXML($xml->asXML());
      echo "<pre>".htmlentities($dom->saveXML())."</pre>";
      }
    ?>