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<?php

$servername = "localhost";
$username = "root";
$password = "";
$dbname = "docbox";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
session_start();
$currentfile=$_SESSION['currentfileid'];
   $query ="SELECT name,data,mime FROM filedatabase WHERE id=$currentfile ";
         $result=$conn->query($query);

         if ($result->num_rows > 0) {
              $row = $result->fetch_assoc();

              $imageData=$row['data'];
              $imageType=$row['mime'];
              $filename=$row['name'];

header("Content-disposition: attachment; filename=$filename");
              header("content-type:application/octet-stream");

              die($imageData);
             // echo $imageData;
            }
          ?>