Description:
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when i download file , the file is corrupt becouse it download only 65 kbyte from the file although the size of the file is 10 mega 
and the files type i download is documents word and pdf file



Test script:
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<?php 
session_start();
if(isset($_GET['pro_Id_down'])){
}
require("index.php");
$pro_Id_down = $_GET['pro_Id_down'];
$sqldown = "select * from proposal where P_Id= '$pro_Id_down'";
$query = mysql_query($sqldown);
$result = mysql_fetch_assoc($query);
$type = $result['type'];
$file = $result['File'];
$size = $result['size'];
$name = $result['filename'];

header("Content-type: $type");
header("Content-type: $type");
header("Content-length: $size");
header("Content-Disposition: filename = $name ");
header("Cache-control: private");
header('Content-Transfer-Encoding: binary');
   
 echo $file;
?>

Expected result:
----------------
when downloading the file the file download stoped at 65 kbyte and file corrupt 

Actual result:
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what can i do please ??