Image in db en er weer uit

<?php
ob_start;
$handle = fopen($img, "rb");
do {
    $data = fread($handle, 8192);
    if (strlen($data) == 0) {
        break;
    }
    $contents .= $data;
} while(true);
fclose($handle);
mysql_connect("localhost", "login", "pass");
mysql_select_db("database");
mysql_query("INSERT INTO test (data_img) VALUES ('".base64_encode($contents)."')");
$id = mysql_insert_id();
$sql = mysql_query("SELECT * FROM test WHERE num_img=".$id."");
$row = @mysql_fetch_array ($result);
header("Content-type: image/gif");
$image = $row["data_img"];
echo base64_decode($image);
?>

<?php
ob_start;
$handle = fopen($img, "rb");
do {
    $data = fread($handle, 8192);
    if (strlen($data) == 0) {
        break;
    }
    $contents .= $data;
} while(true);
fclose($handle);
mysql_connect("localhost", "login", "pass");
mysql_select_db("database");
mysql_query("INSERT INTO test (data_img) VALUES ('".base64_encode($contents)."')");
$id = mysql_insert_id();
$sql = mysql_query("SELECT * FROM test WHERE num_img=".$id."");
$row = @mysql_fetch_array ($result);
header("Content-type: image/gif");
$image = $row["data_img"];
echo base64_decode($image);
?>