stackoverflow code

<head>
<script>
{ background-color:#87CEFA; }
</script>
</head>
<?php
error_reporting(0);

session_start();
$_SESSION["pass"] = $_POST["code"];
$pass = $_POST["code"];


$con=mysqli_connect("localhost","app_app","$pass","app_app");

if (mysqli_connect_errno($con))
  {
  echo "Kan geen verbinding maken, de ingevulde code is verkeerd of de server is offline!";
  echo 'Hello '.$_SESSION["pass"].'!';
  }


$result = mysqli_query($con,"SELECT * FROM ftp");

while($row = mysqli_fetch_array($result))
  {
  $myuser = $row['user'];
  $mypass = $row['pass'];
  $myhost = $row['host'];

$conn_id = ftp_connect($myhost) or die("Couldn't connect to $myhost");


  if (@ftp_login($conn_id, $myuser, $mypass)) {
  $file = $ftp_server['DOCUMENT_ROOT'] . "/home/app/domains/mydomain/public_html/test.html"; //Path to your *.txt file
  $contents = file($file);
  $string = implode($contents);

  echo $string;
  }
 }


mysqli_close($con);
?>