APO-Epsilon/apo-website

<?php

if(isset($_GET['user_id']) && is_numeric($_GET['user_id'])){
  include ('mysql_access.php');
  $sql = "SELECT content FROM user_photos WHERE user_id=" . $_GET['user_id'] . ";";
  $result = $db->query($sql);
  if(!$result || mysqli_num_rows($result) == 0){
    ;
  }else{
    $image_array = mysqli_fetch_array($result);
    header("Content-type: image/jpeg");
    echo $image_array['content'];
  }
}

?>