$file_name = (int)$routes[2];
$file = '../../images/'.$file_name;

$sql = "SELECT i.image_filetype as filetype, i.image_type as type, i.image_key "
        . "FROM images i "
        . "WHERE i.image_deleted IS NULL "
        . "AND i.image_id = :filename LIMIT 1";
$results = $db_connect->prepare($sql);
$results->bindParam(':filename', $file_name, PDO::PARAM_INT);
$results->execute();
$db_image = $results->fetchAll(PDO::FETCH_ASSOC);
foreach($db_image as $output){
    // PROFILE PICTURE
    if($output['type'] === '1'){
        if(file_exists($file.'.'.$output['filetype'])){
            $image = file_get_contents($file.'.'.$output['filetype']);
            header('Content-type: image/jpeg);
            echo $image;
        }else{$error_code = 4;}
    }