Не не става дума за база данни.
$title = $_POST['title'];
$file = $_FILES['file'];
...
...
$new_file_name = strtolower($title);
$new_file_name = str_replace(' ', '-', $new_file_name);
$new_file_name = substr($new_file_name, 0, -strlen($ext));
$new_file_name .= '.'.$extension;
$move_file =...