Need help reconstructing two class files that are missing.

I have a project that I had someone make years ago. I decided to revive the project and im missing two files. I don't know jQuery, and im a novice with PHP.

1) First take a look at the screenshot. This a zoomed out look at the form. Each section is really it's own PHP file that should only show after the previous submission. I posted the code from one of the sections on the form.
2) Notice the two lines that require Dbmodule and Validation.
3) There is a jquery folder with two files which I also attached.
Obviously the dbmodule is most likely database connection information but im unsure about the validation class file because I assume it's using the jquery. The project is bigger than it looks and this is why im not resorting to recreating it just yet. Thanks for your help. I also assume the validation class file is what gives the form the characteristics such as sliding and hiding fields.


if (isset($_POST['hpi_save']) && $_POST['hpi_save'] == 'hpi_sent')
	$db = new DBmodule();
	$fields = array('Customers_id', 'q1', 'q2', 'q3', 'q4', 'q5');
	$values = array($_POST['Customer_id'], $_POST['hpi_1'], $_POST['hpi_2'], $_POST['hpi_3'], $_POST['hpi_4'], $_POST['hpi_5']);
	if (!empty($_POST['hpi_id']))
		$id = $_POST['hpi_id'];
		if ($db->update('hpi', $fields, $values, $id))
			echo "Your update was successful.";
			echo "Your update failed.";
		$lastid = $db->insert('hpi', $fields, $values);
		if ($lastid > 0)
			echo "Customer information successfully added.";
			echo "Customer information failed to add.";	
	echo "hpi_save not set";


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Ray PaseurCommented:
Is there a question we can answer here?  It seems more like a requirement for application development than a question, and for that you might want to consider hiring an application developer.  I haven't read the jQuery file (I'm understandably reluctant to open a zip file from an unknown source), but I can tell you that it is very unlikely a PHP professional would write anything like the PHP code that is posted here.  My recommendation would be to refactor it or rewrite it from the ground up, perhaps with a modern framework like Laravel.  It looks like a data collection application, probably one that uses HTML forms to put information into a MySQL database.  This sort of thing can be done quickly and easily with any modern framework.

If you're new to PHP and want to learn the language, this article can lead you to dependable learning resources.

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cnl83Author Commented:
I've requested that this question be deleted for the following reason:

It was a longshot
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