<?php
function registerUser() {
	mysql_connect('localhost', 'root', '', 'Users');
	$username = $_POST['user'];
	$password = $_POST['password2'];
	$email = $_POST['email'];

	$usernameValid = "YES";
	$passwordValid = "YES";
	$emailValid = "YES";

	$usernameMessage = "";
	$passwordMessage = "";
	$emailMessage = "";

	$finalPassword = "";

	if (strlen($username) <3) {
		$usernameValid == "YES";
	} else {
		$usernameMessage == "Username is too short.";
		$usernameValid == "NO";
	}

	if ($password == $password2) {
		passwordValid == "YES";
		$finalPassword == md5($_POST['password']);
	} else {
		$passwordMessage == "Invalid password.";
		$passwordValid == "NO";
	}

	if((usernameValid == "YES") && (passwordValid == "YES")) {
		$sql = "INSERT INTO tblUsers (fldUsername, fldPassword, fldEmail) VALUES ($username, $password, $email);";
		mysql_query($sql);
		echo "<center>Registration successful. You may now login.";
		echo "You will be redirected to the homepage in <b>5</b> seconds...</center>";
	} else {
		echo $passwordMessage;
		echo $usernameMessage;
		echo $emailMessage;
	}

}

?>