<?php
$servername = "localhost";
$dbusername = "";
$dbpassword = "";
$dbname = "";

$first_name = $_POST ['first_name'];
$last_name = $_POST ['last_name'];
$email = $_POST ['email'];
$optin = $_POST ['optin'];

$conn = new mysqli($servername, $dbusername, $dbpassword, $dbname);

if ($conn->connect_error){
	die("Connection Error: " . $conn->connect_error);
}

if (empty($first_name)) {
	echo "First name cannot be left blank";
	die();
}

if (empty($last_name)) {
	echo "Last name cannot be left blank";
	die();
}

if (empty($email)) {
	echo "Email cannot be left blank";
	die();
}

$captcha = check_input($_POST['captcha']);

if (!captcha ==("/5/", $captcha))
{
echo ("Wrong Answer");
}


$data = "INSERT INTO registration (first_name, last_name, email, optin)
VALUES ('$first_name', '$last_name', '$email', '$optin')";

if ($conn->query($data) === TRUE) {
	echo readfile("thanks.html");
}
else {
	echo "Connection Error: " . $data . "<br>" . $conn->error;
}

$conn->close();

?>