<?php
$response = array();

if (isset($_POST['fio']) && isset($_POST['login']) && isset($_POST['pass']) && isset($_POST['email']) && isset($_POST['question']) && isset($_POST['answer'])) {

    $fio = $_POST['fio'];
    $login = $_POST['login'];
    $pass = $_POST['pass'];
    $email = $_POST['email'];
    $question = $_POST['question'];
    $answer = $_POST['answer'];

    require_once __DIR__ . '/db_connect.php';
    $db = new DB_CONNECT();
    $result = mysql_query("INSERT INTO registration_data(fio, login, pass, email, question, answer) VALUES('$fio', '$login', '$pass', '$email', '$question', '$answer')");

    if ($result) {

        $response["success"] = 1;
        $response["message"] = "User successfully created.";
 	include 'send_registration_email.php';
    } else {
    }
} else {

}

?>

<?php
require_once __DIR__ . '/db_connect.php';
$db = new DB_CONNECT();
$result = mysql_query("SELECT * FROM registration_data where email = '$email'");
echo "SELECT * FROM registration_data where email = '$email'";
    if (!empty($result)) {
        if (mysql_num_rows($result) > 0) {
            $result = mysql_fetch_array($result);
            $userdata = array();
            $userdata["user_id"] = $result["user_id"];
            $userdata["pass"] = $result["pass"];	
	     $userdata["fio"] = $result["fio"];
	     $userdata["login"] = $result["login"];			
	     $to = "$email";
            $subject = "Hello, ".$userdata["fio"];
	     $message = "Thanks for the registration, ".$userdata["login"]."\nYour registration data:"."\nUser ID: ".$userdata["user_id"]."\nPassword: ".$userdata["pass"];

	     $headers = 'From: admin@messenger.com' . "\r\n" .
            'Reply-To: admin@messenger.com' . "\r\n" .
            'X-Mailer: PHP/' . phpversion();
            mail($to, $subject, $message, $headers);

        } else {
        }
    } else {
    }