<? php

    print_r($_POST;);

    //define variables and set to empty values
    $name_error = $email_error = $message_error = "";
    $name = $email = $message ="";

    //form is submitted with post method
    if ($_SERVER["REQUEST_METHOD"] == "POST") {
        if (empty($_POST["name"])) {
        $name_error = "Name is required";
    }
    else {
        $name = test_input($_POST["name"]);
        //check if name only contains letters and whitespace
        if (!preg_match("/^[a-zA-Z ]*$/", $name)) {
            $name_error = "Only letters and spaces are allows in the name";
        }
    }

    if (empty($_POST["email"])) {
        $email_error = "Email is required";
    }
    else {
        $name = test_input($_POST["email"]);
        //check if name only contains letters and whitespace
        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
            $email_error = "Invalid email format";
        }
    }

    if (empty($_POST["message"])) {
        $message_error = "Please write something";
    }
    else {
        $message = test_input($_POST["message"]);
    }
    }


    function test_input($data){
        $data = trim($data);
        $data = stripslashes($data);
        $data = htmlspecialchars($data);
        return $data;
    }

    <!--  // session_start();

    // $email = "";



    // $db = mysqli_connect('localhost', 'root', '', 'signup') or die("could not connect to database");

    // //Register Users

    // $fname = mysqli_real_escape_string($db, $_POST['name']);
    // $lname = mysqli_real_escape_string($db, $_POST['father_name']);
    // $mail = mysqli_real_escape_string($db, $_POST['email']);
    // $pass = mysqli_real_escape_string($db, $_POST['pass']);
    // $address = mysqli_real_escape_string($db, $_POST['address']);
    // $gender = mysqli_real_escape_string($db, $_POST['gender']);
    // $state = mysqli_real_escape_string($db, $_POST['state']);
    // $purchase = mysqli_real_escape_string($db, $_POST['purchase']);
    // $birth_date = mysqli_real_escape_string($db, $_POST['birth_date']);
    // $pincode = mysqli_real_escape_string($db, $_POST['pincode']);
    // $course = mysqli_real_escape_string($db, $_POST['course']);
 -->


?>