register

<?php
    $con = mysqli_connect("localhost", "id1376756_db", "0545564887", "id1376756_shlomi205");

    $first_name = $_POST["first_name"];
    $last_name= $_POST["last_name"];
    $email =$_POST["email"];
    $username= $_POST["user_name"];
    $password = $_POST["password"];

    $statement = mysqli_prepare($con, "INSERT INTO user (first_name, last_name, email, user_name, password) VALUES (?, ?, ?, ?,?)");
    mysqli_stmt_bind_param($statement, "siss", $first_name,$last_name, $email, $username $password);
    mysqli_stmt_execute($statement);

    $response = array();
    $response["success"] = true;

    echo json_encode($response);
?>