<?php

if(isset($_GET['New'])):
CreateForm_NewUser();
else:
CreateForm_TestUser();
endif;

if(isset($_POST['validate'])):

if($_POST['validate']=="REGISTER"):
Write_DB($_POST['Naam'],$_POST['Username'],$_POST['Password'])
else:
function Validate_User();
endif;

function Read_DB(){
    $Mysqli = new mysqli('localhost','root','','6IB');
    $SqlString ="select * from Logins";
    $StrResult =$Mysqli->Query($SqlString);
    echo "<Table border=1>";
    while ($StrRij = $StrResult->fetcharray()){
        echo "<tr><td>". $StrRij['Logins_Naam'] . "</td><td>" . $StrRij['Logins_Usernames'] . "</td><td>" .
$StrRij['Logins_Passwords'] . "</td></tr>";
    }
    $Mysqli->close();
}
function Write_DB($F_Naam,$F_Username,$F_Password){
    $Mysqli = new mysqli('localhost','root','','6IB');
    $SqlString = "INSERT INTO Logins(Logins_Naam, Logins_Usernames, Logins_Passwords) VALUES
    ('$F_Naam','$F_Username','$F_Password')";
// echo $SqlString;
    $Mysqli->Query($SqlString);
    $Mysqli->close();
}

function CreateForm_NewUser(){
echo <<<NewUser
<form action="login.php" method="POST">
    <p align="center" class="titel">Login or register</p>
    <table border=1 width=100%>
    <tr>
        <td align="center">
            <table>
                <td>Naam:</td>
                <td><input type="text" name="Naam" /></td>
            </tr>
            <tr>
                <td>Username:</td>
                <td><input type="text" name="Username" /></td>
            </tr>
            <tr>
                <td>Password:</td>
                <td><input type="text" name="Password" /></td>
            </tr>
            <tr>
                <td></td>
                <td><input type="submit" name="validate" value="REGISTER" /></td>
            </tr>
        </table>
    </table>
</form>
NewUser;
}
function CreateForm_TestUser(){
echo <<<TestUser
<form action="login.php" method="POST">
    <p align="center" class="titel">Login or register</p>
    <table border=1 width=100%>
    <tr>
        <td align="center">
            <table>
                <td>User:</td>
                <td><input type="text" name="User" /></td>
            </tr>
            <tr>
                <td>Password:</td>
                <td><input type="text" name="Password" /></td>
            </tr>
            <tr>
                <td><a href="login.php?New=Y" value="Register">Register</a></td>
                <td><input type="submit" name="validate" value="LOGIN" /></td>
            </tr>
        </table>
    </table>
</form>
TestUser;
}
function Validate_User(){
if(isset)
}

?>