G1.php


<?php
$vn = $_POST['vn'];
$tv = $_POST['tv'];
$an = $_POST['an'];

$adres = $_POST['adres'];
$postcode = $_POST['postcode'];
$plaats = $_POST['plaats'];

?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        span{
            width:100px;
            style:inline-block;
            text-align:left;
            padding :5px;
        }
    </style>

</head>
<body>
    <?php
    function form1(){
        echo "<form action='' method='post'>";
        echo "\n<div>";
        echo "<span>Voornaam</span>";
        echo "<input type='text' name='vn' placeholder='Voornaam'";
        echo "</div>";
        echo "\n<div>";
        echo "<span>Tussenvoegsel</span>";
        echo "<input type='text' name='tv' placeholder='Tussenvoegsel'";
        echo "</div>";
        echo "\n<div>";
        echo "<span>Achternaam</span>";
        echo "<input type='text' name='an' placeholder='Achternaam'";
        echo "</div>";
        echo "<div><input type='submit' value='Verzenden'></div>";
        echo "</form>";

    }
    function form2(){
        global $vn, $tv, $an;
        echo "<form action='' method='post'>";
        echo "\n<div>";
        echo "<span>Adres</span>";
        echo "<input type='text' name='adres' placeholder='Adres'";
        echo "</div>";
        echo "\n<div>";
        echo "<span>Postcode</span>";
        echo "<input type='text' name='postcode' placeholder='Postcode'";
        echo "</div>";
        echo "\n<div>";
        echo "<span>Woonplaats</span>";
        echo "<input type='text' name='plaats' placeholder='Woonplaats'";
        echo "</div>";
        echo "\n<input type='hidden' name ='vn' value='$vn'>";
        echo "\n<input type='hidden' name ='tv' value='$tv'>";
        echo "\n<input type='hidden' name ='an' value='$an'>";
        echo "\n<div><input type='submit' value='Verzenden'></div>";
        echo "</form>";
    }


    
    if ($adres!=''){
        echo "<div>Welkom $vn $tv $an</div>";
        echo "<div>Uw volledige adres is: $adres $postcode $plaats</div>";

    }
    elseif($vn!=''){
        echo "<div>Welkom $vn $tv $an</div>";
        form2();
    }
    else{
        form1();
        echo $vn;
    }
    ?>
</body>
</html>
Resultaat

Made by Thijs Aarnoudse