[ Posted by Zeusbeer ] Code die btw berekend

fiddle_010735.php

<style type="text/css">
    label {
        float: left;
        display: block;
        width: 150px;
    }
    input {
        display: block;
    }
    .nostyle {
        display: inline;
    }
</style>
<form method="post" action="">
    <label>waarde</label>
    <input type="text" name="waarde">
    <label>percentage</label>
    <input class="nostyle" type="checkbox"
    name="per" value="1.06">
    6%
    <input class="nostyle" type="checkbox"
    name="per" value="1.21">
    21%
    <input type="submit" name="verzenden" value="Verzenden">
</form>

<?php
$waarde1 = 0;
$per = 0;
if(isset(($_POST['verzenden'])))
{

    $waarde1 = $_POST['waarde'];
    $per = $_POST['per'];
    $waarde2 = $per * $waarde1;
    echo "Hey, dit is je nieuwe bedrag: ". $waarde2;
}
$waarde2 = 0;
  
?>