Kaylyn's Query Demo via POST

Note this DEMO passes a variable (and it's value) via a POST ternary operation. In other words, the name of the variable and it's value is being passed through POST form.

In this example, the INCREASE button increases the identified value by 5. The DECREASE button decreases the identified value by 4.

ID = 0

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CODE FOLLOWS

<?php
include('includes/header.php');

error_reporting(E_ALL);

$id = isset($_POST['id']) ? $_POST['id'] : 0;
?>

    <h1>Kaylyn's Query Demo via POST</h1>

    <p>
        Note this DEMO passes a variable (and it's value) via a POST ternary operation.
        In other words, the name of the variable and it's value is being passed
        through POST form.
    </p>
    <p>
        In this example, the INCREASE button increases the identified value by 5.
        The DECREASE button decreases the identified value by 4.
    </p>

<p>
    ID = <?php echo($id); ?>
</p>

    <form action="" method="POST">

        <input type="hidden" name="id" value="<?php echo($id - 4); ?>">
        <input type="submit" name="submit" value="DECREASE">

    </form>
<br>


    <form action="" method="POST">

        <input type="hidden" name="id" value="<?php echo($id + 5); ?>">
        <input type="submit" name="submit" value="INCREASE">

    </form>

<?php
include('includes/footer.php');
?>

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