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Veronica's Cookie Example

This is an example of how a COOKIE works.

Enter your favorite and least favorite kinds of cookies (chocolate chip, ginger snap, etc.) below.
Click Submit to write a COOKIE to your computer using the first and second cookie variables you provided.
Click Refresh to read the COOKIE from your computer and display it below.
Click Delete to delete the COOKIE from your computer.
Then click Refresh to see the COOKIE was deleted from your computer and is no longer displayed below.
Or, the COOKIE will automatically expire in 20 seconds. To see this happen, wait 20 seconds and Refresh.

The current value of the cookies cookie is:

CODE FOLLOWS


<?php



// set error reporting to all

error_reporting(E_ALL);

$self = basename($_SERVER['SCRIPT_NAME']);



// variables

$c = '';

$favorite = '';

$least_favorite = '';



$submit = isset($_POST['submit']) ? $_POST['submit'] : null;



switch ($submit)

{

    case 'Submit':



        $favorite = isset($_POST['favorite']) ? $_POST['favorite'] : null;

        $least_favorite = isset($_POST['least_favorite']) ? $_POST['least_favorite'] : null;



        if (($favorite != null && $least_favorite != null))

        {

            $full_variable = $favorite . ', ' . $least_favorite;  // +60*60*24*365 = 1 year

            setcookie('variable', $full_variable, time() + 20);    // NOTE: +60 = 60 seconds    (+3600 = one hour)

        }

        break;



    case 'Refresh':

        break;



    case 'Delete Cookie':



        /* Note the time is set to past so the cookie will time out */

        setcookie('variable', '', time() - 86400);    // -86400 = -one day (-24 hours/yesterday)

        break;

}



if (isset($_COOKIE['variable']))

{

    $c = $_COOKIE['variable'];

}



include('includes/header.php');

?>



<h1>Veronica's Cookie Example</h1>



<h2>

    This is an example of how a COOKIE works.

</h2>



<ul class="circle">

    <li>Enter your favorite and least favorite kinds of cookies (chocolate chip, ginger snap, etc.) below.</li>

    <li>Click Submit to write a COOKIE to your computer using the first and second cookie variables you provided.</li>

    <li>Click Refresh to read the COOKIE from your computer and display it below.</li>

    <li>Click Delete to delete the COOKIE from your computer.</li>

    <li>Then click Refresh to see the COOKIE was deleted from your computer and is no longer displayed below.</li>

    <li>Or, the COOKIE will automatically expire in 20 seconds. To see this happen, wait 20 seconds and

        Refresh.

    </li>

</ul>



<p>

    The current value of the cookies cookie is: <span class="red"><?php echo($c); ?> </span>

</p>



<hr>



<form name="my_form" action="<?php echo($self); ?>" method="post">

    <table>



        <fieldset>

            <legend>Cookie Data</legend>

            <br>

            <label for="favorite">Favorite Cookie:</label>

            <input type="text" size="36" id="favorite" name="favorite" value="">

            <br><br>

            <label for="least_favorite">Least Favorite Cookie:</label>

            <input type="text" size="36" id="least_favorite" name="least_favorite" value="">

            <br><br>

        </fieldset>



    </table>

    <br>

    <input type="submit" name="submit" value="Submit">

    <input type="submit" name="submit" value="Refresh">

    <input type="submit" name="submit" value="Delete Cookie">

</form>



<br>



<?php

include('includes/footer.php');

?>

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