Micaela's Fabric Calculator

CODE FOLLOWS

<?php



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



// code

error_reporting(E_ALL);    // set error reporting to all



echo('<h1>Micaela\'s Fabric Calculator</h1>');



// Note the variables being passed via the POST ternary operators.



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

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



// filter all input

$step = htmlentities($step);

$inches = htmlentities($inches);



if ($step == 0)    // first time into this form

{

    ?>



    <form action="fabrictoyards.php" method="POST">

        <label for="inches">Enter Inches of Fabric</label>

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

        <br><br>

        <input type="hidden" name="step" value="1">

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

    </form>



    <?php

}

else  // else show what the form gathered

{



    echo('<p>The following is what the form gathered</p>');

    echo('<pre>');

    print_r($_POST);

    echo('</pre>');



    // CALCULATION

    $yards = round($inches / 36, 2);



    echo("<h3>$inches inches is equal to $yards yards.</h3>");

    echo('<br>');

    echo('<img src="../images/seamstress-sewing-machine.gif" alt="Fabric animation" width="300">');



    ?>





    <form action="fabrictoyards.php" method="POST">

        <input type="hidden" name="step" value="0">

        <input type="submit" name="submit" value="Try Again">

    </form>





    <?php

}



include('../includes/footer.php');



?>
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