Ka Yee's $_GET form

Name

Phone

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CODE FOLLOWS

<?php
  include ('includes/header.php');
  // code
    error_reporting(E_ALL);    // set error reporting to all

    echo('<h1>Ka Yee\'s $_GET form</h1>');

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

    $step = isset($_GET['step']) ? $_GET['step'] : 0;
    $name = isset($_GET['name']) ? $_GET['name'] : '';
    $phone = isset($_GET['phone']) ? $_GET['phone'] : '';

    // filter all input taken from the Browser

    $step = htmlentities($step);
    $name = htmlentities($name);
    $phone = htmlentities($phone);

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

            <form action="getform.php" method="GET" class="pad">
                <label for="name">Name</label>
                <input type="text" size="36" id="name" name="name" value="">
                <br><br>
                <label for="phone">Phone</label>
                <input type="text" size="36" id="phone" name="phone" value="">
                <br><br>
                <input type="hidden" name="step" value="1">
                <input type="submit" name="submit" value="Submit">
            </form>

            <?php
        }
    else  // else show what the form gathered
        {

        echo('<p>The following is what the form gathered</p>');
        echo('<pre>');
        print_r($_GET);    // note this dumps the entire contents of the $_GET array
        echo('</pre>');

        // provide a form to try again
        ?>

            <form action="getform.php" method="GET">
                <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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