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Gabriel's $_GET form

CODE FOLLOWS

<?php



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



    // code

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



    echo('<h1>Gabriel\'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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