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Ernest's $_POST form

CODE FOLLOWS

<?php

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



// show errors

error_reporting(E_ALL);

ini_set('display_errors', 1);

ini_set('display_startup_errors', 1);



echo("<h1>Ernest's \$_POST form</h1>");



// set variables

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

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

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



// sanitize

$step  = htmlentities($step);

$name  = htmlentities($name);

$phone = htmlentities($phone);



if ($step == 0) {

    ?>

    <form action="post_form.php" method="POST" 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 {

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

    echo("<pre>");

    print_r($_POST);

    echo("</pre>");



    ?>

    <form action="post_form.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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