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PHP Enhancing a Simple PHP Application Adding Search: Controller & View Escaping Output Review

stage 5 challenge 1

A visitor to our site has just performed a search for chocolate, which has returned no results. Change this code to display the search term in the search box again, making sure to protect the page against malicious code that might have been entered.

index.php
<?php

require_once("inc/config.php");

$search_term = "";
if (isset($_GET["s"])) {
    $search_term = trim($_GET["s"]);
    if ($search_term != "") {
        require_once(ROOT_PATH . "inc/products.php");
        $products = get_products_search($search_term);
    }
}

$pageTitle = "Search";
$section = "search";
include(ROOT_PATH . "inc/header.php"); ?>

    <div class="section shirts search page">

        <div class="wrapper">

            <h1>Search</h1>

            <form method="get" action="./">
<input type="text" name="s" value="<?php if (isset($search_term)) {echo htmlspecialchars($search_term); }?>">


            </form>

            <?php

                if ($search_term != "") {
                    if (!empty($products)) {
                        echo '<ul class="products">';
                        foreach ($products as $product) {
                            echo get_list_view_html($product);
                        }
                        echo '</ul>';
                    } else {
                        echo '<p>No products were found matching that search term.</p>';
                    }
                }

            ?>

        </div>

    </div>

<?php include(ROOT_PATH . "inc/footer.php"); ?>

1 Answer

Hi,

Assuming you're starting the challenge from the beginning the only thing you should need to change is line 25:

<input type="text" name="s">

would become:

<input type="text" name="s" value="<?php echo htmlspecialchars($search_term); ?>">

Note the value has been added including an escaped search term.

Hope that helps.

-Rich