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PHP Build a Basic PHP Website (2018) Enhancing a Form Escaping Output

Posted by Naison Masiyashe
Naison Masiyashe
2,736 Points

how do i escape out

i am stuck on this code

views_listing_edit.php 
<?php require_once("controllers_listing.php"); ?><html>
<body>

    <h1>Edit Listing</h1>

    <form method="post">
        <table>
            <tr>
                <th>
                    <label for="name">Name</label>
                </th>
                <td>
                    <input id="name" name="name" value="<?php echo $listing_name; ?>">
                </td>
            </tr>
            <tr>
                <th>
                    <label for="Link">Link</label>
                </th>
                <td>
                    <input id="link" name="link" value="<?php echo $listing_link; ?>">
                </td>
            </tr>
            <tr>
                <th>
                    <label for="Description">Description</label>
                </th>
                <td>
                    <textarea id="description" name="description"><?php echo htmlspecialchars($_POST["details"] . $listing_description; ?></textarea>
                </td>
            </tr>    
        </table>
        <input type="submit" value="Save">
    </form>

</body>
</html>

1 Answer

Sergey Podgornyy
Sergey Podgornyy
20,660 Points
Sergey Podgornyy
Sergey Podgornyy
20,660 Points

put inside of the function 

htmlspecialchars();

variables that are in php tags

<?php require_once("controllers_listing.php"); ?><html>
<body>

    <h1>Edit Listing</h1>

    <form method="post">
        <table>
            <tr>
                <th>
                    <label for="name">Name</label>
                </th>
                <td>
                    <input id="name" name="name" value="<?php echo htmlspecialchars($listing_name); ?>">
                </td>
            </tr>
            <tr>
                <th>
                    <label for="Link">Link</label>
                </th>
                <td>
                    <input id="link" name="link" value="<?php echo htmlspecialchars($listing_link); ?>">
                </td>
            </tr>
            <tr>
                <th>
                    <label for="Description">Description</label>
                </th>
                <td>
                    <textarea id="description" name="description"><?php echo htmlspecialchars($listing_description); ?></textarea>
                </td>
            </tr>    
        </table>
        <input type="submit" value="Save">
    </form>

</body>
</html>