02 Mail Contact 04

HTML Form
Check For Empty Control Values
Check For Valid Email
Check For Suspect Strings
Controls Are Sticky
Debug: Post, Errors, Missing

Debug Code

$_SERVER["SCRIPT_NAME"]
/php/assignments/02-mail/contact-04.php

print_r($_GET)
Array
(
)


print_r($_POST)
Array
(
)


print_r($_SESSION)
Array
(
)


print_r($_FILES)
Array
(
)


<?php
# Email Validation and Sending
$errors = [];
$missing = [];
// check if the form has been submitted
if ($_SERVER['REQUEST_METHOD'] == 'POST') {

    // email processing script
    $to = 'robert@nwtc-web.com';
    $subject = 'Feedback from Japan Journey';
    // list expected fields
    $expected = ['name', 'email', 'comments'];
    // set required fields
    $required = ['name', 'email', 'comments'];

    # Not loading via include - showing here for demo only...
    // require('processmail_05.php');
    // pattern to locate suspect phrases
    $pattern = '/[\s\r\n]|Content-Type:|Bcc:|Cc:/i';
    // check the submitted email address
    $suspect = preg_match($pattern, $_POST['email']);

    if (!$suspect) {
        foreach ($_POST as $key => $value) {
            // strip whitespace from $value if not an array
            if (!is_array($value)) {
                $value = trim($value);
            }
            if (!in_array($key, $expected)) {
                // ignore the value, it's not in $expected
                continue;
            }
            if (in_array($key, $required) && empty($value)) {
                // required value is missing
                $missing[] = $key;
                $$key = "";
                continue;
            }
            $$key = $value;
        }
    }
    // validate the user's email
    if (!$suspect && !empty($email)) {
        $validemail = filter_input(INPUT_POST, 'email', FILTER_VALIDATE_EMAIL);
        if ($validemail) {
            $headers[] = "Reply-To: $validemail";
        } else {
            $errors['email'] = true;
        }
    }


    # END: require('processmail_05.php');

} // close: if ($_SERVER['REQUEST_METHOD'] == 'POST'))










$tools = true; // Robert's Custom Variable (Do Not Use)
# The header section of the layout.
include("{$_SERVER["DOCUMENT_ROOT"]}/php/includes/header.php");
?>
<main>
    <h2><?= $folder_name; ?>
        <span><?= $file_name; ?></span>
    </h2>
    <h2>
        HTML Form
        <br>Check For Empty Control Values
        <br>Check For Valid Email
        <br>Check For Suspect Strings
        <br>Controls Are Sticky
        <br>Debug: Post, Errors, Missing
    </h2>
    <?php if ($_POST && $suspect) { ?>
        <p class="error">Sorry, your mail could not be sent. Please try later.</p>
    <?php } elseif ($missing || $errors) { ?>
        <p class="error">Please complete the missing item(s) indicated.</p>
    <?php } ?>
    <form id="feedback" method="post">
        <fieldset>
            <legend><?php echo $file_name; ?></legend>
            <ol>
                <li<?php if ($missing && in_array('name', $missing)) echo ' class="error"'; ?>>
                    <?php if ($missing && in_array('name', $missing)) { ?>
                        <strong>Please enter your name</strong>
                    <?php } ?>
                    <label for="name">Name:</label>
                    <input name="name" id="name" type="text" class="formbox" <?php if (isset($name)) {
                                                                                    echo 'value="' . htmlentities($name, ENT_COMPAT, 'UTF-8') . '"';
                                                                                } ?>>
                    </li>
                    <li<?php if (($missing && in_array('email', $missing)) || (isset($errors['email']))) echo ' class="error"'; ?>>
                        <?php if ($missing && in_array('email', $missing)) { ?>
                            <strong>Please enter your email</strong>
                        <?php } elseif (isset($errors['email'])) { ?>
                            <strong>Invalid email address</strong>
                        <?php } ?>
                        <label for="email">Email:</label>
                        <input name="email" id="email" type="text" class="formbox" <?php if (isset($email)) {
                                                                                        echo 'value="' . htmlentities($email, ENT_COMPAT, 'UTF-8') . '"';
                                                                                    } ?>>
                        </li>
                        <li<?php if ($missing && in_array('comments', $missing)) echo ' class="error"'; ?>>
                            <?php if ($missing && in_array('comments', $missing)) { ?>
                                <strong>Please enter your comments</strong>
                            <?php } ?>
                            <label for="comments">Comments:</label>
                            <textarea name="comments" id="comments" cols="60" rows="8"><?php
                                                                                        if (isset($comments)) {
                                                                                            echo htmlentities($comments, ENT_COMPAT, 'UTF-8');
                                                                                        } ?></textarea>
                            </li>
                            <li>
                                <input name="send" id="send" type="submit" value="Send message">
                            </li>
            </ol>
        </fieldset>
    </form>

    <h2>Debug Code</h2>
    <pre class="line-numbers">
<code class="language-php">

<?php if ($_POST) {
    echo '$_POST: ';
    print_r($_POST);
} ?>

<?php if ($errors) {
    echo '$errors: ';
    print_r($errors);
} ?>

<?php if ($missing) {
    echo '$missing: ';
    print_r($missing);
} ?>

<?php if (isset($name)) echo '$name: ' . $name; ?>

<?php if (isset($email)) echo '$email: ' . $email; ?>

<?php if (isset($comments)) echo '$comments: ' . $comments; ?>

</code>
</pre>


</main>
<?php
include("{$_SERVER["DOCUMENT_ROOT"]}/php/includes/sidebar.php");
include("{$_SERVER["DOCUMENT_ROOT"]}/php/includes/footer.php");
?>

02 Mail Contact 04

HTML Form Check For Empty Control Values Check For Valid Email Check For Suspect Strings Controls Are Sticky Debug: Post, Errors, Missing

Debug Code

HTML Form
Check For Empty Control Values
Check For Valid Email
Check For Suspect Strings
Controls Are Sticky
Debug: Post, Errors, Missing