Example Form

This is an example PHP form that processes user information, checks for errors, and validates the captcha code.
This example form also demonstrates how to submit a form to itself to display error messages.

There was a problem with your submission. Errors are displayed below in red.

The captcha was correct and the message has been sent! The captcha was solved in seconds.

\n"; echo Securimage::getCaptchaHtml($options); echo "\n
\n"; /* // To render some or all captcha components individually $options['input_name'] = 'ct_captcha_2'; $options['image_id'] = 'ct_captcha_2'; $options['input_id'] = 'ct_captcha_2'; $options['namespace'] = 'captcha2'; echo "
\n
\n"; echo Securimage::getCaptchaHtml($options, Securimage::HTML_IMG); echo Securimage::getCaptchaHtml($options, Securimage::HTML_ICON_REFRESH); echo Securimage::getCaptchaHtml($options, Securimage::HTML_AUDIO); echo '
'; echo Securimage::getCaptchaHtml($options, Securimage::HTML_INPUT_LABEL); echo Securimage::getCaptchaHtml($options, Securimage::HTML_INPUT); echo "\n
"; */ ?>


$value) { if (!is_array($key)) { // sanitize the input data if ($key != 'ct_message') $value = strip_tags($value); $_POST[$key] = htmlspecialchars(stripslashes(trim($value))); } } $name = @$_POST['ct_name']; // name from the form $email = @$_POST['ct_email']; // email from the form $URL = @$_POST['ct_URL']; // url from the form $message = @$_POST['ct_message']; // the message from the form $captcha = @$_POST['ct_captcha']; // the user's entry for the captcha code $name = substr($name, 0, 64); // limit name to 64 characters $errors = array(); // initialize empty error array if (isset($GLOBALS['DEBUG_MODE']) && $GLOBALS['DEBUG_MODE'] == false) { // only check for errors if the form is not in debug mode if (strlen($name) < 3) { // name too short, add error $errors['name_error'] = 'Your name is required'; } if (strlen($email) == 0) { // no email address given $errors['email_error'] = 'Email address is required'; } else if ( !preg_match('/^(?:[\w\d-]+\.?)+@(?:(?:[\w\d]\-?)+\.)+\w{2,63}$/i', $email)) { // invalid email format $errors['email_error'] = 'Email address entered is invalid'; } if (strlen($message) < 20) { // message length too short $errors['message_error'] = 'Your message must be longer than 20 characters'; } } // Only try to validate the captcha if the form has no errors // This is especially important for ajax calls if (sizeof($errors) == 0) { require_once dirname(__FILE__) . '/securimage.php'; $securimage = new Securimage(); if ($securimage->check($captcha) == false) { $errors['captcha_error'] = 'Incorrect security code entered
'; } } if (sizeof($errors) == 0) { // no errors, send the form $time = date('r'); $message = "A message was submitted from the contact form. The following information was provided.

" . "Name: $name
" . "Email: $email
" . "URL: $URL
" . "Message:
" . "
$message
" . "

IP Address: {$_SERVER['REMOTE_ADDR']}
" . "Time: $time
" . "Browser: {$_SERVER['HTTP_USER_AGENT']}
"; $message = wordwrap($message, 70); if (isset($GLOBALS['DEBUG_MODE']) && $GLOBALS['DEBUG_MODE'] == false) { // send the message with mail() mail($GLOBALS['ct_recipient'], $GLOBALS['ct_msg_subject'], $message, "From: {$GLOBALS['ct_recipient']}\r\nReply-To: {$email}\r\nContent-type: text/html; charset=UTF-8\r\nMIME-Version: 1.0"); } $_SESSION['ctform']['timetosolve'] = $securimage->getTimeToSolve(); $_SESSION['ctform']['error'] = false; // no error with form $_SESSION['ctform']['success'] = true; // message sent } else { // save the entries, this is to re-populate the form $_SESSION['ctform']['ct_name'] = $name; // save name from the form submission $_SESSION['ctform']['ct_email'] = $email; // save email $_SESSION['ctform']['ct_URL'] = $URL; // save URL $_SESSION['ctform']['ct_message'] = $message; // save message foreach($errors as $key => $error) { // set up error messages to display with each field $_SESSION['ctform'][$key] = "$error"; } $_SESSION['ctform']['error'] = true; // set error floag } } // POST } $_SESSION['ctform']['success'] = false; // clear success value after running