/**
* Verify the visitor if the form was submitted.
*
* @since 0.1.0
*
* @return void
*/
public function verify()
{
if (!isset($_POST['av-nonce']) || !wp_verify_nonce($_POST['av-nonce'], 'verify-age')) {
return;
}
$redirect_url = remove_query_arg(array('age-verified', 'verify-error'), wp_get_referer());
$is_verified = false;
$error = 1;
// Catch-all in case something goes wrong
$input_type = av_get_input_type();
switch ($input_type) {
case 'checkbox':
if (isset($_POST['av_verify_confirm']) && (int) $_POST['av_verify_confirm'] == 1) {
$is_verified = true;
} else {
$error = 2;
}
// Didn't check the box
break;
default:
if (checkdate((int) $_POST['av_verify_m'], (int) $_POST['av_verify_d'], (int) $_POST['av_verify_y'])) {
$age = av_get_visitor_age($_POST['av_verify_y'], $_POST['av_verify_m'], $_POST['av_verify_d']);
if ($age >= av_get_minimum_age()) {
$is_verified = true;
} else {
$error = 3;
}
// Not old enough
} else {
$error = 4;
// Invalid date
}
break;
}
$is_verified = apply_filters('av_passed_verify', $is_verified);
if ($is_verified == true) {
do_action('av_was_verified');
if (isset($_POST['av_verify_remember'])) {
$cookie_duration = time() + av_get_cookie_duration() * 60;
} else {
$cookie_duration = 0;
}
setcookie('age-verified', 1, $cookie_duration, COOKIEPATH, COOKIE_DOMAIN, false);
wp_redirect(esc_url_raw($redirect_url) . '?age-verified=' . wp_create_nonce('age-verified'));
exit;
} else {
do_action('av_was_not_verified');
wp_redirect(esc_url_raw(add_query_arg('verify-error', $error, $redirect_url)));
exit;
}
}
/**
* Adds a checkbox to the default WordPress registration form for
* users to verify their ages. You can filter the text if you like.
*
* @since 0.1
* @echo string
*/
function av_register_form()
{
$text = '<p class="age-verify"><label for="_av_confirm_age"><input type="checkbox" name="_av_confirm_age" id="_av_confirm_age" value="1" /> ';
$text .= esc_html(sprintf(apply_filters('av_registration_text', __('I am at least %s years old', 'age-verify')), av_get_minimum_age()));
$text .= '</label></p><br />';
echo $text;
}