static function manage_optout()
{
global $wpdb;
$post = stripslashes_deep($_POST);
if (isset($post['button_add']) && $post['button_add'] == 'Add') {
// add an email address to the excludes list
$email = $post['email_address'];
// make sure it is a valid email address
if (!is_email($email)) {
wp_redirect('admin.php?page=followup-emails-optouts&error=' . urlencode(__('The email address is invalid', 'follow_up_emails')));
exit;
}
FUE::exclude_email_address($email);
wp_redirect('admin.php?page=followup-emails-optouts&added=' . urlencode($email));
exit;
} elseif (isset($post['button_restore']) && $post['button_restore'] == 'Apply') {
$emails = $post['email'];
$email_ids = '';
if (is_array($emails) && !empty($emails)) {
$email_ids = "'" . implode("','", $emails) . "'";
}
if (!empty($email_ids)) {
$wpdb->query("DELETE FROM {$wpdb->prefix}followup_email_excludes WHERE id IN({$email_ids})");
}
wp_redirect('admin.php?page=followup-emails-optouts&restored=' . count($emails));
exit;
}
wp_redirect('admin.php?page=followup-emails-optouts');
exit;
}
