if ($serverret->isSuccess()) {
$separator = strpos($target_url, '?') ? '&' : '?';
$target_url .= $separator . 'zrl=' . urlencode($visitor) . '&addr=' . urlencode($contact_url);
if ($serverret->isSuccess()) {
$separator = strpos($target_url, '?') ? '&' : '?';
$target_url .= $separator . 'zrl=' . urlencode($visitor) . '&addr=' . urlencode($contact_url);
$contact_url_host = parse_url($contact_url, PHP_URL_HOST);
if ($url_host == $contact_url_host) {
$contact_url_host = parse_url($contact_url, PHP_URL_HOST);
if ($url_host == $contact_url_host) {