protected function filterAndroid(array &$userAgent)
{
if ('safari' === $userAgent['browser_name'] && strpos($userAgent['string'], 'android ')) {
$userAgent['browser_name'] = 'android';
$userAgent['operating_system'] = 'android';
$userAgent['browser_version'] = preg_replace('|.+android ([0-9]+(?:\\.[0-9]+)+).+|', '$1', $userAgent['string']);
}
}