private function quote($data, $paramType = \PDO::PARAM_STR)
{
if (\is_array($data) || \is_object($data)) {
$return = array();
foreach ($data as $k => $v) {
$return[$k] = $this->quote($v);
}
return $return;
} else {
$data = $this->connection->quote($data, $paramType);
if (false === $data) {
$data = "''";
}
return $data;
}
}
