public function obterReservas()
{
$reservas = array();
$sql = "SELECT id_reserva, nome, email, diarias, quant_pessoas, valor_total, valor_diaria\r\n\t\t\tFROM reservas";
foreach ($this->con->query($sql) as $linha) {
$reserva = new Reserva($linha['nome'], $linha['email'], $linha['diarias'], $linha['quant_pessoas'], $linha['valor_total'], $linha['valor_diaria']);
$reserva->setId_reserva($linha['id_reserva']);
$reservas[] = $reserva;
}
return $reservas;
}