private function existsACotationWithThisDate(Cotation $cotation) { $sql = "SELECT id \r\n FROM cotations_history \r\n WHERE data = :date AND codigo = :code"; $query = $this->session->prepare($sql); $query->bindParam(":date", date("Y-m-d")); $query->bindParam(":code", $cotation->getCode()); $query->execute(); return $query->rowCount() > 0; }