/*******************************************************************************************
   Classe para manipulação de Datas
********************************************************************************************/
   class Data {
      private $Dia;
      private $Mes;
      private $Ano;
      private $DiaErro;
      private $MesErro;
      private $AnoErro;
      
      function Data($d=1,$m=1,$a=1900){
         $this->setDia((int)$d);
         $this->setMes((int)$m);
         $this->setAno((int)$a);
      }
      
      public function setDia($aux){
         if(($aux<32)&&($aux>0)){
            $this->Dia= $aux;
            $this->DiaErro=False;
            return True;
         }
         else{
            $this->Dia=1;
            $this->DiaErro=True;
            return False;
         }
      }
      
      public function setMes($aux){
         if(($aux<13)&&($aux>0)){
            $this->Mes= $aux;
            $this->MesErro=False;
            return True;
         }
         else{
            $this->Mes=1;
            $this->MesErro=True;
            return False;
         }
      }
      
      public function setAno($aux){
         if(($aux<=2070)&&($aux>=1900)){
            $this->Ano= $aux;
            $this->AnoErro=False;
            return True;
         }
         else{
            $this->Ano=1900;
            $this->AnoErro=True;
            return False;
         }
      }
      
      public function getDia(){
         return $this->Dia;
      }

      public function getMes(){
         return $this->Mes;
      }
      
      public function getAno(){
         return $this->Ano;
      }
      
      public function StrToData($aux){
         if(strlen($aux)==10){
            $d=(int) substr($aux,0,2);
            $m=(int) substr($aux,3,2);
            $a=(int) substr($aux,6,4);
            $this->Data($d,$m,$a);
         }
         else{ 
            $this->Data();
            return False;
         }
      }
      
      public function BDToData($aux){
         if(strlen($aux)==10){
            $a=(int) substr($aux,0,4);
            $m=(int) substr($aux,5,2);
            $d=(int) substr($aux,8,2);
            $this->Data($d,$m,$a);
            return True;
         }
         else{ 
            $this->Data();
            return False;
         }
      }
      
      public function getDiaErro(){
         return $this->DiaErro;
      }
      
      public function getMesErro(){
         return $this->MesErro;
      }
      
      public function getAnoErro(){
         return $this->AnoErro;
      }
                       //Erro = False nao tem erro
      public function Erro(){
         if(($this->DiaErro==False)AND($this->MesErro==False)AND($this->AnoErro==False))
            return False;
         else
            return True;
      }
      
      public function FormataPG(){
         if($this->getDia()<10)
            $aux1="0".$this->getDia();
         else
            $aux1=$this->getDia();
         if($this->getMes()<10)
            $aux2="0".$this->getMes();
         else
            $aux2=$this->getMes();

         return $aux1 . "/" . $aux2 . "/" . $this->getAno();
      }
      
      public function FormataBD(){
         if($this->getDia()<10)
            $aux1="0".$this->getDia();
         else
            $aux1=$this->getDia();
         if($this->getMes()<10)
            $aux2="0".$this->getMes();
         else
            $aux2=$this->getMes();

         return $this->getAno() . "-" . $aux2 . "-" . $aux1;
      }
   }