function ab()
 {
     $this->apu2 = 2;
     $this->apud2 = 2;
     $this->apro2 = 2;
     $this->aprod2 = 2;
     $this->apri2 = 2;
     $this->aprid2 = 2;
     self::$asta2 = 2;
     self::$astad2 = 2;
     self::$apusta2 = 2;
     self::$apustad2 = 2;
 }