public function store()
 {
     $db = new Database();
     if ($this->cnt == 0) {
         $db->sendQuery("INSERT INTO `employees`(`name`, `surname`, `familyName`, `personalId`, `position`) VALUES ('{$this->name}','{$this->surname}','{$this->familyName}','{$this->personalId}','{$this->position}')");
     } else {
         $db->sendQuery("UPDATE `employees` SET `name`='{$this->name}',`surname`='{$this->surname}',`familyName`='{$this->familyName}',`position`='{$this->position}' WHERE `personalId`='{$this->personalId}'");
     }
     $this->cnt++;
 }