class Object public function getClass return get_class this public fun

class Object {
   
   public function getClass(){
      return get_class($this);
   }
   
   public function __get($name){
      $getterMethod='get'.$name;
      
      if(method_exists($this,$getterMethod)){
         return $this->$getterMethod();
      }elseif(property_exists($this,$name)){
         $backtrace=debug_backtrace();
         
         trigger_error(
            sprintf('Cannot access protected property %s::$%s in <b>%s</b> on line <b>%s</b>',$this->getClass(),$name,$backtrace[0]['file'],$backtrace[0]['line'])
            , E_USER_ERROR);
      }else{
         $backtrace=debug_backtrace();
         
         trigger_error(
            sprintf('<b>Notice</b>: Undefined property: %s::$%s in <b>%s</b> on line <b>%s</b>',$this->getClass(),$name,$backtrace[0]['file'],$backtrace[0]['line'])
            , E_USER_ERROR);
      }
      
      return NULL;
   }
   
   public function __set($name,$value){
      $setterMethod='set'.$name;
      
      if(method_exists($this,$setterMethod)){
         $this->$setterMethod($value);
      }elseif(property_exists($this,$name)){
         $backtrace=debug_backtrace();
         
         trigger_error(
            sprintf('Cannot access protected property %s::$%s in <b>%s</b> on line <b>%s</b>',$this->getClass(),$name,$backtrace[0]['file'],$backtrace[0]['line'])
            , E_USER_ERROR);
      }else{
         $backtrace=debug_backtrace();
         
         trigger_error(
            sprintf('<b>Notice</b>: Undefined property: <b>%s</b>::$<b>%s</b> in <b>%s</b> on line <b>%s</b>',$this->getClass(),$name,$backtrace[0]['file'],$backtrace[0]['line'])
            , E_USER_ERROR);
      }
   }
}