public function cacheFlushByGroup($group)
    {
        $group = StringHelper::toUnderscoreVariable(get_called_class()) . '/' . StringHelper::toUnderscoreVariable($group);
        $this->getCache()->setGroup($group)->clear();
        
        return $this;
    }
public function cacheFlushByGroup($group)
    {
        $group = StringHelper::toUnderscoreVariable(get_called_class()) . '/' . StringHelper::toUnderscoreVariable($group);
        $this->getCache()->setGroup($group)->clear();
        
        return $this;
    }
public function cacheFlushByGroup ( $ group ) { $ group = StringHelper :: toUnderscoreVariable ( get_called_class ( ) ) . '/' . StringHelper :: toUnderscoreVariable ( $ group ) ; $ this -> getCache ( ) -> setGroup ( $ group ) -> clear ( ) ; return $ this ; }
clear cache by group, group is can function name
@param  string $group
@return static
clear cache by group group is can function name