public function setGroup($group)
    {
        $this->fieldName = null;

        $group = str_replace('.', '/', $group);

        $this->group = $group;

        return $this;
    }
public function setGroup($group)
    {
        $this->fieldName = null;

        $group = str_replace('.', '/', $group);

        $this->group = $group;

        return $this;
    }
public function setGroup ( $ group ) { $ this -> fieldName = null ; $ group = str_replace ( '.' , '/' , $ group ) ; $ this -> group = $ group ; return $ this ; }
Method to set property group

@param   null $group

@return  static  Return self to support chaining.
Method to set property group