public function addScope($scope)
    {
        if($this->isValidScope($scope)){
            $this->scope[$scope] = $scope;
        }

        return $this;
    }
public function addScope($scope)
    {
        if($this->isValidScope($scope)){
            $this->scope[$scope] = $scope;
        }

        return $this;
    }
public function addScope ( $ scope ) { if ( $ this -> isValidScope ( $ scope ) ) { $ this -> scope [ $ scope ] = $ scope ; } return $ this ; }
Adds scope.

@param string $scope

@return $this
Adds scope .