Role Check function for User Model

// boolean function to test for roles a user belongs to
    public function is($roles = array())
    {
        if(!is_array($roles))
            $roles = array($roles);

        $user_permissions = array_pluck($this->roles()->get()->toArray(), "name");

        // make sure that the number of intersections is the same as the number of roles.
        // this returns the answer to "can user do all the above?"

        return ( count( array_intersect($roles, $user_permissions) ) === count($roles) );
    }