Before revision: the Pahlavis used it as an idealization of pre-Islamic Iran and foundation for anticlerical monarchism, while the clerics used it to exalt "Iranian values" vis-á-vis Westernization.
After revision: The Pahlavis used it as an idealization of pre-Islamic Iran and foundation for anti-clerical monarchism, while the clerics used it to exalt "Iranian values" vis-à-vis Westernization.