public static function processClearDatabase()
 {
     if (isset($_GET['flush_cma_db']) && $_GET['flush_cma_db'] == 1 and !empty($_GET['nonce']) and wp_verify_nonce($_GET['nonce'], self::ADMIN_SETTINGS)) {
         CMA::flushDatabase();
         wp_redirect(admin_url('plugins.php'));
         exit;
     }
 }