*/
	private function handle_activations() {

		$res = LLMS_Helper_Keys::activate_keys( llms_filter_input( INPUT_POST, 'llms_add_keys', FILTER_SANITIZE_STRING ), true );

		if ( is_wp_error( $res ) ) {
			LLMS_Admin_Notices::flash_notice( $res->get_error_message(), 'error' );
			return;
		}

		$data = $res['data'];
		if ( isset( $data['errors'] ) ) {
			foreach ( $data['errors'] as $error ) {
				LLMS_Admin_Notices::flash_notice( make_clickable( $error ), 'error' );
			}
		}

		if ( isset( $data['activations'] ) ) {
			foreach ( $data['activations'] as $activation ) {
				LLMS_Helper_Keys::add_license_key( $activation );
				// Translators: %s = License key.
				LLMS_Admin_Notices::flash_notice( sprintf( __( '"%s" has been saved!', 'lifterlms' ), $activation['license_key'] ), 'success' );
			}
		}