Astra_Admin_Ajax::migrate_to_builder()

	public function migrate_to_builder() {

		$response_data = array( 'message' => $this->get_error_msg( 'permission' ) );

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( $response_data );
		}

		if ( empty( $_POST ) ) {
			$response_data = array( 'message' => $this->get_error_msg( 'invalid' ) );
			wp_send_json_error( $response_data );
		}

		/**
		 * Nonce verification.
		 */
		if ( ! check_ajax_referer( 'astra_update_admin_setting', 'security', false ) ) {
			$response_data = array( 'message' => $this->get_error_msg( 'nonce' ) );
			wp_send_json_error( $response_data );
		}

		/** @psalm-suppress PossiblyInvalidArgument */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort
		$migrate = isset( $_POST['status'] ) ? sanitize_key( $_POST['status'] ) : '';
		/** @psalm-suppress PossiblyInvalidArgument */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort
		$migrate = ( 'true' === $migrate ) ? true : false;
		/** @psalm-suppress InvalidArgument */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort
		$migration_flag = astra_get_option( 'v3-option-migration', false );
		astra_update_option( 'is-header-footer-builder', $migrate );

		if ( $migrate && false === $migration_flag ) {
			require_once ASTRA_THEME_DIR . 'inc/theme-update/astra-builder-migration-updater.php';  // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude.FileIncludeFound
			astra_header_builder_migration();
		}

		wp_send_json_success();
	}