WP_List_Table::set_pagination_args( array|string $args )

311	protected function set_pagination_args( $args ) {312		$args = wp_parse_args(313			$args,314			array(315				'total_items' => 0,316				'total_pages' => 0,317				'per_page'    => 0,318			)319		);320 321		if ( ! $args['total_pages'] && $args['per_page'] > 0 ) {322			$args['total_pages'] = (int) ceil( $args['total_items'] / $args['per_page'] );323		}324 325		// Redirect if page number is invalid and headers are not already sent.326		if ( ! headers_sent() && ! wp_doing_ajax() && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {327			wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );328			exit;329		}330 331		$this->_pagination_args = $args;332	}