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- <?php
- /**
- * Server-side rendering of the `core/query-pagination-numbers` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/query-pagination-numbers` block on the server.
- *
- * @param array $attributes Block attributes.
- * @param string $content Block default content.
- * @param WP_Block $block Block instance.
- *
- * @return string Returns the pagination numbers for the Query.
- */
- function render_block_core_query_pagination_numbers( $attributes, $content, $block ) {
- $page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
- $page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
- $max_page = isset( $block->context['query']['pages'] ) ? (int) $block->context['query']['pages'] : 0;
- $wrapper_attributes = get_block_wrapper_attributes();
- $content = '';
- global $wp_query;
- if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
- // Take into account if we have set a bigger `max page`
- // than what the query has.
- $total = ! $max_page || $max_page > $wp_query->max_num_pages ? $wp_query->max_num_pages : $max_page;
- $paginate_args = array(
- 'prev_next' => false,
- 'total' => $total,
- );
- $content = paginate_links( $paginate_args );
- } else {
- $block_query = new WP_Query( build_query_vars_from_query_block( $block, $page ) );
- // `paginate_links` works with the global $wp_query, so we have to
- // temporarily switch it with our custom query.
- $prev_wp_query = $wp_query;
- $wp_query = $block_query;
- $total = ! $max_page || $max_page > $wp_query->max_num_pages ? $wp_query->max_num_pages : $max_page;
- $paginate_args = array(
- 'base' => '%_%',
- 'format' => "?$page_key=%#%",
- 'current' => max( 1, $page ),
- 'total' => $total,
- 'prev_next' => false,
- );
- if ( 1 !== $page ) {
- /**
- * `paginate_links` doesn't use the provided `format` when the page is `1`.
- * This is great for the main query as it removes the extra query params
- * making the URL shorter, but in the case of multiple custom queries is
- * problematic. It results in returning an empty link which ends up with
- * a link to the current page.
- *
- * A way to address this is to add a `fake` query arg with no value that
- * is the same for all custom queries. This way the link is not empty and
- * preserves all the other existent query args.
- *
- * @see https://developer.wordpress.org/reference/functions/paginate_links/
- *
- * The proper fix of this should be in core. Track Ticket:
- * @see https://core.trac.wordpress.org/ticket/53868
- *
- * TODO: After two WP versions (starting from the WP version the core patch landed),
- * we should remove this and call `paginate_links` with the proper new arg.
- */
- $paginate_args['add_args'] = array( 'cst' => '' );
- }
- // We still need to preserve `paged` query param if exists, as is used
- // for Queries that inherit from global context.
- $paged = empty( $_GET['paged'] ) ? null : (int) $_GET['paged'];
- if ( $paged ) {
- $paginate_args['add_args'] = array( 'paged' => $paged );
- }
- $content = paginate_links( $paginate_args );
- wp_reset_postdata(); // Restore original Post Data.
- $wp_query = $prev_wp_query;
- }
- if ( empty( $content ) ) {
- return '';
- }
- return sprintf(
- '<div %1$s>%2$s</div>',
- $wrapper_attributes,
- $content
- );
- }
- /**
- * Registers the `core/query-pagination-numbers` block on the server.
- */
- function register_block_core_query_pagination_numbers() {
- register_block_type_from_metadata(
- __DIR__ . '/query-pagination-numbers',
- array(
- 'render_callback' => 'render_block_core_query_pagination_numbers',
- )
- );
- }
- add_action( 'init', 'register_block_core_query_pagination_numbers' );
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