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- <?php
- /**
- * Server-side rendering of the `core/query-pagination-next` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/query-pagination-next` 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 next posts link for the query pagination.
- */
- function render_block_core_query_pagination_next( $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();
- $default_label = __( 'Next Page' );
- $label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label;
- $pagination_arrow = get_query_pagination_arrow( $block, true );
- if ( $pagination_arrow ) {
- $label .= $pagination_arrow;
- }
- $content = '';
- // Check if the pagination is for Query that inherits the global context.
- if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
- $filter_link_attributes = function() use ( $wrapper_attributes ) {
- return $wrapper_attributes;
- };
- add_filter( 'next_posts_link_attributes', $filter_link_attributes );
- // Take into account if we have set a bigger `max page`
- // than what the query has.
- global $wp_query;
- if ( $max_page > $wp_query->max_num_pages ) {
- $max_page = $wp_query->max_num_pages;
- }
- $content = get_next_posts_link( $label, $max_page );
- remove_filter( 'next_posts_link_attributes', $filter_link_attributes );
- } elseif ( ! $max_page || $max_page > $page ) {
- $custom_query = new WP_Query( build_query_vars_from_query_block( $block, $page ) );
- $custom_query_max_pages = (int) $custom_query->max_num_pages;
- if ( $custom_query_max_pages && $custom_query_max_pages !== $page ) {
- $content = sprintf(
- '<a href="%1$s" %2$s>%3$s</a>',
- esc_url( add_query_arg( $page_key, $page + 1 ) ),
- $wrapper_attributes,
- $label
- );
- }
- wp_reset_postdata(); // Restore original Post Data.
- }
- return $content;
- }
- /**
- * Registers the `core/query-pagination-next` block on the server.
- */
- function register_block_core_query_pagination_next() {
- register_block_type_from_metadata(
- __DIR__ . '/query-pagination-next',
- array(
- 'render_callback' => 'render_block_core_query_pagination_next',
- )
- );
- }
- add_action( 'init', 'register_block_core_query_pagination_next' );
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