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- <?php
- /**
- * Server-side rendering of the `core/query-pagination-previous` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/query-pagination-previous` 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 previous posts link for the query.
- */
- function render_block_core_query_pagination_previous( $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 ];
- $wrapper_attributes = get_block_wrapper_attributes();
- $default_label = __( 'Previous Page' );
- $label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label;
- $pagination_arrow = get_query_pagination_arrow( $block, false );
- if ( $pagination_arrow ) {
- $label = $pagination_arrow . $label;
- }
- $content = '';
- // Check if the pagination is for Query that inherits the global context
- // and handle appropriately.
- if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
- $filter_link_attributes = function() use ( $wrapper_attributes ) {
- return $wrapper_attributes;
- };
- add_filter( 'previous_posts_link_attributes', $filter_link_attributes );
- $content = get_previous_posts_link( $label );
- remove_filter( 'previous_posts_link_attributes', $filter_link_attributes );
- } elseif ( 1 !== $page ) {
- $content = sprintf(
- '<a href="%1$s" %2$s>%3$s</a>',
- esc_url( add_query_arg( $page_key, $page - 1 ) ),
- $wrapper_attributes,
- $label
- );
- }
- return $content;
- }
- /**
- * Registers the `core/query-pagination-previous` block on the server.
- */
- function register_block_core_query_pagination_previous() {
- register_block_type_from_metadata(
- __DIR__ . '/query-pagination-previous',
- array(
- 'render_callback' => 'render_block_core_query_pagination_previous',
- )
- );
- }
- add_action( 'init', 'register_block_core_query_pagination_previous' );
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