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- <?php
- /**
- * Server-side rendering of the `core/comments-pagination-previous` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/comments-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 comments pagination.
- */
- function render_block_core_comments_pagination_previous( $attributes, $content, $block ) {
- $default_label = __( 'Older Comments' );
- $label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? $attributes['label'] : $default_label;
- $pagination_arrow = get_comments_pagination_arrow( $block, 'previous' );
- if ( $pagination_arrow ) {
- $label = $pagination_arrow . $label;
- }
- $filter_link_attributes = function() {
- return get_block_wrapper_attributes();
- };
- add_filter( 'previous_comments_link_attributes', $filter_link_attributes );
- $previous_comments_link = get_previous_comments_link( $label );
- remove_filter( 'previous_comments_link_attributes', $filter_link_attributes );
- if ( ! isset( $previous_comments_link ) ) {
- return '';
- }
- return $previous_comments_link;
- }
- /**
- * Registers the `core/comments-pagination-previous` block on the server.
- */
- function register_block_core_comments_pagination_previous() {
- register_block_type_from_metadata(
- __DIR__ . '/comments-pagination-previous',
- array(
- 'render_callback' => 'render_block_core_comments_pagination_previous',
- )
- );
- }
- add_action( 'init', 'register_block_core_comments_pagination_previous' );
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