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<?php/**
 * Server-side rendering of the `core/comments-pagination-numbers` block.
 *
 * @package WordPress
 */
 
 /**
 * Renders the `core/comments-pagination-numbers` block on the server.
 *
 * @since 6.0.0
 *
 * @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 comments.
 */
 function render_block_core_comments_pagination_numbers( $attributes, $content, $block ) {
 // Bail out early if the post ID is not set for some reason.
 if ( empty( $block->context['postId'] ) ) {
 return '';
 }
 
 $comment_vars = build_comment_query_vars_from_block( $block );
 
 $total   = ( new WP_Comment_Query( $comment_vars ) )->max_num_pages;
 $current = ! empty( $comment_vars['paged'] ) ? $comment_vars['paged'] : null;
 
 // Render links.
 $content = paginate_comments_links(
 array(
 'total'     => $total,
 'current'   => $current,
 'prev_next' => false,
 'echo'      => false,
 )
 );
 
 if ( empty( $content ) ) {
 return '';
 }
 
 $wrapper_attributes = get_block_wrapper_attributes();
 
 return sprintf(
 '<div %1$s>%2$s</div>',
 $wrapper_attributes,
 $content
 );
 }
 
 /**
 * Registers the `core/comments-pagination-numbers` block on the server.
 *
 * @since 6.0.0
 */
 function register_block_core_comments_pagination_numbers() {
 register_block_type_from_metadata(
 __DIR__ . '/comments-pagination-numbers',
 array(
 'render_callback' => 'render_block_core_comments_pagination_numbers',
 )
 );
 }
 add_action( 'init', 'register_block_core_comments_pagination_numbers' );
 
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