<?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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