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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/comments-pagination-numbers` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/comments-pagination-numbers` block on the server.
  10   *
  11   * @since 6.0.0
  12   *
  13   * @param array    $attributes Block attributes.
  14   * @param string   $content    Block default content.
  15   * @param WP_Block $block      Block instance.
  16   *
  17   * @return string Returns the pagination numbers for the comments.
  18   */
  19  function render_block_core_comments_pagination_numbers( $attributes, $content, $block ) {
  20      // Bail out early if the post ID is not set for some reason.
  21      if ( empty( $block->context['postId'] ) ) {
  22          return '';
  23      }
  24  
  25      $comment_vars = build_comment_query_vars_from_block( $block );
  26  
  27      $total   = ( new WP_Comment_Query( $comment_vars ) )->max_num_pages;
  28      $current = ! empty( $comment_vars['paged'] ) ? $comment_vars['paged'] : null;
  29  
  30      // Render links.
  31      $content = paginate_comments_links(
  32          array(
  33              'total'     => $total,
  34              'current'   => $current,
  35              'prev_next' => false,
  36              'echo'      => false,
  37          )
  38      );
  39  
  40      if ( empty( $content ) ) {
  41          return '';
  42      }
  43  
  44      $wrapper_attributes = get_block_wrapper_attributes();
  45  
  46      return sprintf(
  47          '<div %1$s>%2$s</div>',
  48          $wrapper_attributes,
  49          $content
  50      );
  51  }
  52  
  53  /**
  54   * Registers the `core/comments-pagination-numbers` block on the server.
  55   *
  56   * @since 6.0.0
  57   */
  58  function register_block_core_comments_pagination_numbers() {
  59      register_block_type_from_metadata(
  60          __DIR__ . '/comments-pagination-numbers',
  61          array(
  62              'render_callback' => 'render_block_core_comments_pagination_numbers',
  63          )
  64      );
  65  }
  66  add_action( 'init', 'register_block_core_comments_pagination_numbers' );