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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/query-total` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `query-total` block on the server.
  10   *
  11   * @since 6.8.0
  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 The rendered block content.
  18   */
  19  function render_block_core_query_total( $attributes, $content, $block ) {
  20      global $wp_query;
  21      $wrapper_attributes = get_block_wrapper_attributes();
  22      if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
  23          $query_to_use = $wp_query;
  24          $current_page = max( 1, get_query_var( 'paged', 1 ) );
  25      } else {
  26          $page_key     = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
  27          $current_page = isset( $_GET[ $page_key ] ) ? (int) $_GET[ $page_key ] : 1;
  28          $query_to_use = new WP_Query( build_query_vars_from_query_block( $block, $current_page ) );
  29      }
  30  
  31      $max_rows       = $query_to_use->found_posts;
  32      $posts_per_page = $query_to_use->get( 'posts_per_page' );
  33  
  34      // Calculate the range of posts being displayed.
  35      $start = ( $current_page - 1 ) * $posts_per_page + 1;
  36      $end   = min( $start + $posts_per_page - 1, $max_rows );
  37  
  38      // Prepare the display based on the `displayType` attribute.
  39      $output = '';
  40      switch ( $attributes['displayType'] ) {
  41          case 'range-display':
  42              if ( $start === $end ) {
  43                  $output = sprintf(
  44                      /* translators: 1: Start index of posts, 2: Total number of posts */
  45                      __( 'Displaying %1$s of %2$s' ),
  46                      $start,
  47                      $max_rows
  48                  );
  49              } else {
  50                  $output = sprintf(
  51                      /* translators: 1: Start index of posts, 2: End index of posts, 3: Total number of posts */
  52                      __( 'Displaying %1$s – %2$s of %3$s' ),
  53                      $start,
  54                      $end,
  55                      $max_rows
  56                  );
  57              }
  58  
  59              break;
  60  
  61          case 'total-results':
  62          default:
  63              // translators: %d: number of results.
  64              $output = sprintf( _n( '%d result found', '%d results found', $max_rows ), $max_rows );
  65              break;
  66      }
  67  
  68      return sprintf(
  69          '<div %1$s>%2$s</div>',
  70          $wrapper_attributes,
  71          $output
  72      );
  73  }
  74  
  75  /**
  76   * Registers the `query-total` block.
  77   *
  78   * @since 6.8.0
  79   */
  80  function register_block_core_query_total() {
  81      register_block_type_from_metadata(
  82          __DIR__ . '/query-total',
  83          array(
  84              'render_callback' => 'render_block_core_query_total',
  85          )
  86      );
  87  }
  88  add_action( 'init', 'register_block_core_query_total' );