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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   * @global WP_Query $wp_query WordPress Query object.
  14   *
  15   * @param array    $attributes Block attributes.
  16   * @param string   $content    Block default content.
  17   * @param WP_Block $block      Block instance.
  18   *
  19   * @return string The rendered block content.
  20   */
  21  function render_block_core_query_total( $attributes, $content, $block ) {
  22      global $wp_query;
  23      $wrapper_attributes = get_block_wrapper_attributes();
  24      if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
  25          $query_to_use = $wp_query;
  26          $current_page = max( 1, (int) get_query_var( 'paged', 1 ) );
  27      } else {
  28          $page_key     = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
  29          $current_page = isset( $_GET[ $page_key ] ) ? (int) $_GET[ $page_key ] : 1;
  30          $query_to_use = new WP_Query( build_query_vars_from_query_block( $block, $current_page ) );
  31      }
  32  
  33      $max_rows       = $query_to_use->found_posts;
  34      $posts_per_page = (int) $query_to_use->get( 'posts_per_page' );
  35  
  36      // Calculate the range of posts being displayed.
  37      $start = ( 0 === $max_rows ) ? 0 : ( ( $current_page - 1 ) * $posts_per_page + 1 );
  38      $end   = min( $start + $posts_per_page - 1, $max_rows );
  39  
  40      // Prepare the display based on the `displayType` attribute.
  41      $output = '';
  42      switch ( $attributes['displayType'] ) {
  43          case 'range-display':
  44              if ( $start === $end ) {
  45                  $output = sprintf(
  46                      /* translators: 1: Start index of posts, 2: Total number of posts */
  47                      __( 'Displaying %1$s of %2$s' ),
  48                      $start,
  49                      $max_rows
  50                  );
  51              } else {
  52                  $output = sprintf(
  53                      /* translators: 1: Start index of posts, 2: End index of posts, 3: Total number of posts */
  54                      __( 'Displaying %1$s – %2$s of %3$s' ),
  55                      $start,
  56                      $end,
  57                      $max_rows
  58                  );
  59              }
  60  
  61              break;
  62  
  63          case 'total-results':
  64          default:
  65              // translators: %d: number of results.
  66              $output = sprintf( _n( '%d result found', '%d results found', $max_rows ), $max_rows );
  67              break;
  68      }
  69  
  70      return sprintf(
  71          '<div %1$s>%2$s</div>',
  72          $wrapper_attributes,
  73          $output
  74      );
  75  }
  76  
  77  /**
  78   * Registers the `query-total` block.
  79   *
  80   * @since 6.8.0
  81   */
  82  function register_block_core_query_total() {
  83      register_block_type_from_metadata(
  84          __DIR__ . '/query-total',
  85          array(
  86              'render_callback' => 'render_block_core_query_total',
  87          )
  88      );
  89  }
  90  add_action( 'init', 'register_block_core_query_total' );