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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/term-count` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/term-count` block on the server.
  10   *
  11   * @since 6.9.0
  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 count of the current taxonomy term wrapped inside a heading tag.
  18   */
  19  function render_block_core_term_count( $attributes, $content, $block ) {
  20      // Get term from context or from the current query.
  21      if ( isset( $block->context['termId'] ) && isset( $block->context['taxonomy'] ) ) {
  22          $term = get_term( $block->context['termId'], $block->context['taxonomy'] );
  23      } else {
  24          $term = get_queried_object();
  25          if ( ! $term instanceof WP_Term ) {
  26              $term = null;
  27          }
  28      }
  29  
  30      if ( ! $term || is_wp_error( $term ) ) {
  31          return '';
  32      }
  33  
  34      $term_count = $term->count;
  35  
  36      // Format the term count based on bracket type.
  37      switch ( $attributes['bracketType'] ) {
  38          case 'none':
  39              // No formatting needed.
  40              break;
  41          case 'round':
  42              $term_count = "({$term_count})";
  43              break;
  44          case 'square':
  45              $term_count = "[{$term_count}]";
  46              break;
  47          case 'curly':
  48              $term_count = "{{$term_count}}";
  49              break;
  50          case 'angle':
  51              $term_count = "<{$term_count}>";
  52              break;
  53          default:
  54              // Default to no formatting for unknown types.
  55              break;
  56      }
  57  
  58      $wrapper_attributes = get_block_wrapper_attributes();
  59  
  60      return sprintf(
  61          '<div %1$s>%2$s</div>',
  62          $wrapper_attributes,
  63          $term_count
  64      );
  65  }
  66  
  67  /**
  68   * Registers the `core/term-count` block on the server.
  69   *
  70   * @since 6.9.0
  71   */
  72  function register_block_core_term_count() {
  73      register_block_type_from_metadata(
  74          __DIR__ . '/term-count',
  75          array(
  76              'render_callback' => 'render_block_core_term_count',
  77          )
  78      );
  79  }
  80  add_action( 'init', 'register_block_core_term_count' );