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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/query-title` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/query-title` block on the server.
  10   * For now it only supports Archive title,
  11   * using queried object information
  12   *
  13   * @param array $attributes Block attributes.
  14   *
  15   * @return string Returns the query title based on the queried object.
  16   */
  17  function render_block_core_query_title( $attributes ) {
  18      $type       = isset( $attributes['type'] ) ? $attributes['type'] : null;
  19      $is_archive = is_archive();
  20      if ( ! $type || ( 'archive' === $type && ! $is_archive ) ) {
  21          return '';
  22      }
  23      $title = '';
  24      if ( $is_archive ) {
  25          $title = get_the_archive_title();
  26      }
  27      $tag_name           = isset( $attributes['level'] ) ? 'h' . (int) $attributes['level'] : 'h1';
  28      $align_class_name   = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
  29      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
  30      return sprintf(
  31          '<%1$s %2$s>%3$s</%1$s>',
  32          $tag_name,
  33          $wrapper_attributes,
  34          $title
  35      );
  36  }
  37  
  38  /**
  39   * Registers the `core/query-title` block on the server.
  40   */
  41  function register_block_core_query_title() {
  42      register_block_type_from_metadata(
  43          __DIR__ . '/query-title',
  44          array(
  45              'render_callback' => 'render_block_core_query_title',
  46          )
  47      );
  48  }
  49  add_action( 'init', 'register_block_core_query_title' );