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   1  <?php
   2  /**
   3   * Shared helper function for checking if navigation items should render.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Checks if a navigation item should render based on post status.
  10   *
  11   * @since 7.0.0
  12   *
  13   * @param array    $attributes The block attributes.
  14   * @param WP_Block $block      The parsed block.
  15   * @return bool True if the item should render, false otherwise.
  16   */
  17  function block_core_shared_navigation_item_should_render( $attributes, $block ) {
  18      $navigation_link_has_id = isset( $attributes['id'] ) && is_numeric( $attributes['id'] );
  19      $is_post_type           = isset( $attributes['kind'] ) && 'post-type' === $attributes['kind'];
  20      $is_post_type           = $is_post_type || isset( $attributes['type'] ) && ( 'post' === $attributes['type'] || 'page' === $attributes['type'] );
  21  
  22      // Don't render the block's subtree if it is a draft or if the ID does not exist.
  23      if ( $is_post_type && $navigation_link_has_id ) {
  24          $post = get_post( $attributes['id'] );
  25          /**
  26           * Filter allowed post_status for navigation link block to render.
  27           *
  28           * @since 6.8.0
  29           *
  30           * @param array    $post_status Array of allowed post statuses.
  31           * @param array    $attributes  Block attributes.
  32           * @param WP_Block $block       The parsed block.
  33           */
  34          $allowed_post_status = (array) apply_filters(
  35              'render_block_core_navigation_link_allowed_post_status',
  36              array( 'publish' ),
  37              $attributes,
  38              $block
  39          );
  40          if ( ! $post || ! in_array( $post->post_status, $allowed_post_status, true ) ) {
  41              return false;
  42          }
  43      }
  44  
  45      return true;
  46  }