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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/post-author` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/post-author` block on the server.
  10   *
  11   * @since 5.9.0
  12   *
  13   * @param  array    $attributes Block attributes.
  14   * @param  string   $content    Block default content.
  15   * @param  WP_Block $block      Block instance.
  16   * @return string Returns the rendered author block.
  17   */
  18  function render_block_core_post_author( $attributes, $content, $block ) {
  19      if ( ! isset( $block->context['postId'] ) ) {
  20          $author_id = get_query_var( 'author' );
  21      } else {
  22          $author_id = get_post_field( 'post_author', $block->context['postId'] );
  23      }
  24  
  25      if ( empty( $author_id ) ) {
  26          return '';
  27      }
  28  
  29      $avatar = ! empty( $attributes['avatarSize'] ) ? get_avatar(
  30          $author_id,
  31          $attributes['avatarSize']
  32      ) : null;
  33  
  34      $link        = get_author_posts_url( $author_id );
  35      $author_name = get_the_author_meta( 'display_name', $author_id );
  36      if ( ! empty( $attributes['isLink'] && ! empty( $attributes['linkTarget'] ) ) ) {
  37          $author_name = sprintf( '<a href="%1$s" target="%2$s">%3$s</a>', esc_url( $link ), esc_attr( $attributes['linkTarget'] ), $author_name );
  38      }
  39  
  40      $byline  = ! empty( $attributes['byline'] ) ? $attributes['byline'] : false;
  41      $classes = array();
  42      if ( isset( $attributes['itemsJustification'] ) ) {
  43          $classes[] = 'items-justified-' . $attributes['itemsJustification'];
  44      }
  45      if ( isset( $attributes['textAlign'] ) ) {
  46          $classes[] = 'has-text-align-' . $attributes['textAlign'];
  47      }
  48      if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
  49          $classes[] = 'has-link-color';
  50      }
  51  
  52      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
  53  
  54      return sprintf( '<div %1$s>', $wrapper_attributes ) .
  55      ( ! empty( $attributes['showAvatar'] ) ? '<div class="wp-block-post-author__avatar">' . $avatar . '</div>' : '' ) .
  56      '<div class="wp-block-post-author__content">' .
  57      ( ! empty( $byline ) ? '<p class="wp-block-post-author__byline">' . wp_kses_post( $byline ) . '</p>' : '' ) .
  58      '<p class="wp-block-post-author__name">' . $author_name . '</p>' .
  59      ( ! empty( $attributes['showBio'] ) ? '<p class="wp-block-post-author__bio">' . get_the_author_meta( 'user_description', $author_id ) . '</p>' : '' ) .
  60      '</div>' .
  61      '</div>';
  62  }
  63  
  64  /**
  65   * Registers the `core/post-author` block on the server.
  66   *
  67   * @since 5.9.0
  68   */
  69  function register_block_core_post_author() {
  70      register_block_type_from_metadata(
  71          __DIR__ . '/post-author',
  72          array(
  73              'render_callback' => 'render_block_core_post_author',
  74          )
  75      );
  76  }
  77  add_action( 'init', 'register_block_core_post_author' );