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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      if ( ! post_type_supports( $block->context['postType'], 'author' ) ) {
  30          return '';
  31      }
  32  
  33      $avatar = ! empty( $attributes['avatarSize'] ) ? get_avatar(
  34          $author_id,
  35          $attributes['avatarSize']
  36      ) : null;
  37  
  38      $link        = get_author_posts_url( $author_id );
  39      $author_name = get_the_author_meta( 'display_name', $author_id );
  40      if ( ! empty( $attributes['isLink'] && ! empty( $attributes['linkTarget'] ) ) ) {
  41          $author_name = sprintf( '<a href="%1$s" target="%2$s">%3$s</a>', esc_url( $link ), esc_attr( $attributes['linkTarget'] ), $author_name );
  42      }
  43  
  44      $byline  = ! empty( $attributes['byline'] ) ? $attributes['byline'] : false;
  45      $classes = array();
  46      if ( isset( $attributes['itemsJustification'] ) ) {
  47          $classes[] = 'items-justified-' . $attributes['itemsJustification'];
  48      }
  49      if ( isset( $attributes['textAlign'] ) ) {
  50          $classes[] = 'has-text-align-' . $attributes['textAlign'];
  51      }
  52      if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
  53          $classes[] = 'has-link-color';
  54      }
  55  
  56      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
  57  
  58      return sprintf( '<div %1$s>', $wrapper_attributes ) .
  59      ( ! empty( $attributes['showAvatar'] ) ? '<div class="wp-block-post-author__avatar">' . $avatar . '</div>' : '' ) .
  60      '<div class="wp-block-post-author__content">' .
  61      ( ! empty( $byline ) ? '<p class="wp-block-post-author__byline">' . wp_kses_post( $byline ) . '</p>' : '' ) .
  62      '<p class="wp-block-post-author__name">' . $author_name . '</p>' .
  63      ( ! empty( $attributes['showBio'] ) ? '<p class="wp-block-post-author__bio">' . get_the_author_meta( 'user_description', $author_id ) . '</p>' : '' ) .
  64      '</div>' .
  65      '</div>';
  66  }
  67  
  68  /**
  69   * Registers the `core/post-author` block on the server.
  70   *
  71   * @since 5.9.0
  72   */
  73  function register_block_core_post_author() {
  74      register_block_type_from_metadata(
  75          __DIR__ . '/post-author',
  76          array(
  77              'render_callback' => 'render_block_core_post_author',
  78          )
  79      );
  80  }
  81  add_action( 'init', 'register_block_core_post_author' );