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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   * @param  array    $attributes Block attributes.
  12   * @param  string   $content    Block default content.
  13   * @param  WP_Block $block      Block instance.
  14   * @return string Returns the rendered author block.
  15   */
  16  function render_block_core_post_author( $attributes, $content, $block ) {
  17      if ( ! isset( $block->context['postId'] ) ) {
  18          return '';
  19      }
  20  
  21      $author_id = get_post_field( 'post_author', $block->context['postId'] );
  22      if ( empty( $author_id ) ) {
  23          return '';
  24      }
  25  
  26      $avatar = ! empty( $attributes['avatarSize'] ) ? get_avatar(
  27          $author_id,
  28          $attributes['avatarSize']
  29      ) : null;
  30  
  31      $byline  = ! empty( $attributes['byline'] ) ? $attributes['byline'] : false;
  32      $classes = array_merge(
  33          isset( $attributes['itemsJustification'] ) ? array( 'items-justified-' . $attributes['itemsJustification'] ) : array(),
  34          isset( $attributes['textAlign'] ) ? array( 'has-text-align-' . $attributes['textAlign'] ) : array()
  35      );
  36  
  37      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
  38  
  39      return sprintf( '<div %1$s>', $wrapper_attributes ) .
  40      ( ! empty( $attributes['showAvatar'] ) ? '<div class="wp-block-post-author__avatar">' . $avatar . '</div>' : '' ) .
  41      '<div class="wp-block-post-author__content">' .
  42      ( ! empty( $byline ) ? '<p class="wp-block-post-author__byline">' . esc_html( $byline ) . '</p>' : '' ) .
  43      '<p class="wp-block-post-author__name">' . get_the_author_meta( 'display_name', $author_id ) . '</p>' .
  44      ( ! empty( $attributes['showBio'] ) ? '<p class="wp-block-post-author__bio">' . get_the_author_meta( 'user_description', $author_id ) . '</p>' : '' ) .
  45      '</div>' .
  46      '</div>';
  47  }
  48  
  49  /**
  50   * Registers the `core/post-author` block on the server.
  51   */
  52  function register_block_core_post_author() {
  53      register_block_type_from_metadata(
  54          __DIR__ . '/post-author',
  55          array(
  56              'render_callback' => 'render_block_core_post_author',
  57          )
  58      );
  59  }
  60  add_action( 'init', 'register_block_core_post_author' );