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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/post-author-biography` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/post-author-biography` block on the server.
  10   *
  11   * @since 6.0.0
  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 post author biography block.
  17   */
  18  function render_block_core_post_author_biography( $attributes, $content, $block ) {
  19      if ( isset( $block->context['postId'] ) ) {
  20          $author_id = get_post_field( 'post_author', $block->context['postId'] );
  21      } else {
  22          $author_id = get_query_var( 'author' );
  23      }
  24  
  25      if ( empty( $author_id ) ) {
  26          return '';
  27      }
  28  
  29      $author_biography = get_the_author_meta( 'description', $author_id );
  30      if ( empty( $author_biography ) ) {
  31          return '';
  32      }
  33  
  34      $align_class_name   = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
  35      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
  36  
  37      return sprintf( '<div %1$s>', $wrapper_attributes ) . $author_biography . '</div>';
  38  }
  39  
  40  /**
  41   * Registers the `core/post-author-biography` block on the server.
  42   *
  43   * @since 6.0.0
  44   */
  45  function register_block_core_post_author_biography() {
  46      register_block_type_from_metadata(
  47          __DIR__ . '/post-author-biography',
  48          array(
  49              'render_callback' => 'render_block_core_post_author_biography',
  50          )
  51      );
  52  }
  53  add_action( 'init', 'register_block_core_post_author_biography' );