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 */
 18function 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 */
 45function 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}
 53add_action( 'init', 'register_block_core_post_author_biography' );
 54