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<?php/**
 * Server-side rendering of the `core/post-author` block.
 *
 * @package WordPress
 */
 
 /**
 * Renders the `core/post-author` block on the server.
 *
 * @since 5.9.0
 *
 * @param  array    $attributes Block attributes.
 * @param  string   $content    Block default content.
 * @param  WP_Block $block      Block instance.
 * @return string Returns the rendered author block.
 */
 function render_block_core_post_author( $attributes, $content, $block ) {
 if ( ! isset( $block->context['postId'] ) ) {
 $author_id = get_query_var( 'author' );
 } else {
 $author_id = get_post_field( 'post_author', $block->context['postId'] );
 }
 
 if ( empty( $author_id ) ) {
 return '';
 }
 
 $avatar = ! empty( $attributes['avatarSize'] ) ? get_avatar(
 $author_id,
 $attributes['avatarSize']
 ) : null;
 
 $link        = get_author_posts_url( $author_id );
 $author_name = get_the_author_meta( 'display_name', $author_id );
 if ( ! empty( $attributes['isLink'] && ! empty( $attributes['linkTarget'] ) ) ) {
 $author_name = sprintf( '<a href="%1$s" target="%2$s">%3$s</a>', esc_url( $link ), esc_attr( $attributes['linkTarget'] ), $author_name );
 }
 
 $byline  = ! empty( $attributes['byline'] ) ? $attributes['byline'] : false;
 $classes = array();
 if ( isset( $attributes['itemsJustification'] ) ) {
 $classes[] = 'items-justified-' . $attributes['itemsJustification'];
 }
 if ( isset( $attributes['textAlign'] ) ) {
 $classes[] = 'has-text-align-' . $attributes['textAlign'];
 }
 if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
 $classes[] = 'has-link-color';
 }
 
 $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
 
 return sprintf( '<div %1$s>', $wrapper_attributes ) .
 ( ! empty( $attributes['showAvatar'] ) ? '<div class="wp-block-post-author__avatar">' . $avatar . '</div>' : '' ) .
 '<div class="wp-block-post-author__content">' .
 ( ! empty( $byline ) ? '<p class="wp-block-post-author__byline">' . wp_kses_post( $byline ) . '</p>' : '' ) .
 '<p class="wp-block-post-author__name">' . $author_name . '</p>' .
 ( ! empty( $attributes['showBio'] ) ? '<p class="wp-block-post-author__bio">' . get_the_author_meta( 'user_description', $author_id ) . '</p>' : '' ) .
 '</div>' .
 '</div>';
 }
 
 /**
 * Registers the `core/post-author` block on the server.
 *
 * @since 5.9.0
 */
 function register_block_core_post_author() {
 register_block_type_from_metadata(
 __DIR__ . '/post-author',
 array(
 'render_callback' => 'render_block_core_post_author',
 )
 );
 }
 add_action( 'init', 'register_block_core_post_author' );
 
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