diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/blocks/post-author-name.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/post-author-name.php	Fri Sep 05 18:40:08 2025 +0200
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Server-side rendering of the `core/post-author-name` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/post-author-name` block on the server.
+ *
+ * @since 6.2.0
+ *
+ * @param  array    $attributes Block attributes.
+ * @param  string   $content    Block default content.
+ * @param  WP_Block $block      Block instance.
+ * @return string Returns the rendered post author name block.
+ */
+function render_block_core_post_author_name( $attributes, $content, $block ) {
+	if ( isset( $block->context['postId'] ) ) {
+		$author_id = get_post_field( 'post_author', $block->context['postId'] );
+	} else {
+		$author_id = get_query_var( 'author' );
+	}
+
+	if ( empty( $author_id ) ) {
+		return '';
+	}
+
+	$author_name = get_the_author_meta( 'display_name', $author_id );
+	if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {
+		$author_name = sprintf( '<a href="%1$s" target="%2$s" class="wp-block-post-author-name__link">%3$s</a>', get_author_posts_url( $author_id ), esc_attr( $attributes['linkTarget'] ), $author_name );
+	}
+
+	$classes = array();
+	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>%2$s</div>', $wrapper_attributes, $author_name );
+}
+
+/**
+ * Registers the `core/post-author-name` block on the server.
+ *
+ * @since 6.2.0
+ */
+function register_block_core_post_author_name() {
+	register_block_type_from_metadata(
+		__DIR__ . '/post-author-name',
+		array(
+			'render_callback' => 'render_block_core_post_author_name',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_post_author_name' );