diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/blocks/post-terms.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/post-terms.php	Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,64 @@
+<?php
+/**
+ * Server-side rendering of the `core/post-terms` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/post-terms` block on the server.
+ *
+ * @param array    $attributes Block attributes.
+ * @param string   $content    Block default content.
+ * @param WP_Block $block      Block instance.
+ * @return string Returns the filtered post terms for the current post wrapped inside "a" tags.
+ */
+function render_block_core_post_terms( $attributes, $content, $block ) {
+	if ( ! isset( $block->context['postId'] ) || ! isset( $attributes['term'] ) ) {
+		return '';
+	}
+
+	if ( ! is_taxonomy_viewable( $attributes['term'] ) ) {
+		return '';
+	}
+
+	$post_terms = get_the_terms( $block->context['postId'], $attributes['term'] );
+	if ( is_wp_error( $post_terms ) ) {
+		return '';
+	}
+	if ( empty( $post_terms ) ) {
+		return '';
+	}
+
+	$align_class_name = empty( $attributes['textAlign'] ) ? '' : ' ' . "has-text-align-{$attributes['textAlign']}";
+
+	$terms_links = '';
+	foreach ( $post_terms as $term ) {
+		$terms_links .= sprintf(
+			'<a href="%1$s">%2$s</a> | ',
+			get_term_link( $term->term_id ),
+			esc_html( $term->name )
+		);
+	}
+	$terms_links        = trim( $terms_links, ' | ' );
+	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
+
+	return sprintf(
+		'<div %1$s>%2$s</div>',
+		$wrapper_attributes,
+		$terms_links
+	);
+}
+
+/**
+ * Registers the `core/post-terms` block on the server.
+ */
+function register_block_core_post_terms() {
+	register_block_type_from_metadata(
+		__DIR__ . '/post-terms',
+		array(
+			'render_callback' => 'render_block_core_post_terms',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_post_terms' );