在服务器上注册`core/post-terms`区块。

function register_block_core_post_terms() {
	$taxonomies = get_taxonomies(
		array(
			'public'       => true,
			'show_in_rest' => true,
		),
		'objects'
	);

	// Split the available taxonomies to `built_in` and custom ones,
	// in order to prioritize the `built_in` taxonomies at the
	// search results.
	$built_ins         = array();
	$custom_variations = array();

	// Create and register the eligible taxonomies variations.
	foreach ( $taxonomies as $taxonomy ) {
		$variation = array(
			'name'        => $taxonomy->name,
			'title'       => $taxonomy->label,
			/* translators: %s: taxonomy's label */
			'description' => sprintf( __( 'Display the assigned taxonomy: %s' ), $taxonomy->label ),
			'attributes'  => array(
				'term' => $taxonomy->name,
			),
			'isActive'    => array( 'term' ),
		);
		// Set the category variation as the default one.
		if ( 'category' === $taxonomy->name ) {
			$variation['isDefault'] = true;
		}
		if ( $taxonomy->_builtin ) {
			$built_ins[] = $variation;
		} else {
			$custom_variations[] = $variation;
		}
	}

	register_block_type_from_metadata(
		__DIR__ . '/post-terms',
		array(
			'render_callback' => 'render_block_core_post_terms',
			'variations'      => array_merge( $built_ins, $custom_variations ),
		)
	);
}