WordPress at a glance
function is not described

register_block_core_archives() WP 1.0

Register archives block.

No Hooks.

Return

Null. Nothing.

Usage

register_block_core_archives();

Code of register_block_core_archives() WP 5.6

<?php
function register_block_core_archives() {
	register_block_type_from_metadata(
		__DIR__ . '/archives',
		array(
			'render_callback' => 'render_block_core_archives',
		)
	);
}