block.install

<?php


/**
 * @file
 * Contains install and update functions for Block.
 */
use Drupal\Core\Cache\Cache;

/**
 * Implements hook_install().
 */
function block_install() {
    // Because the Block module upon installation unconditionally overrides all
    // HTML output by selecting a different page display variant, we must
    // invalidate all cached HTML output.
    Cache::invalidateTags([
        'rendered',
    ]);
}

/**
 * Implements hook_update_last_removed().
 */
function block_update_last_removed() {
    return 8003;
}