function block_install
Implements hook_install().
File
- 
              core/modules/ block/ block.install, line 13 
Code
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',
  ]);
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
