public function CacheTagsInvalidator::invalidateTags in Fastly 8.3

Marks cache items with any of the specified tags as invalid.

Parameters

string[] $tags: The list of tags for which to invalidate cache items.

Overrides CacheTagsInvalidatorInterface::invalidateTags

File

src/CacheTagsInvalidator.php, line 43

Class

CacheTagsInvalidator

Cache tags invalidator implementation that invalidates Fastly.

Namespace

Drupal\fastly

Code

public function invalidateTags(array $tags) {

  // When either an extension (module/theme) is (un)installed, purge
  // everything.
  if (in_array('config:core.extension', $tags)) {
    $this->api
      ->purgeAll();
    return;
  }

  // Ignore config:fastly.settings.
  if (in_array('config:fastly.settings', $tags)) {
    return;
  }

  // Also invalidate the cache tags as hashes, to automatically also work for
  // responses that exceed the 16 KB header limit.
  $all_tags_and_hashes = $this->cacheTagsHash
    ->cacheTagsToHashes($tags);
  $this->api
    ->purgeKeys($all_tags_and_hashes);
}