public function CacheCacheTagsChecksum::getCurrentChecksum in Supercache 8

Same name and namespace in other branches

1. 2.0.x src/Cache/CacheCacheTagsChecksum.php \Drupal\supercache\Cache\CacheCacheTagsChecksum::getCurrentChecksum()

Returns the sum total of validations for a given set of tags.

Called by a backend when storing a cache item.

Parameters

string[] $tags: Array of cache tags.

Return value

string Cache tag invalidations checksum.

Overrides CacheTagsChecksumInterface::getCurrentChecksum

File

src/Cache/CacheCacheTagsChecksum.php, line 76

Contains \Drupal\supercache\Cache\CacheCacheTagsChecksum.

Class

CacheCacheTagsChecksum

Cache tags invalidations checksum implementation that uses a CacheRawBackendInterface as the storage.

Namespace

Drupal\supercache\Cache

Code

public function getCurrentChecksum(array $tags) {

  // Remove tags that were already invalidated during this request from the
  // static caches so that another invalidation can occur later in the same
  // request. Without that, written cache items would not be invalidated
  // correctly.
  foreach ($tags as $tag) {
    unset($this->invalidatedTags[$tag]);
  }
  return $this
    ->calculateChecksum($tags);
}