public function AliasWhitelist::get in Drupal 9

Gets value from the cache.

Parameters

string $key: Key that identifies the data.

Return value

mixed The corresponding cache data.

Overrides CacheCollector::get

File

core/modules/path_alias/src/AliasWhitelist.php, line 83

Class

AliasWhitelist

Extends CacheCollector to build the path alias whitelist over time.

Namespace

Drupal\path_alias

Code

public function get($offset) {
  $this
    ->lazyLoadCache();

  // this may be called with paths that are not represented by menu router
  // items such as paths that will be rewritten by hook_url_outbound_alter().
  // Therefore internally TRUE is used to indicate whitelisted paths. FALSE is
  // used to indicate paths that have already been checked but are not
  // whitelisted, and NULL indicates paths that have not been checked yet.
  if (isset($this->storage[$offset])) {
    if ($this->storage[$offset]) {
      return TRUE;
    }
  }
  elseif (array_key_exists($offset, $this->storage)) {
    return $this
      ->resolveCacheMiss($offset);
  }
}