public AliasManager::writeCache()
Cache an array of the paths available on each page. We assume that aliases will be needed for the majority of these paths during subsequent requests, and load them in a single query during path alias lookup.
Overrides CacheDecoratorInterface::writeCache
public function writeCache() { // Check if the paths for this page were loaded from cache in this request // to avoid writing to cache on every request. if ($this->cacheNeedsWriting && !empty($this->cacheKey)) { // Start with the preloaded path lookups, so that cached entries for other // languages will not be lost. $path_lookups = $this->preloadedPathLookups ? : array(); foreach ($this->lookupMap as $langcode => $lookups) { $path_lookups[$langcode] = array_keys($lookups); if (!empty($this->noAlias[$langcode])) { $path_lookups[$langcode] = array_merge($path_lookups[$langcode], array_keys($this->noAlias[$langcode])); } } $twenty_four_hours = 60 * 60 * 24; $this->cache->set($this->cacheKey, $path_lookups, $this->getRequestTime() + $twenty_four_hours); } }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Path!AliasManager.php/function/AliasManager::writeCache/8.1.x