function 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

File

core/lib/Drupal/Core/Path/AliasManager.php, line 172

Class

AliasManager

The default alias manager implementation.

Namespace

Code

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 = $this->preloadedPathLookups ?: [];
        foreach ($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);
    }
}