class ExpiringCache

Adds expiration to a cache backend.

@author Kris Wallsmith <kris.wallsmith@gmail.com>

Hierarchy

Expanded class hierarchy of ExpiringCache

File

drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Cache/ExpiringCache.php, line 19

Namespace

Assetic\Cache
View source
class ExpiringCache implements CacheInterface {
  private $cache;
  private $lifetime;
  public function __construct(CacheInterface $cache, $lifetime) {
    $this->cache = $cache;
    $this->lifetime = $lifetime;
  }
  public function has($key) {
    if ($this->cache
      ->has($key)) {
      if (time() < $this->cache
        ->get($key . '.expires')) {
        return true;
      }
      $this->cache
        ->remove($key . '.expires');
      $this->cache
        ->remove($key);
    }
    return false;
  }
  public function get($key) {
    return $this->cache
      ->get($key);
  }
  public function set($key, $value) {
    $this->cache
      ->set($key . '.expires', time() + $this->lifetime);
    $this->cache
      ->set($key, $value);
  }
  public function remove($key) {
    $this->cache
      ->remove($key . '.expires');
    $this->cache
      ->remove($key);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ExpiringCache::$cache private property
ExpiringCache::$lifetime private property
ExpiringCache::get public function Returns the value for a key. Overrides CacheInterface::get
ExpiringCache::has public function Checks if the cache has a value for a key. Overrides CacheInterface::has
ExpiringCache::remove public function Removes a value from the cache. Overrides CacheInterface::remove
ExpiringCache::set public function Sets a value in the cache. Overrides CacheInterface::set
ExpiringCache::__construct public function