class ApcCache in Plug 7

APC cache provider.

@link www.doctrine-project.org @since 2.0 @author Benjamin Eberlei <[e-mail]> @author Guilherme Blanco <[e-mail]> @author Jonathan Wage <[e-mail]> @author Roman Borschel <[e-mail]> @author David Abdemoulaie <[e-mail]>

Hierarchy

• class \Doctrine\Common\Cache\CacheProvider implements Cache, ClearableCache, FlushableCache, MultiGetCache
  • class \Doctrine\Common\Cache\ApcCache

2 files declare their use of ApcCache

ApcCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/ApcCacheTest.php

ChainCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/ChainCacheTest.php

File

lib/doctrine/cache/lib/Doctrine/Common/Cache/ApcCache.php, line 33

Namespace

Doctrine\Common\Cache

class ApcCache extends CacheProvider {

  /**
   * {@inheritdoc}
   */
  protected function doFetch($id) {
    return apc_fetch($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doContains($id) {
    return apc_exists($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doSave($id, $data, $lifeTime = 0) {
    return (bool) apc_store($id, $data, (int) $lifeTime);
  }

  /**
   * {@inheritdoc}
   */
  protected function doDelete($id) {
    return apc_delete($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doFlush() {
    return apc_clear_cache() && apc_clear_cache('user');
  }

  /**
   * {@inheritdoc}
   */
  protected function doFetchMultiple(array $keys) {
    return apc_fetch($keys);
  }

  /**
   * {@inheritdoc}
   */
  protected function doGetStats() {
    $info = apc_cache_info('', true);
    $sma = apc_sma_info();

    // @TODO - Temporary fix @see https://github.com/krakjoe/apcu/pull/42
    if (PHP_VERSION_ID >= 50500) {
      $info['num_hits'] = isset($info['num_hits']) ? $info['num_hits'] : $info['nhits'];
      $info['num_misses'] = isset($info['num_misses']) ? $info['num_misses'] : $info['nmisses'];
      $info['start_time'] = isset($info['start_time']) ? $info['start_time'] : $info['stime'];
    }
    return array(
      Cache::STATS_HITS => $info['num_hits'],
      Cache::STATS_MISSES => $info['num_misses'],
      Cache::STATS_UPTIME => $info['start_time'],
      Cache::STATS_MEMORY_USAGE => $info['mem_size'],
      Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'],
    );
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ApcCache::doContains	protected	function	Tests if an entry exists in the cache. Overrides CacheProvider::doContains
ApcCache::doDelete	protected	function	Deletes a cache entry. Overrides CacheProvider::doDelete
ApcCache::doFetch	protected	function	Fetches an entry from the cache. Overrides CacheProvider::doFetch
ApcCache::doFetchMultiple	protected	function	Default implementation of doFetchMultiple. Each driver that supports multi-get should owerwrite it. Overrides CacheProvider::doFetchMultiple
ApcCache::doFlush	protected	function	Flushes all cache entries. Overrides CacheProvider::doFlush
ApcCache::doGetStats	protected	function	Retrieves cached information from the data store. Overrides CacheProvider::doGetStats
ApcCache::doSave	protected	function	Puts data into the cache. Overrides CacheProvider::doSave
Cache::STATS_HITS		constant
Cache::STATS_MEMORY_AVAILABLE		constant
Cache::STATS_MEMORY_AVAILIABLE		constant	Only for backward compatibility (may be removed in next major release)
Cache::STATS_MEMORY_USAGE		constant
Cache::STATS_MISSES		constant
Cache::STATS_UPTIME		constant
CacheProvider::$namespace	private	property	The namespace to prefix all cache ids with.
CacheProvider::$namespaceVersion	private	property	The namespace version.
CacheProvider::contains	public	function	Tests if an entry exists in the cache. Overrides Cache::contains
CacheProvider::delete	public	function	Deletes a cache entry. Overrides Cache::delete
CacheProvider::deleteAll	public	function	Deletes all cache entries. Overrides ClearableCache::deleteAll
CacheProvider::DOCTRINE_NAMESPACE_CACHEKEY		constant
CacheProvider::fetch	public	function	Fetches an entry from the cache. Overrides Cache::fetch
CacheProvider::fetchMultiple	public	function	Returns an associative array of values for keys is found in cache. Overrides MultiGetCache::fetchMultiple
CacheProvider::flushAll	public	function	Flushes all cache entries. Overrides FlushableCache::flushAll
CacheProvider::getNamespace	public	function	Retrieves the namespace that prefixes all cache ids.
CacheProvider::getNamespaceCacheKey	private	function	Returns the namespace cache key.
CacheProvider::getNamespacedId	private	function	Prefixes the passed id with the configured namespace value.
CacheProvider::getNamespaceVersion	private	function	Returns the namespace version.
CacheProvider::getStats	public	function	Retrieves cached information from the data store. Overrides Cache::getStats
CacheProvider::save	public	function	Puts data into the cache. Overrides Cache::save
CacheProvider::setNamespace	public	function	Sets the namespace to prefix all cache ids with.	1