ApcCache.php

1. 8.x drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Cache/ApcCache.php
2. 8.x drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Cache/ApcCache.php
3. 8.x drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Mapping/Cache/ApcCache.php

<?php

/*
 * This file is part of the Assetic package, an OpenSky project.
 *
 * (c) 2010-2013 OpenSky Project Inc
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Assetic\Cache;


/**
 * Uses APC to cache files
 *
 * @author André Roaldseth <andre@roaldseth.net>
 */
class ApcCache implements CacheInterface {
  public $ttl = 0;

  /**
   * @see CacheInterface::has()
   */
  public function has($key) {
    return apc_exists($key);
  }

  /**
   * @see CacheInterface::get()
   */
  public function get($key) {
    $value = apc_fetch($key, $success);
    if (!$success) {
      throw new \RuntimeException('There is no cached value for ' . $key);
    }
    return $value;
  }

  /**
   * @see CacheInterface::set()
   */
  public function set($key, $value) {
    $store = apc_store($key, $value, $this->ttl);
    if (!$store) {
      throw new \RuntimeException('Unable to store "' . $key . '" for ' . $this->ttl . ' seconds.');
    }
    return $store;
  }

  /**
   * @see CacheInterface::remove()
   */
  public function remove($key) {
    return apc_delete($key);
  }

}