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 Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Validator\Mapping\Cache;

use Symfony\Component\Validator\Mapping\ClassMetadata;
class ApcCache implements CacheInterface {
  private $prefix;
  public function __construct($prefix) {
    if (!extension_loaded('apc')) {
      throw new \RuntimeException('Unable to use ApcCache to cache validator mappings as APC is not enabled.');
    }
    $this->prefix = $prefix;
  }
  public function has($class) {
    if (!function_exists('apc_exists')) {
      $exists = false;
      apc_fetch($this->prefix . $class, $exists);
      return $exists;
    }
    return apc_exists($this->prefix . $class);
  }
  public function read($class) {
    return apc_fetch($this->prefix . $class);
  }
  public function write(ClassMetadata $metadata) {
    apc_store($this->prefix . $metadata
      ->getClassName(), $metadata);
  }

}