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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Config;
  13  
  14  /**
  15   * Interface for a ConfigCache factory. This factory creates
  16   * an instance of ConfigCacheInterface and initializes the
  17   * cache if necessary.
  18   *
  19   * @author Matthias Pigulla <mp@webfactory.de>
  20   */
  21  interface ConfigCacheFactoryInterface
  22  {
  23      /**
  24       * Creates a cache instance and (re-)initializes it if necessary.
  25       *
  26       * @param string   $file     The absolute cache file path
  27       * @param callable $callable The callable to be executed when the cache needs to be filled (i. e. is not fresh). The cache will be passed as the only parameter to this callback
  28       *
  29       * @return ConfigCacheInterface The cache instance
  30       */
  31      public function cache($file, $callable);
  32  }