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vendor/phpunit/php-token-stream/src/Token/Stream/CachingFactory.php 1.27 KB
ad2e91f7   Mihail   move multyparser ...
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  <?php
  /*
   * This file is part of the PHP_TokenStream package.
   *
   * (c) Sebastian Bergmann <sebastian@phpunit.de>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  /**
   * A caching factory for token stream objects.
   *
   * @author    Sebastian Bergmann <sebastian@phpunit.de>
   * @copyright Sebastian Bergmann <sebastian@phpunit.de>
   * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
   * @link      http://github.com/sebastianbergmann/php-token-stream/tree
   * @since     Class available since Release 1.0.0
   */
  class PHP_Token_Stream_CachingFactory
  {
      /**
       * @var array
       */
      protected static $cache = array();
  
      /**
       * @param  string $filename
       * @return PHP_Token_Stream
       */
      public static function get($filename)
      {
          if (!isset(self::$cache[$filename])) {
              self::$cache[$filename] = new PHP_Token_Stream($filename);
          }
  
          return self::$cache[$filename];
      }
  
      /**
       * @param string $filename
       */
      public static function clear($filename = null)
      {
          if (is_string($filename)) {
              unset(self::$cache[$filename]);
          } else {
              self::$cache = array();
          }
      }
  }