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libs/SMARTY/internals/core.write_cache_file.php 3.54 KB
42868d70   andryeyev   Создал GIT
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  <?php
  /**
   * Smarty plugin
   * @package Smarty
   * @subpackage plugins
   */
  
  /**
   * Prepend the cache information to the cache file
   * and write it
   *
   * @param string $tpl_file
   * @param string $cache_id
   * @param string $compile_id
   * @param string $results
   * @return true|null
   */
  
   // $tpl_file, $cache_id, $compile_id, $results
  
  function smarty_core_write_cache_file($params, &$smarty)
  {
  
      // put timestamp in cache header
      $smarty->_cache_info['timestamp'] = time();
      if ($smarty->cache_lifetime > -1){
          // expiration set
          $smarty->_cache_info['expires'] = $smarty->_cache_info['timestamp'] + $smarty->cache_lifetime;
      } else {
          // cache will never expire
          $smarty->_cache_info['expires'] = -1;
      }
  
      // collapse nocache.../nocache-tags
      if (preg_match_all('!\{(/?)nocache\:[0-9a-f]{32}#\d+\}!', $params['results'], $match, PREG_PATTERN_ORDER)) {
          // remove everything between every pair of outermost noache.../nocache-tags
          // and replace it by a single nocache-tag
          // this new nocache-tag will be replaced by dynamic contents in
          // smarty_core_process_compiled_includes() on a cache-read
          
          $match_count = count($match[0]);
          $results = preg_split('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!', $params['results'], -1, PREG_SPLIT_DELIM_CAPTURE);
          
          $level = 0;
          $j = 0;
          for ($i=0, $results_count = count($results); $i < $results_count && $j < $match_count; $i++) {
              if ($results[$i] == $match[0][$j]) {
                  // nocache tag
                  if ($match[1][$j]) { // closing tag
                      $level--;
                      unset($results[$i]);
                  } else { // opening tag
                      if ($level++ > 0) unset($results[$i]);
                  }
                  $j++;
              } elseif ($level > 0) {
                  unset($results[$i]);
              }
          }
          $params['results'] = implode('', $results);
      }
      $smarty->_cache_info['cache_serials'] = $smarty->_cache_serials;
  
      // prepend the cache header info into cache file
      $_cache_info = serialize($smarty->_cache_info);
      $params['results'] = strlen($_cache_info) . "\n" . $_cache_info . $params['results'];
  
      if (!empty($smarty->cache_handler_func)) {
          // use cache_handler function
          call_user_func_array($smarty->cache_handler_func,
                               array('write', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null));
      } else {
          // use local cache file
  
          if(!@is_writable($smarty->cache_dir)) {
              // cache_dir not writable, see if it exists
              if(!@is_dir($smarty->cache_dir)) {
                  $smarty->trigger_error('the $cache_dir \'' . $smarty->cache_dir . '\' does not exist, or is not a directory.', E_USER_ERROR);
                  return false;
              }
              $smarty->trigger_error('unable to write to $cache_dir \'' . realpath($smarty->cache_dir) . '\'. Be sure $cache_dir is writable by the web server user.', E_USER_ERROR);
              return false;
          }
  
          $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']);
          $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id);
          $_params = array('filename' => $_cache_file, 'contents' => $params['results'], 'create_dirs' => true);
          require_once(SMARTY_CORE_DIR . 'core.write_file.php');
          smarty_core_write_file($_params, $smarty);
          return true;
      }
  }
  
  /* vim: set expandtab: */
  
  ?>