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libs/SMARTY/internals/core.write_file.php 1.48 KB
42868d70   andryeyev   Создал GIT
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  <?php
  /**
   * Smarty plugin
   * @package Smarty
   * @subpackage plugins
   */
  
  /**
   * write out a file to disk
   *
   * @param string $filename
   * @param string $contents
   * @param boolean $create_dirs
   * @return boolean
   */
  function smarty_core_write_file($params, &$smarty)
  {
      $_dirname = dirname($params['filename']);
  
      if ($params['create_dirs']) {
          $_params = array('dir' => $_dirname);
          require_once(SMARTY_CORE_DIR . 'core.create_dir_structure.php');
          smarty_core_create_dir_structure($_params, $smarty);
      }
  
      // write to tmp file, then rename it to avoid file locking race condition
      $_tmp_file = tempnam($_dirname, 'wrt');
  
      if (!($fd = @fopen($_tmp_file, 'wb'))) {
          $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt');
          if (!($fd = @fopen($_tmp_file, 'wb'))) {
              $smarty->trigger_error("problem writing temporary file '$_tmp_file'");
              return false;
          }
      }
  
      fwrite($fd, $params['contents']);
      fclose($fd);
  
      if (PHP_OS == 'Windows' || !@rename($_tmp_file, $params['filename'])) {
          // On platforms and filesystems that cannot overwrite with rename() 
          // delete the file before renaming it -- because windows always suffers
          // this, it is short-circuited to avoid the initial rename() attempt
          @unlink($params['filename']);
          @rename($_tmp_file, $params['filename']);
      }
      @chmod($params['filename'], $smarty->_file_perms);
  
      return true;
  }
  
  /* vim: set expandtab: */
  
  ?>