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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  /**
   9   * write out a file to disk
  10   *
  11   * @param string $filename
  12   * @param string $contents
  13   * @param boolean $create_dirs
  14   * @return boolean
  15   */
  16  function smarty_core_write_file($params, &$smarty)
  17  {
  18      $_dirname = dirname($params['filename']);
  19  
  20      if ($params['create_dirs']) {
  21          $_params = array('dir' => $_dirname);
  22          require_once (SMARTY_CORE_DIR . 'core.create_dir_structure.php');
  23          smarty_core_create_dir_structure($_params, $smarty);
  24      }
  25  
  26      // write to tmp file, then rename it to avoid
  27      // file locking race condition
  28      $_tmp_file = tempnam($_dirname, 'wrt');
  29  
  30      if (!($fd = @fopen($_tmp_file, 'wb'))) {
  31          $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt');
  32          if (!($fd = @fopen($_tmp_file, 'wb'))) {
  33              $smarty->trigger_error("problem writing temporary file '$_tmp_file'");
  34              return false;
  35          }
  36      }
  37  
  38      fwrite($fd, $params['contents']);
  39      fclose($fd);
  40  
  41      // Delete the file if it allready exists (this is needed on Win,
  42      // because it cannot overwrite files with rename()
  43      if (file_exists($params['filename'])) {
  44          @unlink($params['filename']);
  45      }
  46      @rename($_tmp_file, $params['filename']);
  47      @chmod($params['filename'], $smarty->_file_perms);
  48  
  49      return true;
  50  }
  51  
  52  /* vim: set expandtab: */
  53  
  54  ?>