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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' => $_dirname);
  22          require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.create_dir_structure.php');
  23          smarty_core_create_dir_structure($_params, $smarty);
  24      }
  25  
  26      // write to tmp file, then rename it to avoid
  27      // file locking race condition
  28      $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('');
  29  
  30      if (!($fd = @fopen($_tmp_file, 'w'))) {
  31          $smarty->trigger_error("problem writing temporary file '$_tmp_file'");
  32          return false;
  33      }
  34  
  35      fwrite($fd, $params['contents']);
  36      if (isset($params['timestamp'])) {
  37         touch($_tmp_file, $params['timestamp']);
  38      }
  39      fclose($fd);
  40      if(file_exists($params['filename'])) {
  41          @unlink($params['filename']);
  42      }
  43      @rename($_tmp_file, $params['filename']);
  44      @chmod($params['filename'], $smarty->_file_perms);
  45  
  46      return true;
  47  }
  48  
  49  /* vim: set expandtab: */
  50  
  51  ?>