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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  
   9  /**
  10   * Smarty {eval} function plugin
  11   *
  12   * Type:     function<br>
  13   * Name:     eval<br>
  14   * Purpose:  evaluate a template variable as a template<br>
  15   * @link http://smarty.php.net/manual/en/language.function.eval.php {eval}
  16   *       (Smarty online manual)
  17   * @param array
  18   * @param Smarty
  19   */
  20  function smarty_function_eval($params, &$smarty)
  21  {
  22  
  23      if (!isset($params['var'])) {
  24          $smarty->trigger_error("eval: missing 'var' parameter");
  25          return;
  26      }
  27  
  28      if($params['var'] == '') {
  29          return;
  30      }
  31  
  32      $smarty->_compile_source('evaluated template', $params['var'], $_var_compiled);
  33  
  34      ob_start();
  35      $smarty->_eval('?>' . $_var_compiled);
  36      $_contents = ob_get_contents();
  37      ob_end_clean();
  38  
  39      if (!empty($params['assign'])) {
  40          $smarty->assign($params['assign'], $_contents);
  41      } else {
  42          return $_contents;
  43      }
  44  }
  45  
  46  /* vim: set expandtab: */
  47  
  48  ?>