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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   * @author Monte Ohrt <monte at ohrt dot com>
  18   * @param array
  19   * @param Smarty
  20   */
  21  function smarty_function_eval($params, &$smarty)
  22  {
  23  
  24      if (!isset($params['var'])) {
  25          $smarty->trigger_error("eval: missing 'var' parameter");
  26          return;
  27      }
  28  
  29      if($params['var'] == '') {
  30          return;
  31      }
  32  
  33      $smarty->_compile_source('evaluated template', $params['var'], $_var_compiled);
  34  
  35      ob_start();
  36      $smarty->_eval('?>' . $_var_compiled);
  37      $_contents = ob_get_contents();
  38      ob_end_clean();
  39  
  40      if (!empty($params['assign'])) {
  41          $smarty->assign($params['assign'], $_contents);
  42      } else {
  43          return $_contents;
  44      }
  45  }
  46  
  47  /* vim: set expandtab: */
  48  
  49  ?>