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   1  <?php
   2  /**

   3   * Smarty plugin

   4   *

   5   * @package Smarty

   6   * @subpackage PluginsModifierCompiler

   7   */
   8  
   9  /**

  10   * Smarty default modifier plugin

  11   *

  12   * Type:     modifier<br>

  13   * Name:     default<br>

  14   * Purpose:  designate default value for empty variables

  15   *

  16   * @link http://www.smarty.net/manual/en/language.modifier.default.php default (Smarty online manual)

  17   * @author Uwe Tews

  18   * @param array $params parameters

  19   * @return string with compiled code

  20   */
  21  function smarty_modifiercompiler_default ($params, $compiler)
  22  {
  23      $output = $params[0];
  24      if (!isset($params[1])) {
  25          $params[1] = "''";
  26      }
  27      
  28      array_shift($params);
  29      foreach ($params as $param) {
  30          $output = '(($tmp = @' . $output . ')===null||$tmp===\'\' ? ' . $param . ' : $tmp)';
  31      }
  32      return $output;
  33  }
  34  
  35  ?>