1 <?php

     2 

     3 /**

     4  * class for undefined variable object

     5  * This class defines an object for undefined variable handling

     6  *

     7  * @package    Smarty

     8  * @subpackage Template

     9  */

    10 class Smarty_Undefined_Variable {

    11     /**

    12      * Returns FALSE for 'nocache' and NULL otherwise.

    13      *

    14      * @param  string $name

    15      *

    16      * @return bool

    17      */

    18     public function __get($name) {

    19         if ($name == 'nocache') {

    20             return false;

    21         } else {

    22             return null;

    23         }

    24     }

    25 

    26     /**

    27      * Always returns an empty string.

    28      *

    29      * @return string

    30      */

    31     public function __toString() {

    32         return "";

    33     }

    34 }