00001 <?php 00025 require_once 'Zend/Navigation/Container.php'; 00026 00035 class Zend_Navigation extends Zend_Navigation_Container 00036 { 00043 public function __construct($pages = null) 00044 { 00045 if (is_array($pages) || $pages instanceof Zend_Config) { 00046 $this->addPages($pages); 00047 } elseif (null !== $pages) { 00048 require_once 'Zend/Navigation/Exception.php'; 00049 throw new Zend_Navigation_Exception( 00050 'Invalid argument: $pages must be an array, an ' . 00051 'instance of Zend_Config, or null'); 00052 } 00053 } 00054 }