<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Navigation;
use Traversable;
/**
* A simple container class for {@link Zend\Navigation\Page} pages
*/
class Navigation extends AbstractContainer
{
/**
* Creates a new navigation container
*
* @param array|Traversable $pages [optional] pages to add
* @throws Exception\InvalidArgumentException if $pages is invalid
*/
public function __construct($pages = null)
{
if ($pages && (!is_array($pages) && !$pages instanceof Traversable)) {
throw new Exception\InvalidArgumentException(
'Invalid argument: $pages must be an array, an '
. 'instance of Traversable, or null'
);
}
if ($pages) {
$this->addPages($pages);
}
}
}