A simple Zend_Paginator that is capable of storing the current page number into a session

SessionAwarePaginator.php

<?php

/**
 * Description
 * 
 * @author Marco Pivetta <[email protected]>
 */
class SessionAwarePaginator extends Zend_Paginator {
    
    const DEFAULT_SESSION_NS = 'SessionAwarePaginator';
    
    /**
     * 
     * @var Zend_Session_Namespace
     */
    protected $_pageNs;
    
    public function __construct($adapter, $ns = self::DEFAULT_SESSION_NS)
    {
        parent::__construct($adapter);
        $this->_pageNs = new Zend_Session_Namespace($ns);
        $this->setCurrentPageNumber($this->getCurrentPageNumber());
    }
    
    public function setCurrentPageNumber($pageNumber)
    {
        $this->_pageNs->page = (int) $pageNumber;
        parent::setCurrentPageNumber($this->_pageNs->page);
    }
    
    public function getCurrentPageNumber() {
        $this->_currentPageNumber = (int) $this->_pageNs->page;
        return parent::getCurrentPageNumber();
    }
    
}