function pagination($pager)
{
    $uri = sfRouting :: getInstance()->getCurrentInternalUri();
    $html = '';

    if ($pager->haveToPaginate())
    {
        $uri .= strstr($uri, '?') ? '&page=' : '?page=';
        if ($pager->getPage() != 1)
        {
            $html .= '
' . link_to('first', $uri . '1') . '

';
            $html .= '
' . link_to('previous', $uri . $pager->getPreviousPage()) . '

';
        }
        foreach ($pager->getLinks() as $page)
        {
            if ($page == $pager->getPage())
                $html .= '
' . link_to($page, $uri . $page) . '

';
            else
                $html .= '
' . link_to($page, $uri . $page) . '

';
        }
        if ($pager->getPage() != $pager->getLastPage())
        {
            $html .= '
' . link_to('next', $uri . $pager->getNextPage()) . '

';
            $html .= '
' . link_to('last', $uri . $pager->getLastPage()) . '

';
        }
        $html = '
' . $html . '

';
    }
    return $html;
}

minial css

ul.pagination li {
    display: inline;
    list-style-type: none;
    padding-right: 1em;
}

In your template

echo use_helper('Pagination')
 echo pagination($pager)