小規模データベース向き
$sql = 'SELECT * FROM table';
$itemData = $mdb2->queryAll($sql);
require_once('Pager.php');
$extraVars = array(
    'F' => 'function'
  , 'A' => 'action'
);
$params = array(
      'perPage'     => 5
    , 'itemData'    => $itemData
    , 'importQuery' => FALSE
    , 'extraVars'   => $extraVars
);
$pager = Pager::factory($params);
$data  = $pager->getPageData();
$links = $pager->getLinks();
大規模データベース向き
$sql = 'SELECT * FROM table';
$res = $mdb2->query($sql);
$total = $res->numRows();
require_once('Pager.php');
$extraVars = array(
    'F' => 'function'
  , 'A' => 'action'
);
$params = array(
      'perPage'     => 5
    , 'totalItems'  => $total
    , 'importQuery' => FALSE
    , 'extraVars'   => $extraVars
);
$pager = Pager::factory($params);
list($from, $to) = $pager->getOffsetByPageId();
$links = $pager->getLinks();
$mdb2->setLimit($params['perPage'], $from - 1);
$data = $mdb2->queryAll($sql);
全データ数
$total = $pager->numItems();
現在のページ
$current = $pager->getCurrentPageID();
全ページ数
$all = $pager->numPages();