ditto with pagination on cashed page?

<?php //only for forum highlighting
// Place immediately following a Ditto call
// Based on the function written by Aaron Hall, evilwalrus.org
// Ditto 2.1 start page fix & PHx workaround: Eol ([email protected])
if (!function_exists("generatePagination")) {
 function generatePagination($curPage, $totResults, $resultsPerPage) {
  $totPages = ceil($totResults / $resultsPerPage);
  $pagesBefore = $curPage - 1;
  $pagesAfter = $totPages - $curPage;
  $tabArr = array();
  if ($totPages > 15) {
    if ($pagesBefore > 7) {
      $tabArr = array(1, 2, 0);
      if ($pagesAfter > 7) {
        for ($i=($curPage-4); $i<$curPage; $i++) { $tabArr[] = $i; }
      } else {
        for ($i=($totPages-11); $i<$curPage; $i++) { $tabArr[] = $i; }
      }
    } else {
      for ($i=1; $i<$curPage; $i++) { $tabArr[] = $i; }
    }
    $tabArr[] = $curPage;
    if ($pagesAfter > 7) {
      if ($pagesBefore > 7) {
        for ($i=($curPage+1); $i<=$curPage+4; $i++) { $tabArr[] = $i; }
      } else {
        for ($i=($curPage+1); $i<13; $i++) { $tabArr[] = $i; }
      }
      $tabArr[] = 0;
      $tabArr[] = $totPages-1;
      $tabArr[] = $totPages;
    } else {
      for ($i=($curPage+1); $i<=$totPages; $i++) { $tabArr[] = $i; }
    }
  } else {
    for ($i=1; $i<=$totPages; $i++) { $tabArr[] = $i; }
  }
  return $tabArr;
 }//function generatePagination end
}

$id = isset($id) ? $id.'_' : '';
$total = isset($total) ? $total : $modx->getPlaceholder($id."total");
$start = isset($start) ? $start : $modx->getPlaceholder($id."urlStart");
$summarize = isset($summarize) ? $summarize : $modx->getPlaceholder($id."perPage");
$currentPage = isset($currentPage) ? $currentPage : $modx->getPlaceholder($id."current");
$landing = isset($tagDocumentID) ? $tagDocumentID : $modx->documentObject['id'];
if ($total == 0 || $summarize == 0) {
  return false;
}
$page = ($start/$summarize)+1;
$output = isset($output) ? $output : 0;
$paginationArray = generatePagination($page, $total, $summarize);
$ph = "";
$cInc = $_GET[$id.'start'];
foreach ($paginationArray as $page) {
  $inc = ($page-1) * $summarize;
  if ($page == 0) { 
    $ph .= "..."; // represents pages that aren't displayed
  } else if ($inc == $cInc) {
    $ph .= "<span class=\"active\">{$page}</span>";
  } else {
    $ph .= "<a class=\"page\" href=\"".ditto::buildURL("start=".$inc, $landing, $id)."\">{$page}</a>\n";
  }
}
$modx->setPlaceholder("{$id}pagesplit", $ph);
if ($output) { return "
 <div class=\"pages\">
  <strong>[+{$id}start+]</strong>-<strong>[+{$id}stop+]</strong> od <strong>[+{$id}total+]</strong>
  [+{$id}previous+] {$ph} [+{$id}next+]
 </div>";
}