Answered Top 5 read documents

<li><a href="[[~[[+id]]]]">[[+pagetitle]]</a></li>

<?php
$c = $modx->newQuery('modTemplateVarResource');
$c->sortby('value', 'DESC');
$c->limit(5);
$c->where(array('tmplvarid' => 12));

$tvrs = $modx->getCollection('modTemplateVarResource', $c);

foreach($tvrs as $tvr) {
  $resourceId = $tvr->get('contentid');
  $resource = $modx->getObject('modResource', $resourceId);
  $fields = array(
           'pagetitle' => $resource->get('pagetitle'),
           'id' => $resourceId,
       );
  $output .= $modx->getChunk('MyChunk', $fields); 
}
return $output;

<?php
$c = $modx->newQuery('modResource');
$c->sortby('description', 'DESC');
$c->limit(5);

$resources = $modx->getCollection('modResource', $c);

foreach ($resources as $resource) {
       $fields = array(
           'pagetitle' => $resource->get('pagetitle'),
           'id' => $resource->get('id'),
       );
      $output .= $modx->getChunk('MyChunk', $fields);
}

return $output;

<?php
$pagecount = $modx->resource->getTVValue('pagecount') + 1;
$tv = $modx->getObject('modTemplateVar', 12);
$tv->setValue($modx->resource->get('id'), $pagecount);
$tv->save();

<?php
$pagecount = $modx->resource->get('description') + 1;
$modx->resource->set('description', $pagecount);
$modx->resource->save();