Symfony Profiler

<?php
namespace Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ODM\MongoDB;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Knp\Component\Pager\Event\ItemsEvent;
use Doctrine\ODM\MongoDB\Query\Query;
class QuerySubscriber implements EventSubscriberInterface
{
public function items(ItemsEvent $event)
{
if ($event->target instanceof Query) {
// items
$type = $event->target->getType();
if ($type !== Query::TYPE_FIND) {
throw new \UnexpectedValueException('ODM query must be a FIND type query');
}
static $reflectionProperty;
if (is_null($reflectionProperty)) {
$reflectionClass = new \ReflectionClass('Doctrine\MongoDB\Query\Query');
$reflectionProperty = $reflectionClass->getProperty('query');
$reflectionProperty->setAccessible(true);
}
$queryOptions = $reflectionProperty->getValue($event->target);
$queryOptions['limit'] = $event->getLimit();
$queryOptions['skip'] = $event->getOffset();
$resultQuery = clone $event->target;
$reflectionProperty->setValue($resultQuery, $queryOptions);
$cursor = $resultQuery->execute();
// set the count from the cursor
$event->count = $cursor->count();
$event->items = array();
// iterator_to_array for GridFS results in 1 item
foreach ($cursor as $item) {
$event->items[] = $item;
}
$event->stopPropagation();
}
}
public static function getSubscribedEvents()
{
return array(
'knp_pager.items' => array('items', 0)
);
}
}