Symfony Profiler

<?php
namespace Knp\Component\Pager\Event\Subscriber\Sortable;
use Knp\Component\Pager\PaginatorInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Knp\Component\Pager\Event\ItemsEvent;
class PropelQuerySubscriber implements EventSubscriberInterface
{
public function items(ItemsEvent $event)
{
// Check if the result has already been sorted by an other sort subscriber
$customPaginationParameters = $event->getCustomPaginationParameters();
if (!empty($customPaginationParameters['sorted']) ) {
return;
}
$query = $event->target;
if ($query instanceof \ModelCriteria) {
$event->setCustomPaginationParameter('sorted', true);
if (isset($_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]])) {
$part = $_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]];
$directionParam = $event->options[PaginatorInterface::SORT_DIRECTION_PARAMETER_NAME];
$direction = (isset($_GET[$directionParam]) && strtolower($_GET[$directionParam]) === 'asc')
? 'asc' : 'desc';
if (isset($event->options[PaginatorInterface::SORT_FIELD_WHITELIST])) {
if (!in_array($_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]], $event->options[PaginatorInterface::SORT_FIELD_WHITELIST])) {
throw new \UnexpectedValueException("Cannot sort by: [{$_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]]}] this field is not in whitelist");
}
}
$query->orderBy($part, $direction);
}
}
}
public static function getSubscribedEvents()
{
return array(
'knp_pager.items' => array('items', 1)
);
}
}

vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/Subscriber/Sortable/PropelQuerySubscriber.php line 11