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<?php
namespace DH\DoctrineAuditBundle\Reader;
use ArrayIterator;
use Countable;
use Doctrine\DBAL\Query\QueryBuilder;
use IteratorAggregate;
class Paginator implements Countable, IteratorAggregate
{
/**
* @var QueryBuilder
*/
private $query;
* @var int
private $count;
public function __construct($query)
$this->query = $query;
}
public function count()
$queryBuilder = $this->cloneQuery($this->query);
$result = $queryBuilder
->resetQueryPart('select')
->resetQueryPart('orderBy')
->setMaxResults(null)
->setFirstResult(null)
->select('COUNT(id)')
->execute()
->fetchColumn(0)
;
$this->count = false === $result ? 0 : $result;
return $this->count;
public function getIterator()
$offset = $this->query->getFirstResult();
$length = $this->query->getMaxResults();
$result = $this->cloneQuery($this->query)
->setMaxResults($length)
->setFirstResult($offset)
->fetchAll()
return new ArrayIterator($result);
private function cloneQuery(QueryBuilder $query): QueryBuilder
/** @var QueryBuilder $cloneQuery */
$cloneQuery = clone $query;
$cloneQuery->setParameters($query->getParameters());
return $cloneQuery;
DamienHarper /
DoctrineAuditBundle
