src/Validation/Laravel/DoctrinePresenceVerifier.php
public function getCount($collection, $column, $value, $excludeId = null, $idColumn = null, array $extra = []) {
        $idColumn = $idColumn !== null ? $idColumn : 'id';

        $qb = $this->createCountQuery($collection)
                   ->where('o.' . $column . ' = :value')
                   ->setParameter('value', $value);

        if (!is_null($excludeId) && $excludeId != 'NULL')  {
            $qb->andWhere('o.' . $idColumn .' <> :excludeId')
               ->setParameter('excludeId', $excludeId);
        }

        foreach($extra as $key => $extraValue) {
            $this->addWhere($qb, $key, $extraValue);
        }

        return (int) $qb->getQuery()->getSingleScalarResult();
    }
public function getCount($collection, $column, $value, $excludeId = null, $idColumn = null, array $extra = []) {
        $idColumn = $idColumn !== null ? $idColumn : 'id';

        $qb = $this->createCountQuery($collection)
                   ->where('o.' . $column . ' = :value')
                   ->setParameter('value', $value);

        if (!is_null($excludeId) && $excludeId != 'NULL')  {
            $qb->andWhere('o.' . $idColumn .' <> :excludeId')
               ->setParameter('excludeId', $excludeId);
        }

        foreach($extra as $key => $extraValue) {
            $this->addWhere($qb, $key, $extraValue);
        }

        return (int) $qb->getQuery()->getSingleScalarResult();
    }
Count the number of objects in a collection having the given value.

@param  string $collection
@param  string $column
@param  string $value
@param  int $excludeId
@param  string $idColumn
@param  array $extra
@return int