<?php declare(strict_types=1); namespace Doctrine\ORM\Internal\Hydration; use Doctrine\DBAL\Driver\Exception; use Doctrine\ORM\Exception\MultipleSelectorsFoundException; use function array_column; use function count; /** * Hydrator that produces one-dimensional array. */ final class ScalarColumnHydrator extends AbstractHydrator { /** * {@inheritdoc} * * @throws MultipleSelectorsFoundException * @throws Exception */ protected function hydrateAllData(): array { if (count($this->resultSetMapping()->fieldMappings) > 1) { throw MultipleSelectorsFoundException::create($this->resultSetMapping()->fieldMappings); } $result = $this->statement()->fetchAllNumeric(); return array_column($result, 0); } }