<?php declare(strict_types=1); namespace Doctrine\ORM\Persisters; use Doctrine\ORM\Exception\PersisterException; use function sprintf; final class MatchingAssociationFieldRequiresObject extends PersisterException { public static function fromClassAndAssociation(string $class, string $associationName): self { return new self(sprintf( 'Cannot match on %s::%s with a non-object value. Matching objects by id is ' . 'not compatible with matching on an in-memory collection, which compares objects by reference.', $class, $associationName )); } }