fix(hydra): format datetime fields as iso 8601 in cursor pagination urls#8241
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soyuka merged 1 commit intoJun 4, 2026
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Casting a DateTimeInterface to string raises "Object of class DateTime could not be converted to string". Format datetimes as ISO 8601 (ATOM) so the cursor URL roundtrips through Doctrine's date filter. Fixes api-platform#8085
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Summary
Casting a
DateTimeInterfaceto string raisesObject of class DateTime could not be converted to stringinHydra\Serializer\PartialCollectionViewNormalizer::cursorPaginationFields(). Format datetime values as ISO 8601 (ATOM) so they serialize cleanly and roundtrip through Doctrine'sDateFilterwhen the client follows the cursor URL.Reproduction
GetCollection(paginationViaCursor: [['field' => 'createdAt', 'direction' => 'DESC']], paginationPartial: true)on an entity whosecreatedAtis aDateTimeImmutable(e.g. Gedmo Timestampable) returned HTTP 500 on the listing endpoint.Test plan
tests/Functional/JsonLd/CursorPaginationDateTimeTest.php(red without fix, green with).DatedCursorDummyfixture undertests/Fixtures/TestBundle/Entity/Issue8085/.vendor/bin/phpunit src/Hydra/Tests tests/Functional/JsonLd/CursorPaginationDateTimeTest.php— 56 tests, 227 assertions, OK.Fixes #8085