[Validator] Fix ValidValidator group cascading usage #33834
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nicolas-grekas
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Oct 4, 2019
xabbuh
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Oct 7, 2019
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Thank you @fancyweb. |
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…yweb) This PR was merged into the 3.4 branch. Discussion ---------- [Validator] Fix ValidValidator group cascading usage | Q | A | ------------- | --- | Branch? | 3.4 | Bug fix? | yes | New feature? | no | Deprecations? | no | Tickets | - | License | MIT | Doc PR | - `$this->context->getGroup()` returns `string` or `null`. `ContextualValidatorInterface::validate()` 3rd argument accepts an array but it must not contain `null` (its contract doesn't allow it). If it does, it will fail in `RecursiveContextualValidator::validateInGroup()` for example because of the `string` scalar type on the `$group` argument. (on 4.4) Note that in our "common" usage of the `Valid` constraint, the group in its validator will never be `null` because this constraint has a special treatment. However, if this validator is reused in a custom way, it can fail. Commits ------- 72684b0 [Validator] Fix ValidValidator group cascading usage
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$this->context->getGroup()returnsstringornull.ContextualValidatorInterface::validate()3rd argument accepts an array but it must not containnull(its contract doesn't allow it). If it does, it will fail inRecursiveContextualValidator::validateInGroup()for example because of thestringscalar type on the$groupargument. (on 4.4)Note that in our "common" usage of the
Validconstraint, the group in its validator will never benullbecause this constraint has a special treatment. However, if this validator is reused in a custom way, it can fail.