[Yaml] Add flag to dump numeric key as string #17594

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[Yaml] Add flag to dump numeric key as string#17594

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YamlhasPRA Pull Request has already been submitted for this issue.A Pull Request has already been submitted for this issue.

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6.3

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derrabus

opened on Dec 19, 2022

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Q	A
Feature PR	symfony/symfony#48127
PR author(s)	@alamirault
Merged in	6.3

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YamlhasPRA Pull Request has already been submitted for this issue.A Pull Request has already been submitted for this issue.

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