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<?php enum Foo: string { case X = 'x'; case Y = 'y'; } var_dump(Foo::tryFrom(null));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Foo::tryFrom(): Passing null to parameter #1 ($value) of type string|int is deprecated in /in/6ALlv on line 9 NULL

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