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This patch updates PSR-7 to always use
@return static
instead of@return self
within method annotations, as done in php-fig/http-message#50. Per the discussion on that issue,static
is interpreted by phpDoc and most IDEs in such a way that it always resolves to the class against which it was invoked, and not the defining class, unlikeself
, which always resolves to the class in which it was originally defined. Additionally,static
has the connotation that a new instance, not the same instance, will be returned — which is the intention as outlined already in each method providing such a return value.