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lang-php
the use of conjunctions ("and", "or" etc.) in method names usually suggest that the Single Responsibility Principle is not properly respectedThis is not the case for the examples you listed, where the conjunction is used to clarify the mechanism used to handle failures, not to indicate it may do one thing or another. Even the most narrowly-defined function may have legitimate failure conditions, e.g. popping an empty stack.Int32.TryParseandInt32.Parse-- both parse a string into an integer, but the former returns a Boolean indicating success and the latter throws on failure.Try...,...OrNull,...OrDefault. @EricLippert That's not the only convention in .net. ConsiderSinglevs.SingleOrDefault, which is very close to theOrNullthe OP suggested.