Does it really look at second letter first or is that snippet taken out of context (it isn’t implied that it does in that email, just that it doesn’t use a libr

Does it really look at second letter first or is that snippet taken out of context (it isn’t implied that it does in that email, just that it doesn’t use a library function) ? Since most requests are GET it still makes sense to handle that case first. Though after trying to common cases looking at the second letter for the P subcases may save some branching.