[fw-general] Doubt about best practice on zf2 module exceptions.

[Marcos Lois Bermúdez]

Hi,

I'm a newbie in ZF2, I spent last two weeks, surfing the code, and lots of
zf2 application modules to see the best practices, make some tests apps to
fit all together.

I see that lots of modules declare empty Exception classes extending the
PHP built-in ones, RuntimeException, InvalidArgumentException, etc. and
creating a ExceptionInterface per module, is this a good practice? Why no
reuse the already PHP built-in Exceptions?

Sorry if it's a stupid question, I only want know why lot of people in
different projects use this approach.

Regards.