Also cant we some how automate the BC break testing for this (aka
scan all functions that accept an array with the old API in 5.2,
pass it an ArrayObject instance and see what happens and compare
that to 5.3)?
Yes we can ;) That should be not hard to do by looking at ones
having 'a' in parameters in 5.3 and comparing how they react to
arrays in 5.2 and in 5.3. Some of them, btw, might accept objects
even though it doesn't make much sense - as above.
This isn't the type of thing that I would naturally expect to find
broken in a .x release, so if we can preserve the old behaviour with
little to no penalty, I suggest we go for that.
S
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