HELP NEEDED: recreating the cause of Travis' current test failures

Specially for arrays I think that one array helper will always be useful, at core and at app development there are often shits happening when someone wants to order or merge multidimensional arrays..
Maybe we can think for such helper, with defined several useful array functions. As ordering (by key / value), merging (deep merging),  check for keys or values existing and other functions.

I would be very much in favor of those types of array helpers if you want to submit a PR. Anything simple that PHP already covers is not needed, but the more involved things like the ones you mentioned I have no problems with. Some of them I use so infrequently that I have to re-teach myself how to do every time.

Ok I will try to find some time about such PR next week.

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