[TYPO3-core] RFC: some missing is_array checks again

[Dmitry Dulepov]

Hi!

Wolfgang Klinger wrote:
>  I got some errors while playing around with the extension manager ;-)
>  so I had to find out what's going on...
> 
>  Take a look at the attached patches, there's nothing fancy, but it
>  fixes some warnings.

+1.

Dmitry.
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"It is our choices, that show what we truly are,
far more than our abilities." (A.P.W.B.D.)