Get a term each custom post type

or printed “Array”

That is your clue. Array indicates something is being returned, you just need to make use of it.

Try var_dump($processing) and see what the array contains. In my plugins I have a functioned called example_var_dump(); and it is setup to use 

 before the var_dump() line and

after it. This displays arrays in a readable fashion.

Plus I have a global variable for debugging mode. If that is set to false, my example_var_dump() function does nothing. This is to avoid dumping information in a released version after forgetting to removing var_dump() in complex scripts. Just a tip.

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