ohnotnow

For instance, say I have an 'annual review' form for people. Last year 
they had to fill out training courses attended, this year they don't.
Next year the form changes completely but is still called an 'annual
review' as far as the business is concerned.  The forms can change 
pretty much any time - not just on a nice annual cycle (naturally).

There are also process/logic changes like one year a review has to be 
signed off by the line manager.  Next year it has to be also signed off 
by their unit head.  The year after there is an arbitration process 
introduced so if the person appeals the decision of $whoever was supposed 

ohnotnow

/**
  The allocate_ids and remove_ids are from a multiselect so just an array of id's.
  Trying to end up with a structure like :
  [
    123 => ['is_accepted' => true],
    345 => ['is_accepted' => true],
    ...
  ]
  No matter how many variations of map/flatmap/values/blah I used I always either ended up
  with a collection of collections, or had re-keyed the collection to something like :