> When a field is declared as an integer, not null and is the primary,
> how would I address it's empty set?
> ex: if($value == ???)
> {
> bla
> bla
> bla
> }
> My condition wants there to be nothing in $value.

The entire point of NOT NULL is that there will never be nothing in

You either need to remove the NOT NULL and allow there to be NULL values, or
re-think your algorithm.

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