Within Views PHP, there are 2 fields. The
value code field and the
output code field. The first is used to calculate the value (for filtering, sorting, etc). The second is used to display the value.
So in the first field you'll have to perform your calculations and
return the final value. If your field is numeric, try to only calculate the number here. Prefixes and suffixes can be added in the output field. (So the value for this field could be
In the output field you again have to
return the final value. This can be the same value as calculated in the value field (there is a token for this value). But you can also append pre- and suffixes and return a string. (Here you can for instance append
days to the value to have it display