>>Does Foxpro exaluate all ANDs before any ORs in a conditional statement, or does it evaluate them in order?
>>
>>How would VFP evaluate the following IF statement?
>>
>>c1 = "1"
>>c2 = "X"
>>c3 = "X"
>>
>>IF c1 = "1" or c2 = "2" and c3 = "3"
>>
>>Would it evaluate the previous IF statement to be like the first or second IF statement below?
>>
>>if (c1 = "1" or c2 = "2") and c3 = "3" && evaluates to .f.
>>if c1 = "1" or (c2 = "2" and c3 = "3") && evaluates to .t.
>>
>>Thanks - Brenda
>
>
> It evaluates like your second example. (.T.) But actually it only does the first part. The other two parts are not actually evaluated. You can see this by trying this:
>
>if c1() or c2() and c3()
>endif
>
>function c1
>messagebox('c1')
>
>function c2
>messagebox('c2')
>
>function c3
>messagebox('c3')
>
>Only the "c1" message displays.

As a follow up, if you change the c1 function to return .f., then all 3 functions execute. So there is an implied set of parentheses the same as your second example.