MyChat Scripts Engine: DaysBetween
Function to calculate how many whole days between two dates.
Syntax
function DaysBetween(dNow, dThen: double): integer;
Parameters and return values
|
Parameter |
Type |
Value |
|
dNow |
double |
first value of the date and time; |
|
dtThen |
double |
second value of the date and time. |
Function result
The number of whole days. The function always returns a positive result, it means, the parameters can be interchangeable (it does not matter if the first parameter is the greater or less).
Example
var
dtFrom, dtNow: double;
begin
// first day of 2000 year
dtFrom := EncodeDateTime(2000, 1, 1, 1, 0, 0, 0);
// and now
dtNow := Now;
// print this dates
mLogScript('From date: ' + FormatDateTime('mm.dd.yyyy hh:nn:ss', dtFrom), '');
mLogScript('To date: ' + FormatDateTime('mm.dd.yyyy hh:nn:ss', dtNow), '');
mLogScript('Whole days: ' + IntToStr(DaysBetween(dtFrom, dtNow)), '');
end.
Script work result
[20:10:26] (Log "DaysBetween"): From date: 01.01.2000 01:00:00
[20:10:26] (Log "DaysBetween"): To date: 07.03.2016 20:10:26
[20:10:26] (Log "DaysBetween"): Whole days: 6028