months-from-duration
The number of months in a duration
Description
The fn:months-from-duration function calculates the months component of a normalized xs:duration value, as an integer between -11 and 11 inclusive. This is not necessarily the same as the integer that appears before the M in the value. For example, if the duration is P18M, the function returns 6 rather than 18. This is because 12 of those months are considered to be one year, and the normalized value is therefore P1Y6M.
For a function that returns the total number of months as a decimal number, see functx:total-months-from-duration.
Parameters |
Description |
|---|---|
arg:numeric() |
Examples
XPath |
Results |
|---|---|
months-from-duration(xs:yearMonthDuration(‘P3M’)) |
3 |
months-from-duration(xs:yearMonthDuration(‘-P18M’)) |
-6 |
months-from-duration(xs:yearMonthDuration(‘P1Y’)) |
0 |
months-from-duration(xs:yearMonthDuration(‘P12M’)) |
0 |