CFLib.org – Common Function Library Project

Description:
Returns the decade (xxx0-xxx9) to which the specified year belongs.

Return Values:
Returns a string

Example:

#decade("1983")# = 1980-1989<br />
#listFirst(decade("1983"), "-")# = 1980<br />
#listLast(decade("1983"), "-")# = 1989<br />

Parameters:

Full UDF Source:

<!---
 Returns the decade (xxx0-xxx9) to which the specified year belongs.
 
 @param year      Year to use (Required)
 @return Returns a string 
 @author Mosh Teitelbaum (mosh.teitelbaum@evoch.com) 
 @version 1, July 27, 2012 
--->
<cffunction name="decade" returntype="string" output="no">
    <cfargument name="year" type="numeric" required="yes">

    <cfset var startYear = arguments.year - (arguments.year MOD 10)>
    <cfset var endYear = arguments.year + (10 - (arguments.year MOD 10) - 1)>

    <cfreturn startYear & "-" & endYear>
</cffunction>