Counts the keys in a structure.

A number; if structure does not exist, throws an exception.

Structure functions

StructCount(structure)

Structure functions; "Modifying a ColdFusion XML object" in Chapter 35, "Using XML and WDDX," in ColdFusion MX Developer's Guide

ColdFusion MX: Changed behavior: this function can be used on XML objects.

<!--- This view-only example shows use of StructCount. --->
<p>This file is similar to addemployee.cfm, which is called by 
StructNew, StructClear, and StructDelete. To test, copy 
StructCount function to appropriate place in addemployee.cfm.
<!--- 
<cfswitch expression = "#ThisTag.ExecutionMode#">
  <cfcase value = "start">
   <cfif StructIsEmpty(attributes.EMPINFO)>
    <cfoutput>Error. No employee data was passed.</cfoutput>
     <cfexit method = "ExitTag">
   <cfelse>
    <cfquery name = "AddEmployee" datasource = "cfdocexamples">
     INSERT INTO Employees
       (FirstName, LastName, Email, Phone, Department)
      VALUES 
       <cfoutput>
        (
         `#StructFind(attributes.EMPINFO, "firstname")#' ,
         `#StructFind(attributes.EMPINFO, "lastname")#' ,
         `#StructFind(attributes.EMPINFO, "email")#' ,
         `#StructFind(attributes.EMPINFO, "phone")#' ,
         `#StructFind(attributes.EMPINFO, "department")#'
         )
       </cfoutput> 
     </cfquery>
   </cfif>
   <cfoutput><hr>Employee Add Complete
     <p>#StructCount(attributes.EMPINFO)# columns added.</cfoutput>
  </cfcase>
</cfswitch> --->