StructCount

Description

Counts the keys in a structure.

Returns

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

Category

Structure functions

Function syntax

StructCount(structure)

See also

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

History

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

Parameters

Example

<!--- 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> --->

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