User Guide

Chapter 2: ColdFusion Functions 403
IsStruct
Returns TRUE if variable is a structure.
See also “Structure Functions” on page 250.
Syntax IsStruct( variable )
variable
Variable name.
Examples <!--- This view-only example illustrates usage of IsStruct. --->
<P>This file is similar to addemployee.cfm, which is called
by StructNew, StructClear, and StructDelete. It is an
example of a custom tag used to add employees. Employee
information is passed through the employee structure (the
EMPINFO attribute). In UNIX, you must also add the Emp_ID.
<!---
<CFSWITCH EXPRESSION="#ThisTag.ExecutionMode#">
<CFCASE VALUE="start">
<CFIF IsStruct(attributes.EMPINFO)>
<CFOUTPUT>Error. Invalid data.</CFOUTPUT>
<CFEXIT METHOD="ExitTag">
<CFELSE>
<CFQUERY NAME="AddEmployee" DATASOURCE="cfsnippets">
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</CFOUTPUT>
</CFCASE>
</CFSWITCH> --->