Form Field as Array UDF

	<!--- Parse form fields of the same name as an array instead of a list, to avoid issues with commas 
	        more info: http://www.stillnetstudios.com/cf-form-array-comma-workaround/
	--->
	<cffunction name="FormFieldAsArray" returntype="array" output="false" hint="Returns a Form/URL variable as an array.">
		<cfargument name="fieldName" required="true" type="string" hint="Name of the Form or URL field" />

		<cfset var tmpPartsArray = Form.getPartsArray() />
		<cfset var returnArray = arrayNew(1) />
		<cfset var tmpPart = 0 />
		<cfset var tmpValueArray = "" >

		<!--- if the getPartsArray method did not return NULL, then this is a multipart/form-data request, which must be handled as such. --->
		<cfif IsDefined("tmpPartsArray")>
			<cfloop array="#tmpPartsArray#" index="tmpPart">
				<cfif tmpPart.isParam() AND tmpPart.getName() EQ arguments.fieldName>
					<cfset arrayAppend(returnArray, tmpPart.getStringValue()) />
				</cfif>
			</cfloop>
		</cfif>

		<!--- Add the values that maybe on the URL with the same name, also if this *wasn't* a multipart/form-data request then
		the above code did not get any of the data, and the method below will return all of it. --->
		<cfset tmpValueArray = getPageContext().getRequest().getParameterValues(arguments.fieldName) />

		<!--- that may have returned null, so need to test for it. --->
		<cfif IsDefined("tmpValueArray")>
			<cfloop array="#tmpValueArray#" index="tmpPart">
				<cfset arrayAppend(returnArray, tmpPart) />
			</cfloop>
		</cfif>

		<cfreturn returnArray />
	</cffunction>