ColdFusion Ordered ArgumentCollection Behavior Depends On ColdFusion Version And Invocation Context

code-1.cfm

<cffunction
	name="echoArguments"
	access="public"
	returntype="any"
	output="false"
	hint="I simply return the arguments collection to demonstrate their structure to the calling context.">

	<!---
		NOTE: In this demo, we are not going to define any
		CFArgument tags - we are just going to let the invocation
		context define the arguments.
	--->

	<!--- Return the arguments. --->
	<cfreturn arguments />
</cffunction>

code-2.cfm

<h1>
	CF8 - No CFArgument Tags
</h1>


<!---
	Create the argument collection at a struct using "ordered" keys.
	Since the Arguments of a function can be addressed as both named
	and ordered arguments, this allows for some awesome flexability.
--->
<cfset myArguments = {} />
<cfset myArguments[ 1 ] = "Katie (1st Arg)" />
<cfset myArguments[ 2 ] = "Colleen (2nd Arg)" />


<!--- ----------------------------------------------------- --->
<!--- ----------------------------------------------------- --->


<!---
	Now, we are going to try and echo the argument collection we
	just created using the CFInvoke tag.
--->
<h2>
	CFInvoke Tag Invocation
</h2>

<!--- Pass in the arguments collection. --->
<cfinvoke
	returnvariable="result"
	method="echoArguments"
	argumentcollection="#myArguments#"
	/>

<!--- Output the results. --->
<cfdump
	var="#result#"
	label="CFInvoke Invocation"
	/>


<!--- ----------------------------------------------------- --->
<!--- ----------------------------------------------------- --->


<!---
	Now, we are going to try and echo the argument collection using
	standard method invocation and the argumentCollection command.
--->
<h2>
	Method Invocation
</h2>

<!--- Pass in the arguments collection. --->
<cfset result = echoArguments( argumentCollection = myArguments ) />

<!--- Output the results. --->
<cfdump
	var="#result#"
	label="Method Invocation"
	/>

code-3.cfm

<cffunction
	name="echoArguments"
	access="public"
	returntype="any"
	output="false"
	hint="I simply return the arguments collection to demonstrate their structure to the calling context.">

	<!--- Define arguments. --->
	<cfargument name="girl1" />
	<cfargument name="girl2" />

	<!--- Return the arguments. --->
	<cfreturn arguments />
</cffunction>

code-4.cfm

<cffunction
	name="echoArguments"
	access="public"
	returntype="any"
	output="false"
	hint="I simply return the arguments collection to demonstrate their structure to the calling context.">

	<!---
		NOTE: In this demo, we are not going to define any
		CFArgument tags - we are just going to let the invocation
		context define the arguments.
	--->

	<!--- Return the arguments. --->
	<cfreturn arguments />
</cffunction>

code-5.cfm

<h1>
	CF9 (No Updater) - No CFArgument Tags
</h1>


<!---
	Create the argument collection at a struct using "ordered" keys.
	Since the Arguments of a function can be addressed as both named
	and ordered arguments, this allows for some awesome flexability.
--->
<cfset myArguments = {} />
<cfset myArguments[ 1 ] = "Katie (1st Arg)" />
<cfset myArguments[ 2 ] = "Colleen (2nd Arg)" />


<!--- ----------------------------------------------------- --->
<!--- ----------------------------------------------------- --->


<!---
	Now, we are going to try and echo the argument collection we
	just created using the CFInvoke tag.
--->
<h2>
	CFInvoke Tag Invocation
</h2>

<!--- Pass in the arguments collection. --->
<cfinvoke
	returnvariable="result"
	method="echoArguments"
	argumentcollection="#myArguments#"
	/>

<!--- Output the results. --->
<cfdump
	var="#result#"
	label="CFInvoke Invocation"
	/>


<!--- ----------------------------------------------------- --->
<!--- ----------------------------------------------------- --->


<!---
	Now, we are going to try and echo the argument collection using
	standard method invocation and the argumentCollection command.
--->
<h2>
	Method Invocation
</h2>

<!--- Pass in the arguments collection. --->
<cfset result = echoArguments( argumentCollection = myArguments ) />

<!--- Output the results. --->
<cfdump
	var="#result#"
	label="Method Invocation"
	/>

code-6.cfm

<cffunction
	name="echoArguments"
	access="public"
	returntype="any"
	output="false"
	hint="I simply return the arguments collection to demonstrate their structure to the calling context.">

	<!--- Define arguments. --->
	<cfargument name="girl1" />
	<cfargument name="girl2" />

	<!--- Return the arguments. --->
	<cfreturn arguments />
</cffunction>