This seems strange to me, but perhaps it is expected behavior. If you
have a function that has an argument with required="false" and in that
function you loop over collection="#arguments#", the loop includes
that argument.
<cffunction name="test">
<cfargument name="foo" required="true">
<cfargument name="bar" required="false">
<cfdump var="#arguments#"><cfabort >
</cffunction>
<cfoutput>#test(foo='hello')#</cfoutput>
The cfdump output will show both foo and bar, with bar saying
[undefined struct element]. It is in the collection. I want to loop
through the collection but not see that argument if it wasn't passed
in. My solution for now is along these lines:
<cfloop collection="#arguments#" item="theKey">
<cfif StructKeyExists(arguments, theKey)>
... code here ...
</cfif>
</cfloop>
It seems strange to have to do this, but if I don't, then code will
run for an argument that shouldn't.
--
Matt Williams
"It's the question that drives us."
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