Yes.
Any unscoped variable that is created in a function body is
automatically placed in the variables scope, which is "global" and not
localised to the function, hence future iterations of the same function
can read/overwrite that value. To localise a variable to the function,
prefix it with "var":
<cffunction name="foo">
<cfset bar = ""> <!--- "global" (in the variables scope) --->
<cfset var bar2 = ""> <!--- localised to the function --->
</cffunction>
Further info on scopes is in the livedocs:
http://short.badpen.com/?3LL2SK61
HTH,
Tim.
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