On Wed, Jul 11, 2012 at 7:18 AM, Jason King <[email protected]> wrote:
> However, at the bottom, the 'returnString' variable is not called or > set with 'var'. > That's because var is a declaration keyword. You only do that once to keep that variable local in scope to the function within which it's declared. Question. Once you 'var' scope a variable in a function, do any calls > to that variable name within that function default to the 'var' scoped > one? > Yes. > > I'm just wondering how that would work. Within a parent document, you > have a variable 'returnString', and that parent document calls a > function that has a 'var' scoped variable named 'returnString' as > well. Which one gets used when the function calls 'returnString' ?? > Completely depends on what you set the return variable name to in the caller. <cfset foo = 1 /> <cfset foo = someCFC.someMethod() /> At that point foo is overwritten by whatever is returned from the CFC method. The variable *names* do not leak out of the CFC method. -- Matthew Woodward [email protected] http://blog.mattwoodward.com identi.ca / Twitter: @mpwoodward Please do not send me proprietary file formats such as Word, PowerPoint, etc. as attachments. http://www.gnu.org/philosophy/no-word-attachments.html -- online documentation: http://openbd.org/manual/ http://groups.google.com/group/openbd?hl=en
