One correction; var is for making local variables in functions and has nothing to do directly with CFCs.
Matt Liotta President & CEO Montara Software, Inc. http://www.montarasoftware.com/ 888-408-0900 x901 > -----Original Message----- > From: Rob Rohan [mailto:[EMAIL PROTECTED]] > Sent: Monday, January 06, 2003 4:50 PM > To: CF-Talk > Subject: RE: CFC - Var vs. This > > One is private and one is public. > > For example, say you had a cfc that did encrypting. For some reason you > wanted to store the public key in the cfcomponent and use it in the > function > in that component. Further suppose you didn't want anyone to change / see > the key. If you used 'this' every one could 'see' the key, if you used var > you could use the variable inside the component and not allow it to be > 'seen' or changed. > > Hope that helps, > > Rob > > -----Original Message----- > From: Adrocknaphobia Jones [mailto:[EMAIL PROTECTED]] > Sent: Monday, January 06, 2003 1:41 PM > To: CF-Talk > Subject: RE: CFC - Var vs. This > > > Right. But what's the difference outside of syntax. Would I want to use > one over the other? Why would I want to use var over this inside a CF is > this is much more flexible? > > Adam Wayne Lehman > Web Systems Developer > Johns Hopkins Bloomberg School of Public Health > Distance Education Division > > > -----Original Message----- > From: Matt Liotta [mailto:[EMAIL PROTECTED]] > Sent: Monday, January 06, 2003 4:14 PM > To: CF-Talk > Subject: RE: CFC - Var vs. This > > The two are very different. "this" is the public variable scope for a > CFC instance. "var" is a keyword used to declare local function > variables. "this" can be used anywhere inside a CFC. "var" can only be > used immediately proceeding a function declaration or argument > specification of a function declaration. > > Matt Liotta > President & CEO > Montara Software, Inc. > http://www.montarasoftware.com/ > 888-408-0900 x901 > > > -----Original Message----- > > From: Adrocknaphobia Jones [mailto:[EMAIL PROTECTED]] > > Sent: Monday, January 06, 2003 4:07 PM > > To: CF-Talk > > Subject: CFC - Var vs. This > > > > Alright, > > > > So Christian says to declare all of your private CFC variables at the > > top of the function like so <cfset var value = 1>. > > Hal Helms recommends using <cfset this.value = 1>. Both obviously > work, > > but I'm wondering what the pros and cons are if any. > > > > Off the top of my head, it would seem that 'this' is more functional, > as > > it acts like any other scope and can be dumped. > > > > Adam Wayne Lehman > > Web Systems Developer > > Johns Hopkins Bloomberg School of Public Health > > Distance Education Division > > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Get the mailserver that powers this list at http://www.coolfusion.com Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
