Re: apparent variable variable display?

This WebDNA talk-list message is from

2000


It keeps the original formatting.
numero = 31321
interpreted = N
texte = The cart header values are only available inside an orderfile context. If your test is not inside an orderfile context, you are not looking in the right place.Put [orderfile ShoppingCarts/[cart]] around your test and see if that changes it. You can also make the previous link include somefile.tpl?command=showcartand that will put you in an implied orderfile context. John Butler wrote: > > John that makes total sense, but then why does- > > [showif [Header1]=[raw][Header1][/raw]] > > do stuff > > [/showif] > > do the stuff?!! I swear it does, and when I set that header I use- > [SetHeader cart=[cart]]Header1=[free][/SetHeader] > > ...so that eliminates the chance that I have given Header1 a literal value of [Header1] > (plus I just opened the orderfile with a text editor and the value of Header1 is 0) > > I don't understand how that showif can be true, but it is somehow. The exact code (on a > SSL page, Linux, webcat 3.08) is- > > [!]=======Do this if IE is force reloading this page from the server when user hits > back/forward button, then javascript jumps back a page =======[/!] > [showif [Header1]=[raw][Header1][/raw]] > > [/showif] > > could you try it as I have it? > > -John > > John Peacock wrote: > > > In Perl, this would be the difference between defined and exists. In > > your case, [Header40] is always defined (when in an order context). The > > test [showif [header40]=] should do what you want. Only if a variable > > has never been defined (i.e. never used) will > > > > [Header1]=[raw][Header1][/raw] > > > > be true > > > > John Peacock > > > > John Butler wrote: > > > > > > I finding something inconsistent, tho it might be my brain...? > > > I want to do something if one of the orderfile headers has not yet been given a value. > > > I have successfully been using this- > > > > > > [showif [Header1]=[raw][Header1][/raw]] > > > do stuff > > > [/showif] > > > > > > But when I stick this on my template- > > > > > > Header40=[Header40] > > > > > > Then it returns- > > > Header40= > > > > > > so which is it? Do undefined orderfile headers display as the null string (like empty > > > db fields), or do they display as uninitialized vars, like [somevar]? > > > If the former then why does my showif above evaluate to true? > > > > > > -John > > > > > > ------------------------------------------------------------- > > > This message is sent to you because you are subscribed to > > > the mailing list . > > > To unsubscribe, E-mail to: > > > To switch to the DIGEST mode, E-mail to > > > > ------------------------------------------------------------- > > This message is sent to you because you are subscribed to > > the mailing list . > > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Associated Messages, from the most recent to the oldest:

    
  1. Re: apparent variable variable display? (John Butler 2000)
  2. Re: apparent variable variable display? (John Butler 2000)
  3. Re: apparent variable variable display? (John Peacock 2000)
  4. Re: apparent variable variable display? (John Butler 2000)
  5. Re: apparent variable variable display? (John Peacock 2000)
  6. Re: apparent variable variable display? (Rob Marquardt 2000)
  7. apparent variable variable display? (John Butler 2000)
  8. Re: apparent variable variable display? (John Peacock 2000)
  9. Re: apparent variable variable display? (Scott Tolley 2000)
The cart header values are only available inside an orderfile context. If your test is not inside an orderfile context, you are not looking in the right place.Put [orderfile ShoppingCarts/[cart]] around your test and see if that changes it. You can also make the previous link include somefile.tpl?command=showcartand that will put you in an implied orderfile context. John Butler wrote: > > John that makes total sense, but then why does- > > [showif [Header1]=[raw][Header1][/raw]] > > do stuff > > [/showif] > > do the stuff?!! I swear it does, and when I set that header I use- > [SetHeader cart=[cart]]Header1=[free][/SetHeader] > > ...so that eliminates the chance that I have given Header1 a literal value of [Header1] > (plus I just opened the orderfile with a text editor and the value of Header1 is 0) > > I don't understand how that showif can be true, but it is somehow. The exact code (on a > SSL page, Linux, webcat 3.08) is- > > [!]=======Do this if IE is force reloading this page from the server when user hits > back/forward button, then javascript jumps back a page =======[/!] > [showif [Header1]=[raw][Header1][/raw]] > > [/showif] > > could you try it as I have it? > > -John > > John Peacock wrote: > > > In Perl, this would be the difference between defined and exists. In > > your case, [Header40] is always defined (when in an order context). The > > test [showif [header40]=] should do what you want. Only if a variable > > has never been defined (i.e. never used) will > > > > [Header1]=[raw][Header1][/raw] > > > > be true > > > > John Peacock > > > > John Butler wrote: > > > > > > I finding something inconsistent, tho it might be my brain...? > > > I want to do something if one of the orderfile headers has not yet been given a value. > > > I have successfully been using this- > > > > > > [showif [Header1]=[raw][Header1][/raw]] > > > do stuff > > > [/showif] > > > > > > But when I stick this on my template- > > > > > > Header40=[Header40] > > > > > > Then it returns- > > > Header40= > > > > > > so which is it? Do undefined orderfile headers display as the null string (like empty > > > db fields), or do they display as uninitialized vars, like [somevar]? > > > If the former then why does my showif above evaluate to true? > > > > > > -John > > > > > > ------------------------------------------------------------- > > > This message is sent to you because you are subscribed to > > > the mailing list . > > > To unsubscribe, E-mail to: > > > To switch to the DIGEST mode, E-mail to > > > > ------------------------------------------------------------- > > This message is sent to you because you are subscribed to > > the mailing list . > > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to John Peacock

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