[pmwiki-users] Setting Variables from a function called by markup

[Vince Administration]

In the Select Query Documentation:  http://www.pmwiki.org/wiki/Cookbook/SelectQuery
Ben Stallings and Guy Moreau wrote:
  I was unable to get PmWiki to recognize my changes to $FmtPV  at the time I was writing the recipe, and now that I know better I haven't gotten around to making the necessary changes.

I am also trying to set a variable somehow from a function called in markup, like SelectQuery,  and I would like to have this variable's value be displayable, and hopefully be recognized by 
(:if:) statements.  I don't care if it is a PV, a PTV, or something else.  But nothing I seem to be able to do can make the timing come out correctly.  What is the secret?

Thanks for your help.

      Vince

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