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I'm trying to call this anywhere in the browseimage template. The reason is, I'm trying to convert the drop down list "Sort By" into clickable links. I'd do that by copying the destination URL of each link, and replacing the userid with u=$userid. Yet, I can't seem to call the userid.
If theirs any alternative route to turn drop down links into clickable links, that'd be easier. I'd still be interested in the $userid function though.
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