My site is organized into topics. Users can switch between topics on any page, at any time. I would like to be able to pass this topic along from page to page. I am guessing this should be done in a php post or get variable. I can grab the topic from the post or get variable and then run the rest of my site. However, this seems like it requires a form on every page to pass along this variable. As of now, the only way I have passed post or get variables was from forms on the previous page. I have never passed along these variables over several pages. Will I need a form on every page to pass these variables? Also, is this the standard way of doing this?
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You should probably use GET, because it sounds like you’re just trying to display different information, and POST is supposed to be for performing changes or actions.
If you decide to use GET variables, all you have to do is append them to the end of the link’s href: