The URL Params WordPress Plugin allows you to access URL parameters in the Query String of the URL. The plugin even allows you to specify a default value in the shortcode if the parameter isn’t set, so if you want to say “Hello, FirstName” and FirstName isn’t set, it could say something like “Hello, Friend!” To specify a backup url parameter, enter multiple parameters seperated by commas. The plugin will check for each parameter, in order, until a matching one is found and return that. Failing finding any of the parameters you listed, the default will be ret...
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