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I use the "domain access" and the "domain locale" module for a multisite installation.
I have several subsites with differents languages, and several subsites with only a defined language.
With these modules I must activate several languages, and define the prefixs (en, fr, it...).
I want to remove/hide the prefix language (in the urls) for the sites that have only one defined language.
I have created a simple module trying to list out some fields from the database. However, I couldn't figure out how to expose a field for filtering, e.g title, just like how we easily do it via Views module. Any idea? Here is part of the code: