Another quick bug fix.
For some reason, WordPress doesn’t take arguments like ?s=term&cat=1,2 but strips the ‘,2’. Now you can just say ?s=term&cats=1,2 and it’ll work like a charm.
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Usually, WordPress supports one category, one tag and one taxonomy in the search, if you use the query variables to set the taxonomies. You can enter multiple taxonomies as parameters to the query, but only the first one is used. If you want to have multiple taxonomies involved, you need……For taxonomies, having a dropdown select is usually the best option. You can create dropdowns with the wp_dropdown_categories() function. It works for all taxonomies, despite the name. The important thing is to change the ‘name’ parameter for each dropdown. So, in our case, we would have two dropdowns, like this,……in the search form code: wp_dropdown_categories( array( ‘name’ => ‘movie_director’, ‘taxonomy‘ => ‘director’ ) ); wp_dropdown_categories( array( ‘name’ => ‘movie_actor’, ‘taxonomy‘ => ‘actor’ ) ); Introducing the query variables WordPress cleans out unknown query variables for data hygiene reasons. That’s a good thing, but a bit of a complication for…
