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2

you may need to wrap $slug in quotes $course = $wpdb->get_results( "SELECT * FROM wp_posts where post_name = '$slug'" );


1

So if you're sure you want to delete the actual term as well as the relationship that assigns the term to the post, this will do it (tested and works for me): delete term from wpterm_taxonomy term, wpterm_relationships rel where term.term_taxonomy_id = rel.term_taxonomy_id and rel.object_id IN (1) ; And obviously replace the '1' there with how you're ...


1

There are several problems with your function. For example, $tablename points to a table that does not exist. And you don't need it anyway. If you are trying to create a new user if that email does not exist then try this: function register_user() { global $wpdb; $name = $_POST['name']; $email = $_POST['email']; $password = $_POST['...


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It looks like this is the new part of this query causing the problem, is that right? (SELECT term_taxonomy_id FROM wp_BOMEGAterm_relationships WHERE object_id = p.ID) AS categories If so the error message is clear: a sub-select in this query should only return one row. If it returns more than one row it doesn't know how to mash all those many rows into the ...


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