Why is my array_diff usage breaking things?
You’re getting the Fatal Error because array_diff() is comparing the WP_Term objects in your array to a string, and it can’t do that. Here’s one way to fix that: Replace $topic = array_diff($topic, [“expired”]); with: $my_topic = array(); foreach ( $topic as $term ) { if ( ‘expired’ !== $term->slug ) { // Adds $term … Read more