Possible split term

gistfile1.php

function bugs_update_content_split_terms( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
    $term_meta = get_option( 'taxonomy_' . $old_term_id );
 
    if (  'espn_bug' === $taxonomy && $term_meta ) {
        // We have a match, so we swap out the old tag ID for the new one and resave the option.
        update_option( 'taxonomy_' . $new_term_id, $term_meta );
    }
}
add_action( 'split_shared_term', 'bugs_update_content_split_terms', 10, 4 );