Disable All Search

// Disable All Search / Kiri Vadivelu / 2026

function disable_search_query( $query, $error = true ) {

    if ( is_search() && !is_admin() ) {

        $query->is_search       = false;

        $query->query_vars['s'] = false;

        $query->query['s']      = false;

        if ( $error ) {

            $query->is_404 = true;

        }

    }

}

add_action( 'parse_query', 'disable_search_query' );