0 ) { $submit_classes_attr = implode( ' ', $classes ); } $query_args = array( 'passback_url' => Akismet_Admin::get_page_url(), 'redirect' => isset( $redirect ) ? $redirect : 'plugin-signup', ); // Set default UTM parameters, overriding with any provided values. $utm_args = array( 'utm_source' => isset( $utm_source ) ? $utm_source : 'akismet_plugin', 'utm_medium' => isset( $utm_medium ) ? $utm_medium : 'in_plugin', 'utm_campaign' => isset( $utm_campaign ) ? $utm_campaign : 'plugin_static_link', 'utm_content' => isset( $utm_content ) ? $utm_content : 'get_view_link', ); $query_args = array_merge( $query_args, $utm_args ); $url = add_query_arg( $query_args, 'https://akismet.com/get/' ); ?>