function pum_typenow() {
	if ( ! empty ( $GLOBALS['typenow'] ) ) {
		return $GLOBALS['typenow'];
	}

	// when editing pages, $typenow isn't set until later!
	// try to pick it up from the query string
	if ( ! empty( $_GET['post_type'] ) ) {
		return sanitize_text_field( $_GET['post_type'] );
	} elseif ( ! empty( $_GET['post'] ) && $_GET['post'] > 0 ) {
		$post = get_post( $_GET['post'] );
	} elseif ( ! empty( $_POST['post_ID'] ) && $_POST['post_ID'] > 0 ) {
		$post = get_post( $_POST['post_ID'] );
	}

	return isset( $post ) && is_object( $post ) && $post->ID > 0 ? $post->post_type : false;
}