. PHP Manual . Prev . Next . (PHP 3 <= 3.0.18, PHP 4 >= 4.0.0) pg_fieldisnull -- Test if a field is NULL . int pg_fieldisnull ( resource result, int row, mixed field) . pg_fieldisnull() test if a field is NULL or not. It returns 1 if the field in the given row is NULL . It returns 0 if the field in the given row is NOT NULL . Field can be specified as column index (number) or fieldname (string). Row numbering starts at 0. Prev . Home . Next . pg_fetch_row . Up . pg_fieldname