pg_num_fields() returns the number of fields (columns) in a PostgreSQL result. The argument is a result resource returned by pg_query(). This function will return -1 on error.
Замечание: This function used to be called pg_numfields().
See also pg_num_rows() and pg_affected_rows().
| Пред. | Начало | След. |
| pg_meta_data | Уровень выше | pg_num_rows |