odbc_num_fields
(PHP 4, PHP 5)
odbc_num_fields — Number of columns in a result
说明
int odbc_num_fields ( resource $result_id )Gets the number of fields (columns) in an ODBC result.
参数
- result_id
-
The result identifier returned by odbc_exec().
返回值
Returns the number of fields, or -1 on error.
