文字
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.