# msql_fetch_field

(PHP 4, PHP 5, PHP 7)

msql_fetch_field — Get field information

### 说明

msql_fetch_field ( resource `$result` [, int `$field_offset` = 0 ] ) : object

msql_fetch_field() can be used in order to obtain information about fields in a certain query result.

### 参数

`result`

  resource 型的结果集。此结果集来自对 msql_query() 的调用。

`field_offset`

  The field offset. If not specified, the next field that wasn't yet retrieved by msql_fetch_field() is retrieved.

### 返回值

Returns an object containing field information. The properties of the object are:

- name - column name

- table - name of the table the column belongs to

- not_null - 1 if the column cannot be `NULL`

- unique - 1 if the column is a unique key

- type - the type of the column

### 参见

- msql_field_seek() - Set field offset