## 例

`

     object mysql_fetch_field ( resource $result [, int $field_offset = 0 ] )

`

## 説明

Returns an object containing field information. This function can be used to obtain information about fields in the provided query result.

## 戻り値

Returns an object containing field information. The properties of the object are: name - column name table - name of the table the column belongs to max_length - maximum length of the column not_null - 1 if the column cannot be NULL primary_key - 1 if the column is a primary key unique_key - 1 if the column is a unique key multiple_key - 1 if the column is a non-unique key numeric - 1 if the column is numeric blob - 1 if the column is a BLOB type - the type of the column unsigned - 1 if the column is unsigned zerofill - 1 if the column is zero-filled