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