PDO::setAttribute

Description

bool PDO::setAttribute ( int attribute, mixed value )

警告

本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

Sets a database connection attribute. The generic PDO connection attributes include:

PDO_ATTR_CASE: Force column names to a specific case.
- PDO_CASE_LOWER: Force column names to lower case.
- PDO_CASE_NATURAL: Leave column names as returned by the database driver.
- PDO_CASE_UPPER: Force column names to upper case.

PDO drivers may define further driver-specific attributes.