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# mysql_change_user

(PHP 3>= 3.0.13)

mysql_change_user -- Change logged in user of the active connection

## Description

int mysql_change_user ( string user, string password [, string database [, resource link_identifier]] )

mysql_change_user() changes the logged in user of the current active connection, or the connection given by the optional link_identifier parameter. If a database is specified, this will be the current database after the user has been changed. If the new user and password authorization fails, the current connected user stays active. 成功回傳`TRUE`失敗回傳`FALSE`。

> 注: This deprecated function is only available in PHP 3 and requires MySQL 3.23.3 or higher.

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