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                # PHP mysqli_change_user() 函數 ## 實例 改變指定數據庫連接的用戶: ``` <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); } // Reset all and select a new database mysqli_change_user($link, "my_user", "my_password", "my_test"); mysqli_close($con); ?> ``` ## 定義和用法 mysqli_change_user() 函數改變指定數據庫連接的用戶,并設置當前數據庫。 ## 語法 mysqli_change_user(_connection,username,password,dbname);_ | 參數 | 描述 | | --- | --- | | _connection_ | 必需。規定要使用的 MySQL 連接。 | | _username_ | 必需。規定 MySQL 用戶名。 | | _password_ | 必需。規定 MySQL 密碼。 | | _dbname_ | 必需。規定要改變的新數據庫。 | ## 技術細節 | 返回值: | 如果成功則返回 TRUE,如果失敗則返回 FALSE。 | | :-- | --- | | PHP 版本: | 5+ | | :-- | --- |
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