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                # PHP mysqli_multi_query() 函數 ## 實例 執行多個針對數據庫的查詢: ``` <?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(); } $sql = "SELECT Lastname FROM Persons ORDER BY LastName;"; $sql .= "SELECT Country FROM Customers"; // Execute multi query if (mysqli_multi_query($con,$sql)) { do { // Store first result set if ($result=mysqli_store_result($con)) { while ($row=mysqli_fetch_row($result)) { printf("%sn",$row[0]); } mysqli_free_result($con); } } while (mysqli_next_result($con)); } mysqli_close($con); ?> ``` ## 定義和用法 mysqli_multi_query() 函數執行一個或多個針對數據庫的查詢。多個查詢用分號進行分隔。 ## 語法 mysqli_multi_query(_connection,query_)_;_ | 參數 | 描述 | | --- | --- | | _connection_ | 必需。規定要使用的 MySQL 連接。 | | _query_ | 必需。規定一個或多個查詢,用分號進行分隔。 | ## 技術細節 | 返回值: | 如果第一個查詢失敗則返回 FALSE。 | | :-- | --- | | PHP 版本: | 5+ | | :-- | --- |
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