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                # PHP mysqli_fetch_array() 函數 ## 實例 從結果集中取得一行作為數字數組或關聯數組: ``` <?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,Age FROM Persons ORDER BY Lastname"; $result=mysqli_query($con,$sql) // Numeric array $row=mysqli_fetch_array($result,MYSQLI_NUM); printf ("%s (%s)n",$row[0],$row[1]); // Associative array $row=mysqli_fetch_array($result,MYSQLI_ASSOC); printf ("%s (%s)n",$row["Lastname"],$row["Age"]); // Free result set mysqli_free_result($result); mysqli_close($con); ?> ``` ## 定義和用法 mysqli_fetch_array() 函數從結果集中取得一行作為關聯數組,或數字數組,或二者兼有。 **注釋:**該函數返回的字段名是區分大小寫的。 ## 語法 mysqli_fetch_array(_result,resulttype_)_;_ | 參數 | 描述 | | --- | --- | | _result_ | 必需。規定由 mysqli_query()、mysqli_store_result() 或 mysqli_use_result() 返回的結果集標識符。 | | _resulttype_ | 可選。規定應該產生哪種類型的數組。可以是以下值中的一個: `MYSQLI_ASSOC` `MYSQLI_NUM` `MYSQLI_BOTH` | ## 技術細節 | 返回值: | 返回與讀取行匹配的字符串數組。如果結果集中沒有更多的行則返回 NULL。 | | :-- | --- | | PHP 版本: | 5+ | | :-- | --- |
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