打印两次数组值/php和pdo [英] printing out array value twice / php and pdo

问题描述

我两次获得"$ field_value"，但是为什么呢? 正常的结构是:<id><name><address><email>但现在我得到<id><id><name><name><address><address><email><email>

i am getting the "$field_value" twice - but why? normal the structure is: <id><name><address><email> but now i get <id><id><name><name><address><address><email><email>

下面是代码:

 <tbody>

        <?php
        $STH = $DBH->prepare("SELECT * FROM kunden");
        $STH->execute();
        $result = $STH->fetchall();

        foreach($result as $key => $inner_arr) {
            echo '<tr>';
            foreach($inner_arr as $field_name => $field_value) {
                echo "<td>{$field_value}</td>";
            }
            echo '</tr>';
        }

        ?>

</tbody>

推荐答案

您需要设置fetchMode:

默认值为PDO::FETCH_BOTH，因此将返回同时由列名和列号索引的数组.

Default is PDO::FETCH_BOTH, so an array indexed by both column name and number will be returned.

$result = $STH->fetchall(PDO::FETCH_ASSOC);

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