Question

谢谢大家，问题解答了！如果有人感兴趣，更新的功能如下，所有其他代码保持不变：

function fetch_questions($page) {
global $link;
$proc = mysqli_prepare($link, "SELECT * FROM tquestions_cwh WHERE page = ?");
mysqli_stmt_bind_param($proc, "i", $page);
mysqli_stmt_execute($proc);


$rowq = array();
stmt_bind_assoc($proc, $rowq);

// loop through all result rows
//  while ($proc->fetch()) {
    //  print_r($rowq);
//      $rows[]=$rowq;
//  }

while ($proc->fetch())
{
    foreach($rowq as $key=>$value )
    {
        $row_tmb[ $key ] = $value;
    } 
    $rows[] = $row_tmb; 
}

mysqli_stmt_close($proc);
mysqli_clean_connection($link);
return($rows);

}

确定，

以下是代码：

function fetch_questions($page) {
    global $link;
    $proc = mysqli_prepare($link, "SELECT * FROM tquestions_cwh WHERE page = ?");
    mysqli_stmt_bind_param($proc, "i", $page);
    mysqli_stmt_execute($proc);


    $rows = array();
    stmt_bind_assoc($proc, $rowq);

    // loop through all result rows
    while ($proc->fetch()) {
        //  print_r($rowq);
        $rows[]=$rowq;
    }

    mysqli_stmt_close($proc);
    mysqli_clean_connection($link);
    return($rows);
}

然后我将它添加到php变量中，如下所示：

$qs = fetch_questions($page);

然后我循环通过，就像这样：

foreach($qs as $value){
                echo "<tr>".$value['qnum']." is the questions number and the question text is ".$value['qtext'].". The page and q values are ".$value['page']." and ".$value['questions']." respectively.</tr>";

然而输出是：

8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.8 is the questions number and the question text is I know how what I do fits into my team's objectives. The page and q values are 1 and q8 respectively.

这不是我想要的，出于提供信息的目的，使用print函数的数组如下所示：

Array
    (
        [0] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [1] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [2] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [3] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [4] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [5] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [6] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

        [7] => Array
            (
                [questions] => q8
                [qnum] => 8
                [qtext] => I know how what I do fits into my team's objectives
                [page] => 1
            )

    )

显然，它没有循环显示每一行，因为它应该......任何建议？

荷马。

Answer 1

我看了manual并发现这可能会对您有所帮助：

/*
while ($proc->fetch()) {         
    //  print_r($rowq);         
    $rows[]=$rowq;         
}
*/
while ($proc->fetch())
{
    foreach($rowq as $key=>$value )
    {
        $row_tmb[ $key ] = $value;
    } 
    $row[] = $row_tmb; 
}

引用：问题是返回的$rowq是引用而不是数据。因此，当您编写$row[] = $rowq时，$row将填充数据集的最后一个元素。

Answer 2

抱歉，我对mysqli的程序风格并不熟悉，所以我不确定这是不是你的问题。但是，在我看来，你将$ proc设置为mysqli_prepare的结果，但according to the manual，此函数返回true或false。然后你使用$ proc作为mysqli_stmt_bind_param（）的第一个参数，但是再次according to the manual，这个参数应该是mysqli_stmt_init（）的返回值，我假设它是$ link。事实上，无论你使用$ proc作为参数，都应该使用$ link。

Answer 3

不确定是否有更多，但标记错误：您错过了开始和结束<td>。您发布的输出似乎已完成，它只显示在一行中。尝试：

foreach($qs as $value) {
    echo "<tr><td>".$value['qnum']." is the questions number and the question text is ".$value['qtext'].". The page and q values are ".$value['page']." and ".$value['questions']." respectively.</td></tr>";
}

Answer 4

mysqli_stmt_fetch手册说：

注意：请注意，在调用mysqli_stmt_fetch（）之前，所有列都必须由应用程序绑定。

对于SELECT *查询，您应该使用mysqli_stmt_store_result和mysqli_stmt_result_metadata函数来获取所有列。

PHP数组问题 - 不是通过foreach循环

4 个答案: