在 HTML 表格中显示嵌套数组答案

【问题标题】：Displaying a nested array in an HTML table在 HTML 表格中显示嵌套数组
【发布时间】：2015-07-12 12:56:24
【问题描述】：

这是一个简单的问题，我已经尝试解决了几个小时。我有一个包含几个学生的信息和他们在测试中得分的数组。一共8个科目，每个科目有5个参数。

数组如下所示：

Array
(
    [Ron] => Array
        (
            [subject1] => Array
                (
                    [test1] => 47
                    [test2] => 86
                    [total] => 133
                    [percentage] => 88.67
                    [status] => Pass
                )
            [pass_count] => 8
            [fail_count] => 0
            [gross_total] => 963
            [gross_percentage] => 80.25

            [...]

            [subject8] => Array
                (
                    [test1] => 48
                    [test2] => 86
                    [total] => 134
                    [percentage] => 89.33
                    [status] => Pass
                )

            [pass_count] => 8
            [fail_count] => 0
            [gross_total] => 900
            [gross_percentage] => 75.50
        )

    [John] => Array
        (
            [subject1] => Array
                (
                    [test1] => 39
                    [test2] => 72
                    [total] => 111
                    [percentage] => 74
                    [status] => Pass
                )
            [pass_count] => 8
            [fail_count] => 0
            [gross_total] => 963
            [gross_percentage] => 80.25

            [...]                

            [subject8] => Array
                (
                    [test1] => 39
                    [test2] => 75
                    [total] => 114
                    [percentage] => 76
                    [status] => Pass
                )

            [pass_count] => 8
            [fail_count] => 0
            [gross_total] => 846
            [gross_percentage] => 70.5
        )

)

我需要在格式良好的 HTML 表格中显示以下内容（我打算使用 Bootstrap），但我一生都无法弄清楚如何正确嵌套表格使用 PHP强>.

这是我目前拥有的 HTML 标记：http://jsfiddle.net/9y910uvp/

这给出了以下结果：

没关系。

实际问题

我正在使用 PHP 来显示数组中的内容。我很困惑如何显示嵌套的 <tr> 和 <td> 部分的值。

如何循环遍历数组并正确显示内容？（到目前为止，我会发布我的尝试，但它们都很愚蠢并且不起作用，所以我没有发布）。

非常感谢一个例子，因为我花了无数个小时试图让它工作，但失败了。

【问题讨论】：

...您确实应该发布最有效的内容。它的帮助是不可估量的。如果它们根本没有起作用，请说明这一点，因为即使这也是有用的信息
@QPaysTaxes：它们都不起作用。正如我在问题中所说。如果这看起来像是一个家庭作业问题，我很抱歉，但老实说，我自己尝试了这么多……但失败了。
@AlliterativeAlice：这真的是嵌套表吗？我不确定了。
@JosephJohn 就算是作业也没关系。你已经非常清楚地展示了至少一些努力，而不是说，'听我的代码它不起作用请修复 [code dump]'（这是我曾经看过的实际帖子 sob）。我将深入研究我掌握的一些 PHP 知识，看看我是否无法完成这项工作。
@JosephJohn 发布您尝试过的内容，否则，我们不会帮助您，而是为您完成工作

标签： php html arrays nested html-table

【解决方案1】：

输出不完全相同，但这是一种递归方法，可以处理任何深度的嵌套数组...

<?php

$data = Array (
    "Ron" => Array (
            "subject1" => Array (
               "tests" => Array (
                    "test1" => 47,
                    "test2" => 86,
                    "total" => 133,
                    "percentage" => 88.67,
                    "status" => "Pass",
                ),
                "pass_count" => 8,
                "fail_count" => 0,
                "gross_total" => 963,
                "gross_percentage" => 80.25,
            ),


            "subject8" => Array (
               "tests" => Array (
                    "test1" => 48,
                    "test2" => 86,
                    "total" => 134,
                    "percentage" => 89.33,
                    "status" => "Pass",
                ),
                "pass_count" => 8,
                "fail_count" => 0,
                "gross_total" => 900,
                "gross_percentage" => 75.50,

             ),
    ),

    "John" => Array (
            "subject1" => Array (  
               "tests" => Array (
                    "test1" => 39,
                    "test2" => 72,
                    "total" => 111,
                    "percentage" => 74,
                    "status" => "Pass",
                ),
                "pass_count" => 8,
                "fail_count" => 0,
                "gross_total" => 963,
                "gross_percentage" => 80.25,

            ),

            "subject8" => Array (
                "tests" => Array (
                    "test1" => 39,
                    "test2" => 75,
                    "total" => 114,
                    "percentage" => 76,
                    "status" => "Pass",

                ),
                "pass_count" => 8,
                "fail_count" => 0,
                "gross_total" => 846,
                "gross_percentage" => 70.5,
            ),
        ),
);


print_r($data);
$table = table_cell($data);
echo $table;


function table_cell($data) {

  $return = "<table border='1'>";
  foreach ($data as $key => $value) {
    $return .= "<tr><td>$key</td><td>";
    if (is_array($value)) {
        $return .= table_cell($value);
    } else {
        $return .= $value;
    }
    $return .= "</td><tr>";
  }
  $return .= "</tr></table>";
  return($return);

}

而且这张桌子看起来一点也不像要求的，但是...这是一个有趣的 excersize...

【讨论】：

对于提出这个答案的人，谢谢！我不记得我用这段代码回答了哪个问题，我需要它:-)

【解决方案2】：

试试这个

<table border="1">
    <thead>
    <thead>
        <tr>
            <th>Name</th>
            <th>Subject</th>
            <th>Test1 Marks</th>
            <th>Test2 Marks</th>
            <th>Total Marks</th>
            <th>Status</th>
            <th>Percentage</th>
            <th>Pass Count</th>      
            <th>Total Percentage</th>
        </tr>
    </thead>
    <tbody>

        </tr>
        <?php
        $numberOfSubjects = 3; //I used 3 subjects. You should change this to 8 for your data.
        foreach ($data as $student => $info) {
            echo "<tr><td rowspan=$numberOfSubjects />$student</td>";

            //flag to let the inner loop the tr has been drawn for the first row
            $firstRow = true;
            foreach ($info as $key => $value) {

                //we only want subject info
                if (strpos($key, "subject") === 0) {
                    if (!$firstRow) {
                        echo "<tr>";
                    } //else we already drew it

                    //its a subject so
                    echo "<td>$key</td>";
                    echo "<td>{$value['test1']}</td>";
                    echo "<td>{$value['test2']}</td>";
                    echo "<td>{$value['total']}</td>";
                    echo "<td>{$value['status']}</td>";
                    echo "<td>{$value['percentage']}</td>";

                    //only draw total for the first row
                    if ($firstRow) {
                        echo "<td rowspan=$numberOfSubjects>{$info['pass_count']}</td>";
                        echo "<td rowspan=$numberOfSubjects>{$info['gross_percentage']}</td>";
                    }
                    //close the row
                    echo "</tr>";
                    $firstRow = false;
                }
            }
        }
        ?>
    </tbody>
</table>

这是输出：

它基于我根据您的描述构建的示例数据集，为了完整起见，包含在下面：

<?php
$data = array(
    "Ron" => Array
        (
        "subject1" => Array
            (
            "test1" => 47
            , "test2" => 86
            , "total" => 133
            , "percentage" => 88.67
            , "status" => Pass
        )
        , "pass_count" => 8
        , "fail_count" => 0
        , "gross_total" => 963
        , "gross_percentage" => 80.25,
        "subject2" => Array
            (
            "test1" => 47
            , "test2" => 86
            , "total" => 133
            , "percentage" => 88.67
            , "status" => Pass
        )
        , "subject3" => Array
            (
            "test1" => 48
            , "test2" => 86
            , "total" => 134
            , "percentage" => 89.33
            , "status" => Pass
        )
        , "pass_count" => 8
        , "fail_count" => 0
        , "gross_total" => 900
        , "gross_percentage" => 75.50
    ),
    "John" => Array
        (
        "subject1" => Array
            (
            "test1" => 47
            , "test2" => 86
            , "total" => 133
            , "percentage" => 88.67
            , "status" => Pass
        )
        , "pass_count" => 8
        , "fail_count" => 0
        , "gross_total" => 963
        , "gross_percentage" => 80.25,
        "subject2" => Array
            (
            "test1" => 47
            , "test2" => 86
            , "total" => 133
            , "percentage" => 88.67
            , "status" => Pass
        )
        , "subject3" => Array
            (
            "test1" => 48
            , "test2" => 86
            , "total" => 134
            , "percentage" => 89.33
            , "status" => Pass
        )
        , "pass_count" => 8
        , "fail_count" => 0
        , "gross_total" => 963
        , "gross_percentage" => 80.25
    )
);

【讨论】：

【解决方案3】：

从你的数组来看，这可能是你正在寻找的东西：

<table border="1">
    <thead>
        <tr>
            <th>Name</th>
            <th>Subject</th>
            <th>Test1 Marks</th>
            <th>Test2 Marks</th>
            <th>Total Marks</th>
            <th>Status</th>
            <th>Percentage</th>
            <th>Pass Count</th>      
            <th>Total Percentage</th>
        </tr>
    </thead>
    <tbody>
        <?php foreach($arr as $name => $subjects): ?>
            <?php $i = 0; ?>
            <?php foreach($subjects as $subjectName => $subject): ?>
                <?php if (is_array($subject)): ?>
                    <tr>
                        <?php if ($i === 0): ?>
                            <td rowspan="8"><?php echo $name; ?></td>
                        <?php endif; ?>
                        <td><?php echo $subjectName; ?></td>
                        <td><?php echo $subject['test1']; ?></td>
                        <td><?php echo $subject['test2']; ?></td>
                        <td><?php echo $subject['total']; ?></td>
                        <td><?php echo $subject['status']; ?></td>
                        <td><?php echo $subject['percentage']; ?></td>     
                        <?php if ($i === 0): ?>
                            <td rowspan="8"><?php echo $subjects['pass_count']; ?></td>
                            <td rowspan="8"><?php echo $subjects['gross_percentage']; ?></td>
                        <?php endif; ?>
                    </tr>
                <?php endif; ?>
                <?php $i++; ?>
            <?php endforeach; ?>
        <?php endforeach; ?>
    </tbody>
</table>

【讨论】：