PHP'json_decode'仅适用于第一项

问题描述

我正在解码JSON格式，我的API端点是https://api.reliableserver.host/api/recent_activities（无身份验证）

我已经设法像这样显示第一项的值：

<?PHP
$url2 = "https://api.reliableserver.host/api/recent_activities";
$obj2 = json_decode(file_get_contents($url2),true);
?>

<tr class="css-xlbdcw">

    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: left;">
        <div class="vx_text-body-md" style="color: rgb(44,46,47); padding-top: 7px; padding-bottom: 7px;">
            <div role="button">
                <?PHP echo $obj2['data'][0]['activity_date']; ?>
            </div>
        </div>
    </td>

    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: left;">
    <div data-testid="verticalList">
        <a tabindex="0" href="/activity/payment/87J62844XL761054H"><?PHP echo $obj2['data'][0]['activity_title']; ?></a>
        <div style="color: rgb(44,47); font-size: 11px;"><?PHP echo $obj2['data'][0]['activity_status']; ?></div>
    </div>
    </td>

    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: right;">
        <div class="vx_text-body-md" style="color: rgb(44,47); padding-top: 7px; padding-bottom: 7px;">
            <div role="button"><?PHP echo $obj2['data'][0]['activity_amount']; ?></div>
        </div>
    </td>

</tr>

这适用于第一个项目，如何使用foreach使它遍历每个项目-我曾尝试但无法使其正常工作。

谢谢

解决方法

遍历$obj2['data']：

$url2 = "https://api.reliableserver.host/api/recent_activities";
$obj2 = json_decode(file_get_contents($url2),true);

foreach ($obj2['data'] as $item) {?>
<tr class="css-xlbdcw">

    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: left;">
        <div class="vx_text-body-md" style="color: rgb(44,46,47); padding-top: 7px; padding-bottom: 7px;">
            <div role="button">
                <?php echo $item['activity_date']; ?>
            </div>
        </div>
    </td>

    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: left;">
        <div data-testid="verticalList">
            <a tabindex="0" href="/activity/payment/87J62844XL761054H"><?php echo $item['activity_title']; ?></a>
            <div style="color: rgb(44,47); font-size: 11px;"><?php echo $item['activity_status']; ?></div>
        </div>
    </td>

    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: right;">
        <div class="vx_text-body-md" style="color: rgb(44,47); padding-top: 7px; padding-bottom: 7px;">
            <div role="button"><?php echo $item['activity_amount']; ?></div>
        </div>
    </td>
</tr>
<?php
}

,

如果要允许自己灵活地渲染项目，可以使用过滤器数组（$filter），如下所示：

<?php
$response = file_get_contents('https://api.reliableserver.host/api/recent_activities');
$response = json_decode($response,true);
$filter = ['id','activity_amount']; // select which items to show
foreach ($response['data'] as $record) {
    echo '<tr class="css-xlbdcw">'; // open row
    foreach ($record as $key => $item) {
        if (in_array($key,$filter)) { // show filtered items only
            echo <<<HEREDOC
    <td style="width: unset; max-width: unset; padding: 5px 20px; text-align: left;">
        <div class="vx_text-body-md" style="color: rgb(44,47); padding-top: 7px; padding-bottom: 7px;">
            <div role="button">
                $item
            </div>
        </div>
    </td>
HEREDOC;
        }
    }
    echo '</tr>'; // close row
}

我们使用HEREDOC是因为它可以让我们优雅地呈现注入了变量（例如$item）的HTML。