无法传输 html 形式的对象数组

Question

我的程序有点问题，而且在 php 方面经验不足。我想将具有 html 形式的对象数组传输到我的 php 文件中。首先我会让你看一下我的代码：

location.php（带可执行形式）

<form action="action/add_items.php" method="POST">
        <table border="1" width="20%">
            <thead>
            <th>
                <?= $lang["location_task"][$location->getProperty("location_id")][$location_task->getProperty("location_task_id")]; ?>
            </th>
            </thead>
            <tbody>
            <?php
            $location_task_items = $location_task->getProperty("location_task_items");

            foreach ($location_task_items as $location_task_item) {
                ?>
                <tr>
                    <td>
                        <?= $lang["item"][$location_task_item->getProperty("location_task_item_id")]; ?>
                    </td>
                    <td>
                        <?= $location_task_item->getProperty("location_task_item_value"); ?>
                    </td>
                </tr>
            <?php
            }
            ?>
            <tr>
                <td></td>
                <td>
                    <input type="hidden" value="<?php print_r($location_task_items); ?>" name="location_task_items"/>
                    <input type="submit" value="start"/>
                </td>
            </tr>
            </tbody>
        </table>
    </form>

你可以看到我只打印了输入隐藏值中的数组。是吗？

add_items.php

$location_task_items = $_REQUEST["location_task_items"];

foreach($location_task_items as $location_task_item) {
    if($Player_Has_ItemsClass->getObjectByIds($player_id, $location_task_item->getProperty("location_task_item_id")) == null) {
        $player_has_items_attributes = array();
        $player_has_items_attributes["player_has_items_player_id"] = $player_id;
        $player_has_items_attributes["player_has_items_item_id"] = $location_task_item->getProperty("location_task_item_id");
        $player_has_items_attributes["player_has_items_item_value"] = $location_task_item->getProperty("location_task_item_value");

        $player_has_items = new Player_Has_Items($player_has_items_attributes);

        $Player_Has_ItemsClass->insertObject($player_has_items);
    } else {

    }
}

我只将数组作为字符串获取，并且在 add_items.php 中的 foreach 上出现此异常：

Invalid argument supplied for foreach()

我也用 json_encode 和 json_decode 试过了：

print_r(json_encode($location_task_items))
json_decode($_REQUEST["location_task_items"]);

但只能获取（对象属性是公开的）：

Call to undefined method stdClass::getProperty()

感谢您的帮助:)

Answer 1

你可以这样做

<input type="hidden" value="<?php echo serialize($location_task_items); ?>" name="location_task_items"/>

然后

$location_task_items = unserialize($_REQUEST["location_task_items"]);

Answer 2

在您的隐藏字段中使用 json_encode，然后在您的目标中使用 json_decode:

 <input `type="hidden" value='<?php echo json_encode($location_task_items); ?>' name="location_task_items"/>`

无法传输 html 形式的对象数组

Can't transfer an object array with html form

html

php