从 API/URL 获取信息

Question

我有网址https://android.rediptv2.com/ch.php?usercode=5266113827&pid=1&mac=02:00:00:00:00:00&sn=&customer=GOOGLE&lang=eng&cs=amlogic&check=3177926680 输出统计数据。

例如：

[{"id":"2972","name":"MBC 1","link":"http://46.105.112.116/?watch=TR/mbc1-ar&token=RED_cexVeBNZ8mioQnjmGiYNEg==,1643770076.5266113827&t=1&s=2&p=1&c=BR&r=1351&lb=1","epg":"https://epg.cdnrdn.com/MBC1En.ae-20220201.xml","dvr":"disabled","language":"Arabic","category":"TOP 100","logo":"http://files.rednetcontent.com/chlogo/mbc1.png"},{"id":"1858","name":"MBC 2","link":"http://46.105.112.116/?watch=TN/mbc2-ar&token=RED_cexVeBNZ8mioQnjmGiYNEg==,1643770076.5266113827&t=1&s=2&p=1&c=BR&r=1351&lb=1","epg":"https://epg.cdnrdn.com/MBC2En.ae-20220201.xml","dvr":"disabled","language":"Arabic","category":"TOP 100","logo":"http://files.rednetcontent.com/chlogo/mbc2.png"},{"id":"1859","name":"MBC 3","link":"http://46.105.112.116/?watch=TN/mbc3-ar&token=RED_cexVeBNZ8mioQnjmGiYNEg==,1643770076.5266113827&t=1&s=2&p=1&c=BR&r=1351&lb=1","epg":"https://epg.cdnrdn.com/-20220201.xml","dvr":"disabled","language":"Arabic","category":"TOP 100","logo":"http://files.rednetcontent.com/chlogo/mbc3.png"}]

我想获取链接计数的值。

谁能帮忙？

我尝试过：

    <?php
    $content =     file_get_contents("https://android.rediptv2.com/ch.php?usercode=5266113827&pid=1&mac=02:00:00:00:00:00&sn=&customer=GOOGLE&lang=eng&cs=amlogic&check=3177926680");

$result  = json_decode($content);

print_r( $result->link );
?>

但是没有用。

Answer 1

将 JSON 放入编辑器中，您会看到它是一个数组，而不是具有 link 属性的对象。这就是您无法直接访问它的原因。您必须遍历这些项目，然后才能访问其中一项的 link 属性。如果您需要按 id 访问链接，正如您在 4 个月后提出的那样，那么只需在一个按 id 索引的数组中创建一个字典，其中只包含您需要的有趣数据。

PHP 代码：

<?php

// The result of the request:
$content = <<<END_OF_STRING
[{"id":"2972","name":"MBC 1","link":"http://46.105.112.116/?watch=TR/mbc1-ar&token=RED_cexVeBNZ8mioQnjmGiYNEg==,1643770076.5266113827&t=1&s=2&p=1&c=BR&r=1351&lb=1","epg":"https://epg.cdnrdn.com/MBC1En.ae-20220201.xml","dvr":"disabled","language":"Arabic","category":"TOP 100","logo":"http://files.rednetcontent.com/chlogo/mbc1.png"},{"id":"1858","name":"MBC 2","link":"http://46.105.112.116/?watch=TN/mbc2-ar&token=RED_cexVeBNZ8mioQnjmGiYNEg==,1643770076.5266113827&t=1&s=2&p=1&c=BR&r=1351&lb=1","epg":"https://epg.cdnrdn.com/MBC2En.ae-20220201.xml","dvr":"disabled","language":"Arabic","category":"TOP 100","logo":"http://files.rednetcontent.com/chlogo/mbc2.png"},{"id":"1859","name":"MBC 3","link":"http://46.105.112.116/?watch=TN/mbc3-ar&token=RED_cexVeBNZ8mioQnjmGiYNEg==,1643770076.5266113827&t=1&s=2&p=1&c=BR&r=1351&lb=1","epg":"https://epg.cdnrdn.com/-20220201.xml","dvr":"disabled","language":"Arabic","category":"TOP 100","logo":"http://files.rednetcontent.com/chlogo/mbc3.png"}]
END_OF_STRING;

$items = json_decode($content);

echo '$items = ' . var_export($items, true) . "\n\n";

// Create a dictionnary to store each link accessible by id.
$links_by_id = [];

// Loop over all items:
foreach ($items as $i => $item) {
    // Show how to access the current link.
    echo "Link $i = $item->link\n";
    
    // Fill the dictionary.
    $links_by_id[(int)$item->id] = $item->link;
}

// To access the first one:
echo "\nFirst link = " . $items[0]->link . "\n";

// Example of access by id:
// The id seems to be a string. It could probably be "1895" or "zhb34" or whatever.
// (If they are only numbers, we could convert the string to an integer).
$id = "1859";
echo "\nAccess with id $id = " . $links_by_id[$id] . "\n";

在这里测试：https://onlinephp.io/c/e8ab9

另一个重要点：您在提供的 URL 上收到 403 禁止错误。所以通常情况下，您不会获得所需的 JSON。

正如我在下面的评论中所解释的，我认为如果没有具有有效查询参数和/或 cookie 的新 URL，您将无法访问此页面。我想你从某个地方获得了这个 URL，它不再有效。这就是为什么您可能需要使用 cURL 通过会话访问网站以获取 JSON API 的新 URL。使用 Google 查找一些使用会话处理进行 PHP 抓取/爬网的示例。您会发现，根据网站的不同，它可能会变得相当棘手，尤其是在游戏中加入一些 JavaScript 时。