一个简单的TP5.0方法，可以用来采集百度热搜榜列表方法代码

public function getBaiduHotSearch()
{
    $url = "https://www.baidu.com/s?wd=%E7%83%AD%E6%90%9C%E6%A6%9C&tn=json&rn=20";
    $result = [];
    $content = file_get_contents($url);
    $content = json_decode($content, true);
    if (isset($content['data']['result'])) {
        foreach ($content['data']['result'] as $key => $value) {
            $result[] = $value['title'];
        }
    }
    return $result;
}

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