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PHP Kuaishou API interface development practice: how to implement video search and recommendation

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2023-07-21 17:10:521748browse

PHP Kuaishou API interface development practice: how to implement video search and recommendation

Introduction:
Kuaishou is a very popular short video platform in China with many users and rich content. If you want to add Kuaishou video content to your website or application, you can do so through the API interface provided by Kuaishou. This article will take you step by step to learn how to use PHP to develop the Kuaishou API interface to implement video search and recommendation functions.

  1. Get API interface permissions
    First, we need to go to the Kuaishou open platform to apply for API interface permissions. On the official website of Kuaishou Open Platform, we can find the API documentation and corresponding application process. According to the process, we register as an open platform developer, create an application, and obtain the corresponding AppKey and AppSecret. These two values ​​will be used for our subsequent API access.
  2. Implementing the video search function
    Next, we will implement the video search function through Kuaishou’s API interface. We can search by keyword and return a list of related videos. The specific steps are as follows:

2.1 Construct request parameters
Some parameters passed to the Kuaishou API interface are required, such as AppKey, AppSecret, keywords, etc. We need to construct an associative array containing these parameters.

$params = [
    'appkey' => 'your_app_key',
    'keyword' => 'video_keyword',
    'sign' => '',
    //...其他必要的参数
];

2.2 Generate signature
According to the rules in the Kuaishou API interface document, we need to perform a signature operation on the requested parameters. The algorithm used for the signature can be found in the documentation. Generally speaking, we need to sort all parameters in the form of key-value pairs and add AppSecret to the end. Then use a specific encryption algorithm (such as MD5) to encrypt the sorted string to obtain a signature. Finally, the signed results are added to the request parameters.

ksort($params); 
$signString = http_build_query($params) . $appSecret;
$params['sign'] = md5($signString);

2.3 Send a request
Using PHP's curl library can easily send requests to the API interface and obtain the returned data.

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.kuaishou.com/search');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
$result = curl_exec($ch);
curl_close($ch);

2.4 Parsing the return result
The return result of the API interface is generally a string in JSON format. We can use the json_decode() function to parse it into an array and extract the required information.

$resultArray = json_decode($result, true);
// 解析结果数组
if($resultArray['success']){
    $videoList = $resultArray['data']['list'];
    foreach($videoList as $video){
        // 处理视频信息
    }
}
  1. Implementing the video recommendation function
    In addition to the search function, we can also obtain the recommended video list through the Kuaishou API interface. The specific steps are as follows:

3.1 Construct request parameters
The steps for constructing request parameters are similar to the search function. We only need to modify the passed parameter content.

$params = [
    'appkey' => 'your_app_key',
    'category' => 'video_category',
    'sign' => '',
    // ...其他必要的参数
];

3.2 Generate signature and send request
The steps of generating signature and sending request are similar to the search function, and you can operate according to the above code.

3.3 Parsing the returned results
The parsing of the returned results is also similar to the search function. You only need to modify the corresponding parsing logic.

$resultArray = json_decode($result, true);
if($resultArray['success']){
    $videoList = $resultArray['data']['list'];
    foreach($videoList as $video){
        // 处理视频信息
    }
}

Conclusion:
By using PHP to develop the Kuaishou API interface, we can implement video search and recommendation functions. These interfaces can help us obtain Kuaishou video data in our own code and display it on our own website or application. Hope this article can be helpful to you!

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