How to use PHP Kuaishou API interface to search and classify videos

How to use PHP Kuaishou API interface to search and classify videos

Kuaishou is a popular short video social platform with a large number of users and video resources. If we want to display Kuaishou's video content through our own website or application, we can use the Kuaishou API interface to implement video search and classification functions. This article will write sample code in PHP language to introduce how to use the Kuaishou API interface to implement this function.

1. Register a developer account and application

Before using the Kuaishou API interface, we need to register a developer account and create an application. For the specific registration and creation process, please refer to Kuaishou official documentation.

2. Obtain API access

After successfully creating the application, we will get an AppKey and AppSecret. These two parameters will be used to generate an access token so that we can call Kuaishou's API interface.

The following is an example of a PHP function that generates an access token:

function getAccessToken($appKey, $appSecret) {
  $url = "https://open-api.kuaishou.com/oauth2/access_token";
  $data = [
    'app_key' => $appKey,
    'app_secret' => $appSecret,
    'grant_type' => 'client_credentials'
  ];

  $options = [
    'http' => [
      'method' => 'POST',
      'header' => 'Content-type:application/x-www-form-urlencoded',
      'content' => http_build_query($data),
    ]
  ];

  $context = stream_context_create($options);
  $response = file_get_contents($url, false, $context);
  $result = json_decode($response, true);

  if(isset($result['access_token'])){
    return $result['access_token'];
  } else {
    return false;
  }
}

When calling this function, we need to pass in the previously applied AppKey and AppSecret as parameters. The function returns an access token.

3. Write a video search function

Next we will write a function to search Kuaishou videos. We achieve this by calling the search/video interface. The following is a sample function:

function searchVideos($accessToken, $keyword) {
  $url = "https://open-api.kuaishou.com/rest/openapi/search/video";
  $data = [
    'keyword' => $keyword,
    'access_token' => $accessToken,
    'page' => 1,
    'page_size' => 10
  ];

  $options = [
    'http' => [
      'method' => 'POST',
      'header' => 'Content-type:application/x-www-form-urlencoded',
      'content' => http_build_query($data),
    ]
  ];

  $context = stream_context_create($options);
  $response = file_get_contents($url, false, $context);
  $result = json_decode($response, true);

  if(isset($result['result']['list'])){
    return $result['result']['list'];
  } else {
    return false;
  }
}

When calling this function, we need to pass in the previously obtained access token and search keyword as parameters. The function returns an array containing the search results.

4. Write video classification function

Kuaishou’s videos can be retrieved according to different categories. We can get the video list under the specified category by calling the api/category/feed interface. The following is an example function:

function getCategoryVideos($accessToken, $categoryId) {
  $url = "https://open-api.kuaishou.com/rest/openapi/api/category/feed";
  $data = [
    'access_token' => $accessToken,
    'category_id' => $categoryId,
    'page' => 1,
    'page_size' => 10
  ];

  $options = [
    'http' => [
      'method' => 'POST',
      'header' => 'Content-type:application/x-www-form-urlencoded',
      'content' => http_build_query($data),
    ]
  ];

  $context = stream_context_create($options);
  $response = file_get_contents($url, false, $context);
  $result = json_decode($response, true);

  if(isset($result['feeds'])){
    return $result['feeds'];
  } else {
    return false;
  }
}

When calling this function, we need to pass in the previously obtained access token and video category ID as parameters. The function returns an array containing a list of classified videos.

5. Integrate search and classification functions

We can further integrate the search and classification functions to achieve a more flexible video display function. The following is an example function:

function searchAndCategoryVideos($accessToken, $keyword, $categoryId) {
  $url = "https://open-api.kuaishou.com/rest/openapi/search_video_category";
  $data = [
    'access_token' => $accessToken,
    'keyword' => $keyword,
    'category_id' => $categoryId,
    'page' => 1,
    'page_size' => 10
  ];

  $options = [
    'http' => [
      'method' => 'POST',
      'header' => 'Content-type:application/x-www-form-urlencoded',
      'content' => http_build_query($data),
    ]
  ];

  $context = stream_context_create($options);
  $response = file_get_contents($url, false, $context);
  $result = json_decode($response, true);

  if(isset($result['videos'])){
    return $result['videos'];
  } else {
    return false;
  }
}

When calling this function, we need to pass in the previously obtained access token, search keywords and video category ID as parameters. The function returns an array containing the combined search and classification results.

The above are the detailed steps to implement video search and classification functions using PHP language and Kuaishou API interface. By using these features, we can better display and manage Kuaishou's video content on our own websites or applications. I hope this article can be helpful to everyone!

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