How to use ChatGPT PHP to develop a chat application based on a language model

1. Introduction to ChatGPT
ChatGPT is a chat system based on a language model developed by OpenAI , can generate natural and smooth text responses. We can use ChatGPT PHP to develop a chat application based on language model to realize the function of the robot automatically replying to the user.

2. Preparation

1. Install PHP environment: Make sure that the appropriate PHP version is installed on your server and relevant extension support is enabled.
2. Obtain ChatGPT access key: Please go to the OpenAI official website to register an account first and obtain the API key of ChatGPT. This key will be used to communicate with OpenAI’s servers.
3. Download the PHP library: You can find the ChatGPT library for PHP on Github. Download and unzip the library, and copy the ChatGPT.php file inside to your project directory.

3. Write code

1. Introduce the ChatGPT library and set the API key

   require_once('ChatGPT.php'); use OpenAIGPTChatCompletionClient; $client = new ChatCompletionClient('YOUR_API_KEY'); // 使用你的API密钥替换YOUR_API_KEY

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2. Define the chat application Main logic

   function getBotResponse($message) { global $client; $messages = [ ['role' => 'system', 'content' => 'You are a helpful assistant.'], ['role' => 'user', 'content' => $message] ]; $response = $client->complete(['messages' => $messages]); $botReply = end($response['choices'])['message']['content']; return $botReply; }

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3. Create a simple user interface

   if($_SERVER['REQUEST_METHOD'] === 'POST') { $userMessage = $_POST['userMessage']; $botResponse = getBotResponse($userMessage); } ?>     
     
   ChatGPT PHP Chatbot
    
    You:  Send 
     
   Bot: 
      

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4. Run the application
Save the above code as a .php file , fill the API key into the code, and run the file in a PHP-enabled environment. Visit the app's URL and you'll see a simple chat interface. You can type a message and see the bot's responses.

5. Conclusion
By using the ChatGPT PHP library, we can easily develop chat applications based on language models. This kind of application can be used in automatic replies, customer service robots and other scenarios to provide users with faster and more convenient services. The above sample code is just a simple demonstration, you can extend and optimize it according to your own needs.

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