How to integrate ChatGPT into Laravel?

use GuzzleHttp\Client as GuzzleClient;



public function generateAiContent()
{
    // URL for the OpenAI API endpoint for generating chat completions
    $apiUrl = 'https://api.openai.com/v1/chat/completions';

    // Your API key for accessing OpenAI services
    $apiKey = 'SECRET_KEY';
    
    // The version of the model you want to use (e.g., GPT-3.5 or GPT-4)
    $modelVersion = 'gpt-4o'; // gpt-3.5-turbo || gpt-4o-mini || gpt-4o

    // Initialize a new Guzzle HTTP client
    $guzzleClient = new GuzzleClient();

    // The prompt or question to send to the AI model
    $ai_prompt = 'What makes Spider-Man such a great hero?';

    // Data to be sent to the API, including the model version and messages
    $data = [
        'model' => $modelVersion,
        'messages' => [
            [
                'role' => 'system',
                'content' => 'You are a helpful assistant.',
            ],
            [
                'role' => 'user',
                'content' => $ai_prompt,
            ],
        ],
    ];

    // Headers for the HTTP request, including content type and authorization
    $headers = [
        'Content-Type' => 'application/json',
        'Authorization' => 'Bearer ' . $apiKey,
    ];

    // Send the POST request to the API with the headers and data
    $response = $guzzleClient->post($apiUrl, [
        'headers' => $headers,
        'json' => $data,
    ]);

    // Decode the JSON response from the API
    $result = json_decode($response->getBody(), true);

    // Check if the API returned a valid response and extract the content
    if(isset($result['choices'][0]['message']['content']))
    {
        $ai_content = $result['choices'][0]['message']['content'];
    }
    else
    {
        // Fallback message in case something went wrong
        $ai_content = 'Something went wrong.';
    }

    // Return the generated content
    return $ai_content;
}