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165 lines
4.3 KiB
Markdown
165 lines
4.3 KiB
Markdown
# ChatGPT PHP SDK | [Package](https://packagist.org/packages/haozi-team/chatgpt-php)
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[](https://packagist.org/packages/haozi-team/chatgpt-php)
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[](https://packagist.org/packages/haozi-team/chatgpt-php)
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[](https://packagist.org/packages/haozi-team/chatgpt-php)
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Official and Reverse Engineered ChatGPT API for PHP.
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Reconstruct from @acheong08's [ChatGPT](https://github.com/acheong08/ChatGPT)
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# Installation
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`composer require haozi-team/chatgpt-php`
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# V1 Web ChatGPT
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## Notice: As of 2023/03/15 - OpenAI has deactivated some accounts using V1. We recommend using V2 to avoid getting banned.
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> Uses `chat.openai.com`
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> - Free
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> - Rate limited
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> - Needs Bypassing Cloudflare
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> Default api endpoint is `https://bypass.duti.tech/`
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>
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> Rate limit at 5 requests / 10 seconds due to small server
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>
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> OpenAI rate limit: 50 requests per hour on free accounts. You can get around it with multi-account cycling
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>
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> Plus accounts has around 150 requests per hour rate limit
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## Configuration
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1. Create account on [OpenAI's ChatGPT](https://chat.openai.com/)
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2. Save your email and password
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### Authentication
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#### - Access token
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Login OpenAI account and go to [https://chat.openai.com/api/auth/session](https://chat.openai.com/api/auth/session)
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to get your access_token.
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```json
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{
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"access_token": "<access_token>"
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}
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```
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The access_token is valid for 30 days.
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## Developer API
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### Basic example
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```php
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<?php
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use HaoZiTeam\ChatGPT\V1 as ChatGPTV1;
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$chatGPT = new ChatGPTV1();
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$chatGPT->addAccount('<your_access_token>');
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$answer = $chatGPT->ask('Hello, how are you?');
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print_r($answer);
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//Array(
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// 'answer' => 'I am fine, thank you.',
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// 'conversation_id' => '<uuid>',
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// 'parent_id' => '<uuid>',
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// 'model' => 'text-davinci-002-render-sha',
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// 'account' => '0',
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//)
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```
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### Advanced example
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You can pass "baseUrl" to the first parameter to set a custom API endpoint.
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```php
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<?php
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use HaoZiTeam\ChatGPT\V1 as ChatGPTV1;
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$chatGPT = new ChatGPTV1('https://chat.openai.com/backend-api/');
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```
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More refer to the [wiki](https://github.com/HaoZi-Team/ChatGPT-PHP/wiki/V1-Advanced-examples) for advanced developer
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usage.
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# V2 Official ChatGPT
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> Recently released by OpenAI
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> - Costs money
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Get API key from https://platform.openai.com/account/api-keys
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## Developer API
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### Basic example
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```php
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<?php
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use HaoZiTeam\ChatGPT\V2 as ChatGPTV2;
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$chatGPT = new ChatGPTV2('sk-<your_api_key>');
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$chatGPT->addMessage('You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.', 'system');
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$answer = $chatGPT->ask('Hello, how are you?');
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print_r($answer);
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```
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### Advanced example
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You can pass "baseUrl" to the second parameter to set a custom API endpoint.
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```php
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<?php
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use HaoZiTeam\ChatGPT\V2 as ChatGPTV2;
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$chatGPT = new ChatGPTV2('sk-<your_api_key>', 'https://api.openai.com/');
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```
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You can use `addMessage` to add messages to the conversation.
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```php
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<?php
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use HaoZiTeam\ChatGPT\V2 as ChatGPTV2;
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$chatGPT = new ChatGPTV2('sk-<your_api_key>');
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$chatGPT->addMessage('You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.', 'system');
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$chatGPT->addMessage('Hello, how are you?', 'user');
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$chatGPT->addMessage('I am fine, thank you.', 'assistant');
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$answer = $chatGPT->ask('What did I ask you before?');
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print_r($answer);
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//Array(
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// 'answer' => 'Hello, how are you?',
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// 'id' => 'cmpl-xxxxx',
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// 'model' => 'gpt-3.5-turbo',
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// 'usage' => [
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// "prompt_tokens": 9,
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// "completion_tokens": 12,
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// "total_tokens": 21,
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// ],
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//)
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```
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You can set the `stream` parameter to `true` to get a stream for output answers as they are generated.
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```php
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<?php
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use HaoZiTeam\ChatGPT\V2 as ChatGPTV2;
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$chatGPT = new ChatGPTV2('sk-<your_api_key>');
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$chatGPT->addMessage('You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.', 'system');
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$answer = $chatGPT->ask('Hello, how are you?', null, true);
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// GuzzleHttp StreamInterface
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```
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# Disclaimers
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This is not an official OpenAI product. This is a personal project and is not affiliated with OpenAI in any way. Don't
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sue me.
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# Credits
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- [acheong08](https://github.com/acheong08) - Python ChatGPT API
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