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ChatGPT PHP SDK | Package

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Official and Reverse Engineered ChatGPT API for PHP.

Reconstruct from @acheong08's ChatGPT

Installation

composer require haozi-team/chatgpt-php

V1 Web ChatGPT

Uses chat.openai.com

  • Free
  • Rate limited
  • Needs Bypassing Cloudflare

Default api endpoint is https://ai.fakeopen.com/api/ by @pengzhile

OpenAI rate limit: 50 requests per hour on free accounts. You can get around it with multi-account cycling

Plus accounts has around 150 requests per hour rate limit

Arkose Token: Recently, OpenAI began to require Arkose Token while bypassing Cloudflare request conversation API, usually the SDK can get it automatically through @pengzhile's API

Configuration

  1. Create account on OpenAI's ChatGPT
  2. Save your email and password

Authentication

- Access token

Login OpenAI account and go to https://chat.openai.com/api/auth/session to get your access_token.

{ "access_token": "<access_token>" }

The access_token is valid for 30 days.

Developer API

Basic example

<?php use HaoZiTeam\ChatGPT\V1 as ChatGPTV1; $chatGPT = new ChatGPTV1(); $chatGPT->addAccount('<your_access_token>'); $answers = $chatGPT->ask('Hello, how are you?'); foreach ($answers as $item) { print_r($item); } //Array( // 'answer' => 'I am fine, thank you.', // 'conversation_id' => '<uuid>', // 'parent_id' => '<uuid>', // 'model' => 'text-davinci-002-render-sha', // 'account' => '0', //)

Advanced example

You can pass "baseUrl" to the first parameter to set a custom API endpoint.

<?php use HaoZiTeam\ChatGPT\V1 as ChatGPTV1; $chatGPT = new ChatGPTV1('https://chat.openai.com/backend-api/');

More refer to the wiki for advanced developer usage.

V2 Official ChatGPT

Recently released by OpenAI

  • Costs money

Get API key from https://platform.openai.com/account/api-keys

Developer API

Basic example

<?php use HaoZiTeam\ChatGPT\V2 as ChatGPTV2; $chatGPT = new ChatGPTV2('sk-<your_api_key>'); $chatGPT->addMessage('You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.', 'system'); $answers = $chatGPT->ask('Hello, how are you?'); foreach ($answers as $item) { print_r($item); }

Advanced example

You can pass "baseUrl" to the second parameter to set a custom API endpoint.

<?php use HaoZiTeam\ChatGPT\V2 as ChatGPTV2; $chatGPT = new ChatGPTV2('sk-<your_api_key>', 'https://api.openai.com/');

You can use addMessage to add messages to the conversation.

<?php use HaoZiTeam\ChatGPT\V2 as ChatGPTV2; $chatGPT = new ChatGPTV2('sk-<your_api_key>'); $chatGPT->addMessage('You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.', 'system'); $chatGPT->addMessage('Hello, how are you?', 'user'); $chatGPT->addMessage('I am fine, thank you.', 'assistant'); $answers = $chatGPT->ask('What did I ask you before?'); foreach ($answers as $item) { print_r($item); } //Array( // 'answer' => 'Hello, how are you?', // 'id' => 'cmpl-xxxxx', // 'model' => 'gpt-3.5-turbo', // 'usage' => [ // "prompt_tokens": 9, // "completion_tokens": 12, // "total_tokens": 21, // ], //)

You can set the stream parameter to true to get a stream for output answers as they are generated.

<?php use HaoZiTeam\ChatGPT\V2 as ChatGPTV2; $chatGPT = new ChatGPTV2('sk-<your_api_key>'); $chatGPT->addMessage('You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.', 'system'); $answers = $chatGPT->ask('Hello, how are you?', null, true);// A Generator foreach ($answers as $item) { print_r($item); }

Disclaimers

This is not an official OpenAI product. This is a personal project and is not affiliated with OpenAI in any way. Don't sue me.

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Official and Reverse Engineered ChatGPT PHP SDK (Not GPT-3)

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