README

A modern PHP SDK for interacting with the OpenAI API, including support for Chat, Completions, and more. Built for PHP 8+ with a focus on developer experience, type safety, and extensibility.

Features

• Simple and intuitive API for OpenAI endpoints
• Support for Chat, Completions, and other OpenAI features
• DTOs for request/response payloads
• Extensible and testable client architecture
• PSR-7/PSR-18 compatible HTTP client support

Installation

Install via Composer:

composer require your-vendor/php-sdk

Usage

use YourVendor\OpenAiSdk\OpenAiSdk;

$client = new OpenAiClient('your-api-key');

$response = $client->chat()->create([
    'model' => 'gpt-4',
    'messages' => [
        ['role' => 'user', 'content' => 'Hello!'],
    ],
]);

print_r($response);

Chat API Example

$chatClient = $client->chat();
$result = $chatClient->create([
    'model' => 'gpt-4',
    'messages' => [
        ['role' => 'user', 'content' => 'Tell me a joke.'],
    ],
]);
echo $result['choices'][0]['message']['content'];

Testing

Run tests with PHPUnit:

vendor/bin/phpunit

Requirements

• PHP 8.0 or higher
• Composer
• PSR-7/PSR-18 compatible HTTP client (e.g., Guzzle)

Contributing

Contributions are welcome! Please open issues or submit pull requests.

License

This project is licensed under the MIT License.