README

A provider-agnostic AI library for PHP. Supports chat completions, embeddings, image generation, tool calling, and streaming across multiple providers (OpenAI, Google, Anthropic, AWS Bedrock).

Key Features

Provider-Agnostic — Common interface across OpenAI, Google, Anthropic, and AWS Bedrock
Chat Completions — Send messages and receive AI-generated responses
Streaming — Token-by-token streaming via Server-Sent Events
Embeddings — Generate vector embeddings for semantic search
Image Generation — Generate images from text prompts
Tool/Function Calling — Define tools the AI can invoke during conversation
Conversation Management — Built-in conversation history with swappable storage
Enterprise Ready — Retry logic, rate limiting, caching, health checks, metrics, audit logging

Supported PHP Versions

Build Status

Installation

composer require webfiori/ai

Quick Start

<?php

use WebFiori\Ai\Provider\OpenAI\OpenAIClient;
use WebFiori\Ai\Message;

$client = new OpenAIClient([
    'api_key' => 'sk-...',
    'model' => 'gpt-4o',
]);

$response = $client->chat([
    new Message('system', 'You are a helpful assistant.'),
    new Message('user', 'What is PHP?'),
]);

echo $response->getMessage()->getContent();

Streaming

$client->streamChat(
    messages: [
        new Message('user', 'Write a story about PHP'),
    ],
    onToken: function (string $token) {
        echo $token;
        flush();
    },
);

Multiple Providers

use WebFiori\Ai\Provider\Google\GoogleClient;

$client = new GoogleClient([
    'api_key' => 'your-gemini-api-key',
    'model' => 'gemini-2.5-flash',
]);

$response = $client->chat([
    new Message('user', 'What is PHP?'),
]);

Documentation

Contributing

Contributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to change.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Changelog

See CHANGELOG.md for a list of changes and version history.

webfiori / ai

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