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Example code of rajanvijayan/ai-engine

Informations about the package ai-engine

AI Engine - Multi-Provider PHP Library

A powerful, flexible PHP library for integrating multiple AI providers into your applications. Supports Google Gemini, Meta Llama, and Groq with conversation history.

🚀 Features

📋 Requirements

🛠️ Installation

🔑 API Keys Setup

Create a test.ai-key file in your project root:

Get Your API Keys

Provider URL Notes
Gemini makersuite.google.com Google AI
Meta Llama llama.meta.com Official Meta API
Groq console.groq.com FREE tier available!

🚀 Quick Start

Basic Usage

Choose Provider

Conversation Mode

📚 API Reference

Constructor

Config Options:

Methods

Method Description
generateContent($prompt) Single prompt, no history
chat($message) Send message with conversation history
newConversation() Clear conversation history
getHistory() Get conversation history array
setSystemInstruction($text) Set AI personality/behavior
switchProvider($name, $apiKey) Switch to different provider
getProviderName() Get current provider name

Static Methods

Method Description
AIEngine::create($provider, $apiKey) Factory method
AIEngine::getModelsForProvider($provider) List available models
AIEngine::getDefaultModels() Get default model per provider

🤖 Available Models

Gemini

Meta Llama

Groq

💬 Usage Examples

Simple Question

Conversation with Memory

Switch Providers Mid-Session

Error Handling

🧪 Testing

Interactive Test

This launches an interactive chat where you can:

📁 Project Structure

🔧 Adding New Providers

  1. Create a new class implementing ProviderInterface
  2. Implement required methods: generateContent(), sendMessage(), startNewConversation(), getConversationHistory(), setSystemInstruction(), isConfigured(), getName()
  3. Add the provider to AIEngine::createProvider()

🛡️ Error Handling

Common errors returned:

Error Cause
Provider not properly configured Invalid or missing API key
Invalid prompt Empty or too long prompt
Error contacting API Network or API issue

📄 License

MIT License - see LICENSE file.

🙏 Acknowledgments

Made with ❤️ for the PHP community

All versions of ai-engine with dependencies

PHP Build Version
Package Version
Requires php Version >=8.0
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