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Example code of ahmadrosid/anthropic-php

Informations about the package anthropic-php

Anthropic PHP

Anthropic PHP is library to interact with Anthropic API, this library is designed to be close to OpenAI PHP. The goal of this library is to have the same API to OpenAI PHP client, so you can switch from GPT model to Claude easily.

Installation

Make sure you are using php: ^8.1.0.

How to use?

Create anthropic client.

Important: The anthropic-version header is required. Without it, you'll get a 404 error.

Available Models

Latest Models

Model API ID Description
Claude Opus 4.7 claude-opus-4-7 Most capable model for complex reasoning and agentic coding
Claude Sonnet 4.6 claude-sonnet-4-6 Best combination of speed and intelligence
Claude Haiku 4.5 claude-haiku-4-5-20251001 Fastest model with near-frontier intelligence

Previous Generation (still available)

Model API ID
Claude Opus 4.6 claude-opus-4-6
Claude Sonnet 4.5 claude-sonnet-4-5-20250929
Claude Opus 4.5 claude-opus-4-5-20251101
Claude Opus 4.1 claude-opus-4-1-20250805

Using Model Constants

You can use the Model class for convenient access to model identifiers:

Chat with Claude

Send chat message.

Chat Streaming

Process server sent event reply from chatbot.

Testing

This package includes both unit tests and integration tests.

Running Unit Tests

Unit tests use mocked HTTP clients and don't require an API key:

Or run only unit tests:

Running Integration Tests

Integration tests make real API calls to Anthropic. To run them:

  1. Copy .env.example to .env:

  2. Add your Anthropic API key to .env:

  3. Run integration tests:

Note: Integration tests will consume API credits.

Running All Tests

LICENSE

MIT

All versions of anthropic-php with dependencies

PHP Build Version
Package Version
Requires php Version ^8.1.0
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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