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+# Dify PHP SDK
+
+This is the PHP SDK for the Dify API, which allows you to easily integrate Dify into your PHP applications.
+
+## Requirements
+
+- PHP 7.2 or later
+- Guzzle HTTP client library
+
+## Usage
+
+After installing the SDK, you can use it in your project like this:
+
+```
+<?php
+
+require 'vendor/autoload.php';
+
+use YourVendorName\DifyPHP\DifyClient;
+use YourVendorName\DifyPHP\CompletionClient;
+use YourVendorName\DifyPHP\ChatClient;
+
+$apiKey = 'your-api-key-here';
+
+$difyClient = new DifyClient($apiKey);
+
+// Create a completion client
+$completionClient = new CompletionClient($apiKey);
+$response = $completionClient->create_completion_message($inputs, $query, $response_mode, $user);
+
+// Create a chat client
+$chatClient = new ChatClient($apiKey);
+$response = $chatClient->create_chat_message($inputs, $query, $user, $response_mode, $conversation_id);
+
+// Fetch application parameters
+$response = $difyClient->get_application_parameters($user);
+
+// Provide feedback for a message
+$response = $difyClient->message_feedback($message_id, $rating, $user);
+
+// Other available methods:
+// - get_conversation_messages()
+// - get_conversations()
+// - rename_conversation()
+```
+
+Replace 'your-api-key-here' with your actual Dify API key.
+
+## License
+
+This SDK is released under the MIT License.