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PHP Extension

AI: Simple Conversation

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Initiates a conversation and sends two requests. The second request includes the transcript of the messages between the user and assistant from the first request.

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PHP Extension
<?php

include("chilkat.php");

$success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$ai = new CkAi();

// The provider can be "openai", "google", "claude", "deepseek", "xai", or "perplexity".
// Support for additional providers will be added in future versions of Chilkat.
$ai->put_Provider('claude');

// Use your provider's API key.
$ai->put_ApiKey('MY_API_KEY');

// Choose a model.
$ai->put_Model('claude-opus-4-1-20250805');

// Create a new conversation to be maintained locally in memory.
// If the conversation is the first to be created, it is also automatically selected.
$systemMsg = 'You are a helpful assistant';
$developerMsg = 'Respond only with markdown';
$conversationName = 'test_conversation';
$ai->NewConvo($conversationName,$systemMsg,$developerMsg);

// -------------------------------------------------------------------------------------------
// Make the first request...
// Add a text input.
$ai->InputAddText('Say Hello');

// Ask the AI for text output.
$success = $ai->Ask('text');
if ($success == false) {
    print $ai->lastErrorText() . "\n";
    exit;
}

// Get the text response.
$sbResponse = new CkStringBuilder();
$ai->GetOutputTextSb($sbResponse);
print $sbResponse->getAsString() . "\n";
print '----' . "\n";

// -------------------------------------------------------------
// The response is in markdown format.
// Also see Markdown to HTML Conversion Examples.
// -------------------------------------------------------------

// Sample output:

// # Hello! 👋
// ## Welcome!
// It's **great** to meet you. How can I *assist* you today?
// ---
// Feel free to ask me anything, and I'll respond in `markdown` format.

// -------------------------------------------------------------------------------------------
// Send the 2nd request in the conversation.
$ai->InputAddText('Thanks for saying Hello. Please give me a 2 sentence bit of wisdom from Confucious.');
$success = $ai->Ask('text');
if ($success == false) {
    print $ai->lastErrorText() . "\n";
    exit;
}

// Get the text response.
$sbResponse->Clear();
$ai->GetOutputTextSb($sbResponse);
print $sbResponse->getAsString() . "\n";

// Sample output:

// ## Wisdom from Confucius
// > *"The man who moves a mountain begins by carrying away small stones. It does not matter how slowly you go as long as you do not stop."*
// These words remind us that **persistence** and **patience** are the keys to achieving even the most daunting goals. 🏔️

// -------------------------------------------------------------------------------------------
// Look at the conversation so far...
// 
$json = new CkJsonObject();
$ai->ExportConvo($conversationName,$json);
$json->put_EmitCompact(false);
print $json->emit() . "\n";

// Note: The conversation transcript format exported and imported by Chilkat is always the OpenAI format,
// regardless of the AI provider.  (Chilkat translates the format from OpenAI to whatever is needed by the actual AI provider being used.)

// {
//   "input": [
//     {
//       "role": "system",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "You are a helpful assistant"
//         }
//       ]
//     },
//     {
//       "role": "developer",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "Respond only with markdown"
//         }
//       ]
//     },
//     {
//       "role": "user",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "Say Hello"
//         }
//       ]
//     },
//     {
//       "role": "assistant",
//       "content": [
//         {
//           "type": "output_text",
//           "text": "# Hello! 👋\n\n**Welcome!** It's *great* to meet you.\n\nHow can I assist you today?"
//         }
//       ]
//     },
//     {
//       "role": "user",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "Thanks for saying Hello. Please give me a 2 sentence bit of wisdom from Confucious."
//         }
//       ]
//     },
//     {
//       "role": "assistant",
//       "content": [
//         {
//           "type": "output_text",
//           "text": "## Wisdom from Confucius\n\n> *\"The man who moves a mountain begins by carrying away small stones. It does not matter how slowly you go as long as you do not stop.\"*\n\nThese words remind us that **persistence** and **patience** are the keys to achieving even the most daunting goals. 🏔️"
//         }
//       ]
//     }
//   ]
// }

?>