PHP Extension
PHP Extension
AI Ask with Multiple Tool Function Callbacks
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This example demonstrates asking a two-part question that should cause the AI to respond with two tool call requests.Chilkat PHP Extension Downloads
<?php
include("chilkat.php");
$success = false;
// ----------------------------------------------------------------------------------
// The Javascript file loaded here is shown at the bottom of this page.
// -----------------------------------------------------------------------------------
// Load JavaScript containing the tool functions.
$sbJs = new CkStringBuilder();
$success = $sbJs->LoadFile('qa_data/js_tools/toolset_6.js','utf-8');
if ($success == false) {
print $sbJs->lastErrorText() . "\n";
exit;
}
$ai = new CkAi();
// Register the tools that will be made available to the AI.
$evalOnly = false;
$allowAllKeyword = true;
$ai->RegisterJsTools($sbJs,$evalOnly,$allowAllKeyword);
// The provider can be "openai", "google", "claude", "grok", "mistral", "custom", etc.
$ai->put_Provider('openai');
// Use your provider's API key.
$ai->put_ApiKey('MY_API_KEY');
// Choose a model.
$ai->put_Model('gpt-5.6-luna');
// Tool function calling must always occur within a conversation.
$conversation_name = 'example_convo';
$sysMessage = 'You are a helpful assistant';
$devMessage = 'Respond with markdown';
$ai->NewConvo($conversation_name,$sysMessage,$devMessage);
// Provide inputs
$ai->InputAddText('What is my horoscope? I am an Aquarius. Also, what's the weather in Chicago?');
// Send inputs, tool functions, etc. and ask for a "text" response.
// If the AI responds with tool calls, Chilkat automatically handles them by calling your JavaScript
// tool functions as directed by the AI, and sending results back to the AI until the final
// response is received.
$success = $ai->Ask('text');
if ($success == false) {
print $ai->lastErrorText() . "\n";
exit;
}
// Get the AI response.
$sbResponse = new CkStringBuilder();
$ai->GetOutputTextSb($sbResponse);
print $sbResponse->getAsString() . "\n";
?>
JavaScript
// The namespace for the AI tool functions in this JavaScript source file.
Example = {};
// Tool functions must have only one argument, which should be an object.
// The function name used here must match the "name" in the toolRegistry below.
Example.get_weather = function(arg) {
return {
"temperature": 45,
"unit": "F",
"conditions": "Cloudy"
};
}
Example.get_horoscope = function(arg) {
return `${arg.sign} : Next Tuesday you will befriend a baby otter.`;
}
// The inputSchema.type must ALWAYS be "object".
Example.toolRegistry = [
{
name: "get_horoscope",
description: "Get today's horoscope for an astrological sign.",
parameters: {
properties: {
sign: { type: "string", description: "An astrological sign like Taurus or Aquarius" }
}
}
},
{
name: "get_weather",
description: "Gets the weather at a location.",
parameters: {
properties: {
location: { type: "string", description: "Location such as a city name." },
}
}
}
];
Example.toolPermissions = [
{
name: "all",
perm: "sandbox",
}
];
// Return the name of this toolset
// This tells Chilkat the namespace of this toolset.
"Example";