PHP Extension

AI Modify Existing Image with Text Prompt

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Uses an AI text prompt and uploaded image data to modify an existing image and receive the modified output. 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.

// Load the data from an existing image.
$bdImageData = new CkBinData();
$success = $bdImageData->LoadFile('qa_data/jpg/kid_blue_coat.jpg');
if ($success == false) {
    print $bdImageData->lastErrorText() . "\n";
    exit;
}

$ai = new CkAi();

$ai->put_Provider('openai');

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

// Choose a model.
$ai->put_Model('gpt-5');

$askParams = new CkJsonObject();
$askParams->UpdateString('image.output_format','jpeg');
$ai->SetAskParams($askParams);

$ai->InputAddImageData($bdImageData,'');
$ai->InputAddText('Modify the image by replacing the blue coat with a Metallica T-shirt.');

// Give the AI some time (2 minutes).
$ai->put_IdleTimeoutMs(120000);

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

// Get the image response data.;
$success = $ai->GetOutputBd($bdImageData);
if ($success == false) {
    print $ai->lastErrorText() . "\n";
    exit;
}

$bdImageData->WriteFile('c:/aaworkarea/out.jpg');

print 'Success.' . "\n";

// -------------------------------
// Sample Input:
// -------------------------------
// 

// -------------------------------
// Sample Output:
// -------------------------------
// 

?>