<?php
$apiKey = "YOUR_API_KEY"; // کلید API شما
$apiUrl = "https://api.heroai.ir/ai/chat/completions";

// داده‌های درخواست
$data = [
    "model" => "gpt-4",
    "messages" => [
        ["role" => "system", "content" => "You are a helpful assistant."],
        ["role" => "user", "content" => "Explain PHP in simple terms."]
    ],
    "temperature" => 0.7,
    "max_tokens" => 100
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $apiUrl);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json",
    "Authorization: Bearer $apiKey"
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));

// ارسال درخواست و دریافت پاسخ
$response = curl_exec($ch);
curl_close($ch);

// تبدیل پاسخ به آرایه و چاپ نتیجه
$responseData = json_decode($response, true);
echo $responseData['choices'][0]['message']['content'];
?>