<?php 


$url = 'https://api-collect.idcdun.com/v1/chat/completions';
$data = [
    'json_data' =&gt; '{
        "model": "gpt-3.5-turbo-16k",
        "messages": [
            {
                "role": "user",
                "content": "你好"
            }
        ],
        "temperature": 0.9,
        "max_tokens": 4096,
        "top_p": 1,
        "frequency_penalty": 0,
        "presence_penalty": 0.6,
        "stream": false
    }'
];

$options = [
    'http' =&gt; [
        'header' =&gt; "Content-type: application/x-www-form-urlencoded\r\n",
        'method' =&gt; 'POST',
        'content' =&gt; http_build_query($data)
    ]
];

$context = stream_context_create($options);
$response = file_get_contents($url, false, $context);
$result = json_decode($response, true);

$assistantResponse = $result['choices'][0]['message']['content'];

echo $assistantResponse;