AI 项目在线编辑器

<?php
declare(strict_types=1);

/**
 * OpenAI 兼容：Chat Completions（tools/tool_calls）
 *
 * ✅ 你可以把这个文件复制成多个模型文件，例如：
 * - openai_fast.php（低 max_tokens）
 * - openai_deep.php（高 max_tokens / 更详细 system_prompt）
 * - 也可以改 base_url 指向你自己的 OpenAI 兼容服务（vLLM / one-api / 等）
 *
 * 你主要需要改：$BASE_URL / $API_KEY / $MODEL_NAME / 默认参数
 */

$BASE_URL   = 'https://api.openai.com/v1';  
$API_KEY    = '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';                           
$MODEL_NAME = 'gpt-4o-mini-2024-07-18';

// 默认参数（你可以根据“努力程度/详细程度”在这里做逻辑调度）
$DEFAULTS = [
  'temperature' => 0.2,
  'max_tokens' => 1024,
];

return [
  'id' => 'openai_chat',
  'label' => 'gpt-4o-mini-示例',
  'supports_tools' => true,

/**
   * @param array $messages OpenAI messages 数组
   * @param array $tools    OpenAI tools 数组（tool_schemas() 生成）
   * @param array $options  可选覆盖：model/temperature/max_tokens
   * @return array ['ok'=>bool, 'message'=>array, 'raw'=>array]|['ok'=>false,'error'=>string]
   */
  'call' => function(array $messages, array $tools = [], array $options = []) use ($BASE_URL, $API_KEY, $MODEL_NAME, $DEFAULTS): array {

$endpoint = rtrim($BASE_URL, '/\\') . '/chat/completions';

$model = (string)($options['model'] ?? $MODEL_NAME);
    $temperature = $options['temperature'] ?? $DEFAULTS['temperature'];
    $maxTokens = $options['max_tokens'] ?? $DEFAULTS['max_tokens'];

$payload = [
      'model' => $model,
      'messages' => $messages,
      'temperature' => $temperature,
      'max_tokens' => $maxTokens,
    ];

if (!empty($tools)) {
      $payload['tools'] = $tools;
      $payload['tool_choice'] = 'auto';
    }

$headers = [
      'Content-Type: application/json',
    ];
    if (trim($API_KEY) !== '') {
      $headers[] = 'Authorization: Bearer ' . $API_KEY;
    }

$ch = curl_init($endpoint);
    if ($ch === false) {
      return ['ok' => false, 'error' => 'curl_init failed'];
    }

$json = json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    curl_setopt_array($ch, [
      CURLOPT_POST => true,
      CURLOPT_RETURNTRANSFER => true,
      CURLOPT_HTTPHEADER => $headers,
      CURLOPT_POSTFIELDS => $json,
      CURLOPT_CONNECTTIMEOUT => 10,
      CURLOPT_TIMEOUT => 120,
    ]);

$resp = curl_exec($ch);
    $errno = curl_errno($ch);
    $err = curl_error($ch);
    $status = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

if ($errno !== 0) {
      return ['ok' => false, 'error' => 'cURL error: ' . $err];
    }
    if ($resp === false || trim((string)$resp) === '') {
      return ['ok' => false, 'error' => 'Empty response'];
    }

$data = json_decode((string)$resp, true);
    if (!is_array($data)) {
      return ['ok' => false, 'error' => 'Invalid JSON response', 'raw' => ['text' => (string)$resp, 'status' => $status]];
    }

if ($status < 200 || $status >= 300) {
      $msg = $data['error']['message'] ?? ('HTTP ' . $status);
      return ['ok' => false, 'error' => (string)$msg, 'raw' => $data];
    }

$choice0 = $data['choices'][0] ?? null;
    $msg = is_array($choice0) ? ($choice0['message'] ?? null) : null;
    if (!is_array($msg)) {
      return ['ok' => false, 'error' => 'No message in response', 'raw' => $data];
    }

// 兼容旧格式 function_call（单工具）
    if (!isset($msg['tool_calls']) && isset($msg['function_call']) && is_array($msg['function_call'])) {
      $fc = $msg['function_call'];
      $msg['tool_calls'] = [[
        'id' => 'call_' . bin2hex(random_bytes(6)),
        'type' => 'function',
        'function' => [
          'name' => (string)($fc['name'] ?? ''),
          'arguments' => (string)($fc['arguments'] ?? ''),
        ],
      ]];
      unset($msg['function_call']);
    }

return [
      'ok' => true,
      'message' => $msg,
      'raw' => $data,
      'status' => $status,
    ];
  },
];

Models

Tools