PHP中的高质量PDF到Word转换？

// 示例代码
$api_key = 'your_api_key';
$pdf_url = 'https://example.com/path/to/your/pdf/file.pdf';
$output_format = 'docx';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.smallpdf.com/pdf-to-word?api_key=$api_key&output_format=$output_format");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, [
    'file' => new CURLFile($pdf_url)
]);

$response = curl_exec($ch);
curl_close($ch);

// 处理响应
if ($response) {
    // 保存Word文件
    file_put_contents('output.docx', $response);
} else {
    echo 'Error: ' . curl_error($ch);
}

// 示例代码
require_once 'vendor/autoload.php';

$clientId = 'your_client_id';
$clientSecret = 'your_client_secret';
$inputFile = 'path/to/your/pdf/file.pdf';
$outputFile = 'output.docx';

$configuration = new GroupDocs\Conversion\Configuration();
$configuration->setAppSid($clientId);
$configuration->setAppKey($clientSecret);

$conversionApi = new GroupDocs\Conversion\Api($configuration);

$fileStream = new GroupDocs\Conversion\Model\FileStream();
$fileStream->setFilePath($inputFile);

$convertOptions = new GroupDocs\Conversion\Model\ConvertOptions();
$convertOptions->setFormat('docx');
$convertOptions->setOutputPath($outputFile);

$convertResult = $conversionApi->convert($convertOptions, $fileStream);

// 保存Word文件
file_put_contents($outputFile, $convertResult->getFile()->getContent());