MadelineProtoDocs/old_docs/API_docs_v82/methods/langpack_getDifference.md

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---
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title: langpack.getDifference
description: Get language pack updates
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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---
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# Method: langpack.getDifference
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[Back to methods index](index.md)
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Get language pack updates
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### Parameters:
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| Name | Type | Description | Required |
|----------|---------------|-------------|----------|
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|from\_version|[int](../types/int.md) | Previous version | Yes|
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### Return type: [LangPackDifference](../types/LangPackDifference.md)
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### Can bots use this method: **NO**
### MadelineProto Example:
```php
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if (!file_exists('madeline.php')) {
copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';
$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();
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$LangPackDifference = $MadelineProto->langpack->getDifference(['from_version' => int, ]);
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```
### [PWRTelegram HTTP API](https://pwrtelegram.xyz) example (NOT FOR MadelineProto):
### As a user:
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POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/langpack.getDifference`
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Parameters:
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from_version - Json encoded int
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Or, if you're into Lua:
```lua
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LangPackDifference = langpack.getDifference({from_version=int, })
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```
### Errors this method can return:
| Error | Description |
|----------|---------------|
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|LANG_PACK_INVALID|The provided language pack is invalid|
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