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74 lines
1.7 KiB
Markdown
74 lines
1.7 KiB
Markdown
---
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title: channels.checkUsername
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description: channels.checkUsername parameters, return type and example
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---
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## Method: channels.checkUsername
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[Back to methods index](index.md)
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### Parameters:
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| Name | Type | Required |
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|----------|---------------|----------|
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|channel|[Username, chat ID, Update, Message or InputChannel](../types/InputChannel.md) | Optional|
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|username|[CLICK ME string](../types/string.md) | Yes|
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### Return type: [Bool](../types/Bool.md)
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### Can bots use this method: **NO**
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### Errors this method can return:
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| Error | Description |
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|----------|---------------|
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|CHANNEL_INVALID|The provided channel is invalid|
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|CHAT_ID_INVALID|The provided chat id is invalid|
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|USERNAME_INVALID|The provided username is not valid|
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### MadelineProto Example:
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```
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if (!file_exists('madeline.php')) {
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copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
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}
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include 'madeline.php';
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// !!! This API id/API hash combination will not work !!!
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// !!! You must get your own @ my.telegram.org !!!
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$api_id = 0;
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$api_hash = '';
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$MadelineProto = new \danog\MadelineProto\API('session.madeline', ['app_info' => ['api_id' => $api_id, 'api_hash' => $api_hash]]);
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$MadelineProto->start();
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$Bool = $MadelineProto->channels->checkUsername(['channel' => InputChannel, 'username' => 'string', ]);
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```
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### [PWRTelegram HTTP API](https://pwrtelegram.xyz) example (NOT FOR MadelineProto):
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### As a user:
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POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/channels.checkUsername`
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Parameters:
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channel - Json encoded InputChannel
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username - Json encoded string
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Or, if you're into Lua:
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```
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Bool = channels.checkUsername({channel=InputChannel, username='string', })
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```
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