MadelineProtoDocs/docs/PHP/danog/MadelineProto/Settings/Database/Mysql.md

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title: danog\MadelineProto\Settings\Database\Mysql: MySQL backend settings.
description: 

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# `danog\MadelineProto\Settings\Database\Mysql`
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> Author: Daniil Gentili <daniil@daniil.it>  
  

MySQL backend settings.  




## Method list:
* `getMaxConnections(): int`
* `setMaxConnections(int $maxConnections): self`
* `getIdleTimeout(): int`
* `setIdleTimeout(int $idleTimeout): self`
* `getDatabase(): string`
* `setDatabase(string $database): self`
* `getUsername(): string`
* `setUsername(string $username): self`
* `getUri(): string`
* `setUri(string $uri): self`
* `getKey(): string`
* `getCacheTtl(): int`
* `setCacheTtl(int|string $cacheTtl): self`
* `getPassword(): string`
* `setPassword(string $password): self`
* `hasChanged(): bool`

## Methods:
### `getMaxConnections(): int`

Get maximum connection limit.



### `setMaxConnections(int $maxConnections): self`

Set maximum connection limit.


Parameters:
* `$maxConnections`: `int` Maximum connection limit.  



### `getIdleTimeout(): int`

Get idle timeout.



### `setIdleTimeout(int $idleTimeout): self`

Set idle timeout.


Parameters:
* `$idleTimeout`: `int` Idle timeout.  



### `getDatabase(): string`

Get database name.



### `setDatabase(string $database): self`

Set database name.


Parameters:
* `$database`: `string` Database name.  



### `getUsername(): string`

Get username.



### `setUsername(string $username): self`

Set username.


Parameters:
* `$username`: `string` Username.  



### `getUri(): string`

Get database URI.



### `setUri(string $uri): self`

Set database URI.


Parameters:
* `$uri`: `string` Database URI.  



### `getKey(): string`

Get DB key.



### `getCacheTtl(): int`

Get for how long to keep records in memory after last read, for cached backends.



### `setCacheTtl(int|string $cacheTtl): self`

Set for how long to keep records in memory after last read, for cached backends.
The cache TTL identifier can be a string like '+5 minutes'.

Parameters:
* `$cacheTtl`: `int|string` For how long to keep records in memory after last read, for cached backends.  



### `getPassword(): string`

Get password.



### `setPassword(string $password): self`

Set password.


Parameters:
* `$password`: `string` Password.  



### `hasChanged(): bool`

Get whether this setting was changed, also applies changes.



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