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# Memcache
Connects to [memcached](http://www.memcached.org/) using either _Memcache_ or _Memcached_ extension.
Performs a cleanup by flushing all values after each test run.
## Status
* Maintainer: **davert**
* Stability: **beta**
* Contact: davert@codeception.com
## Configuration
* **`host`** (`string`, default `'localhost'`) - The memcached host
* **`port`** (`int`, default `11211`) - The memcached port
### Example (`unit.suite.yml`)
```yaml
modules:
- Memcache:
host: 'localhost'
port: 11211
```
Be sure you don't use the production server to connect.
## Public Properties
* **memcache** - instance of _Memcache_ or _Memcached_ object
## Actions
### clearMemcache
Flushes all Memcached data.
### dontSeeInMemcached
Checks item in Memcached doesn't exist or is the same as expected.
Examples:
``` php
<?php
// With only one argument, only checks the key does not exist
$I->dontSeeInMemcached('users_count');
// Checks a 'users_count' exists does not exist or its value is not the one provided
$I->dontSeeInMemcached('users_count', 200);
?>
```
* `param` $key
* `param` $value
### grabValueFromMemcached
Grabs value from memcached by key.
Example:
``` php
<?php
$users_count = $I->grabValueFromMemcached('users_count');
?>
```
* `param` $key
* `return` array|string
### haveInMemcached
Stores an item `$value` with `$key` on the Memcached server.
* `param string` $key
* `param mixed` $value
* `param int` $expiration
### seeInMemcached
Checks item in Memcached exists and the same as expected.
Examples:
``` php
<?php
// With only one argument, only checks the key exists
$I->seeInMemcached('users_count');
// Checks a 'users_count' exists and has the value 200
$I->seeInMemcached('users_count', 200);
?>
```
* `param` $key
* `param` $value
<p> </p><div class="alert alert-warning">Module reference is taken from the source code. <a href="https://github.com/Codeception/Codeception/tree/2.4/src/Codeception/Module/Memcache.php">Help us to improve documentation. Edit module reference</a></div>