Return the WriteConcern for the Manager

# MongoDB\Driver\Manager::getWriteConcern

(mongodb >=1.0.0)

MongoDB\Driver\Manager::getWriteConcern — Return the WriteConcern for the Manager

### Description

final public MongoDB\Driver\Manager::getWriteConcern(): MongoDB\Driver\WriteConcern

Returns the MongoDB\Driver\WriteConcern for the Manager, which is derived from its URI options. This is the default write concern for writes and commands executed on the Manager.

### Parameters

This function has no parameters.

### Return Values

The MongoDB\Driver\WriteConcern for the Manager.

### Errors/Exceptions

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### Examples

Example #1 MongoDB\Driver\Manager::getWriteConcern() example

`<?php
$manager = new MongoDB\Driver\Manager('mongodb://localhost:27017');
var_dump($manager->getWriteConcern());
$manager = new MongoDB\Driver\Manager('mongodb://localhost:27017/?w=majority&wtimeoutMS=2000');
var_dump($manager->getWriteConcern());
?>`

The above example will output something similar to:

    object(MongoDB\Driver\WriteConcern)#2 (0) {
    }
    object(MongoDB\Driver\WriteConcern)#1 (2) {
      ["w"]=>
      string(8) "majority"
      ["wtimeout"]=>
      int(2000)
    }

### See Also

- MongoDB\Driver\WriteConcern
- MongoDB\Driver\Manager::__construct() - Create new MongoDB Manager

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