MongoDB\Driver\Manager::getWriteConcern

(mongodb >=1.0.0)

MongoDB\Driver\Manager::getWriteConcernReturn the WriteConcern for the Manager

说明

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

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.

参数

此函数没有参数。

返回值

The MongoDB\Driver\WriteConcern for the Manager.

错误/异常

范例

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());

?>

以上例程的输出类似于:

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