MongoDB\Driver\Manager::getWriteConcern

(mongodb >=1.0.0)

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

說明

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.

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

The MongoDB\Driver\WriteConcern for the Manager.

錯誤／異常

范例

示例 #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());

?>

以上例程的輸出類似于：

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