MongoDB::getWriteConcern

(PECL mongo >=1.5.0)

MongoDB::getWriteConcern — Get the write concern for this database

说明

public array MongoDB::getWriteConcern ( void )

参数

此函数没有参数。

返回值

This function returns an array describing the write concern. The array contains the values w for an integer acknowledgement level or string mode, and wtimeout denoting the maximum number of milliseconds to wait for the server to satisfy the write concern.

范例

Example #1 MongoDB::getWriteConcern() return value example

<?php

$mc = new MongoClient('mongodb://localhost:27017', array('wTimeoutMS' => 500));
$db = $mc->selectDB('test');
var_dump($db->getWriteConcern());

$db->setWriteConcern(1, 1000);
var_dump($db->getWriteConcern());
?>

以上例程会输出：

array(2) {
  ["w"]=>
  int(1)
  ["wtimeout"]=>
  int(500)
}
array(2) {
  ["w"]=>
  int(1)
  ["wtimeout"]=>
  int(1000)
}

参见