php教程

MongoCollection::getWriteConcern

(PECL mongo >=1.5.0)

MongoCollection::getWriteConcernGet the write concern for this collection

说明

public MongoCollection::getWriteConcern ( void ) : array

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 MongoCollection::getWriteConcern() return value example

<?php

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

$coll->setWriteConcern(11000);
var_dump($coll->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

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