MongoDB\Driver\WriteConcern::getW

(mongodb >=1.0.0)

MongoDB\Driver\WriteConcern::getW — Returns the WriteConcern's "w" option

說(shuō)明

final public MongoDB\Driver\WriteConcern::getW(): string|int|null

參數(shù)

此函數(shù)沒(méi)有參數(shù)。

返回值

Returns the WriteConcern's "w" option.

錯(cuò)誤／異常

范例

示例 #1 MongoDB\Driver\WriteConcern::getW() example

<?php

$wc = new MongoDB\Driver\WriteConcern(1);
var_dump($wc->getW());

$wc = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY);
var_dump($wc->getW());

?>

以上例程會(huì)輸出：

int(1)
string(8) "majority"