MongoDB\Driver\WriteConcern::getW

(mongodb >=1.0.0)

MongoDB\Driver\WriteConcern::getWReturns the WriteConcern's "w" option

说明

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

参数

此函数没有参数。

返回值

Returns the WriteConcern's "w" option.

错误/异常

示例

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());

?>

以上示例会输出:

int(1)
string(8) "majority"
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