MongoDB\Driver\WriteConcern::getW

(mongodb >=1.0.0)

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

說明

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

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

Returns the WriteConcern's "w" option.

錯誤／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());

?>

以上例程會輸出：

int(1)
string(8) "majority"