MongoDB\Driver\WriteConcern::getJournal

(mongodb >=1.0.0)

MongoDB\Driver\WriteConcern::getJournalReturns the WriteConcern's "journal" option

說明

final public MongoDB\Driver\WriteConcern::getJournal(): ?bool

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

Returns the WriteConcern's "journal" option.

錯誤/異常

范例

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

<?php

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

$wc = new MongoDB\Driver\WriteConcern(10true);
var_dump($wc->getJournal());

$wc = new MongoDB\Driver\WriteConcern(10false);
var_dump($wc->getJournal());

?>

以上例程會輸出:

NULL
bool(true)
bool(false)