MongoDB\Driver\WriteConcern::getJournal

(mongodb >=1.0.0)

MongoDB\Driver\WriteConcern::getJournal — Returns the WriteConcern's "journal" option

说明

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

参数

此函数没有参数。

返回值

Returns the WriteConcern's "journal" option.

错误／异常

示例

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

<?php

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

$wc = new MongoDB\Driver\WriteConcern(1, 0, true);
var_dump($wc->getJournal());

$wc = new MongoDB\Driver\WriteConcern(1, 0, false);
var_dump($wc->getJournal());

?>

以上示例会输出：

NULL
bool(true)
bool(false)