MongoDB\Driver\WriteConcern::getJournal

(mongodb >=1.0.0)

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

说明

final public boolean|null MongoDB\Driver\WriteConcern::getJournal ( void )

参数

此函数没有参数。

返回值

Returns the WriteConcern's "journal" option.

错误/异常

范例

Example #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());

?>

以上例程会输出:

NULL
bool(true)
bool(false)
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