(mongodb >=1.0.0)
MongoDB\Driver\WriteConcern::getJournal — Returns the WriteConcern's "journal" option
此函数没有参数。
Returns the WriteConcern's "journal" option.
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)