MongoDB\Driver\WriteConcern::getJournal
(mongodb >=1.0.0)
MongoDB\Driver\WriteConcern::getJournal — Returns the WriteConcern's "journal" option
参数
此函数没有参数。
返回值
Returns the WriteConcern's "journal" option.
错误／异常
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
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)
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