Php/docs/mongodb-driver-writeconcern.getjournal

• PHP Manual
• MongoDB\Driver\WriteConcern
• Returns the WriteConcern's "journal" option

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|null

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.

范例

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

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

以上例程会输出：

NULL
bool(true)
bool(false)

参见

• » Write Concern reference