MongoDB\Driver\WriteResult::isAcknowledged

(mongodb >=1.0.0)

MongoDB\Driver\WriteResult::isAcknowledged — Returns whether the write was acknowledged

说明

final public bool MongoDB\Driver\WriteResult::isAcknowledged ( void )

If the write is acknowledged, other count fields will be available on the MongoDB\Driver\WriteResult object.

参数

此函数没有参数。

返回值

Returns TRUE if the write was acknowledged, and FALSE otherwise.

错误／异常

范例

Example #1 MongoDB\Driver\WriteResult::isAcknowledged() with acknowledged write concern

<?php

$manager = new MongoDB\Driver\Manager;

$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['x' => 1]);

$result = $manager->executeBulkWrite('db.collection', $bulk);

var_dump($result->isAcknowledged());

?>

以上例程会输出：

bool(true)

Example #2 MongoDB\Driver\WriteResult::isAcknowledged() with unacknowledged write concern

<?php

$manager = new MongoDB\Driver\Manager;

$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['x' => 1]);

$result = $manager->executeBulkWrite('db.collection', $bulk, new MongoDB\Driver\WriteConcern(0));

var_dump($result->isAcknowledged());

?>

以上例程会输出：

bool(false)