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MongoDB\Driver\WriteResult::isAcknowledged

(mongodb >=1.0.0)

MongoDB\Driver\WriteResult::isAcknowledgedReturns whether the write was acknowledged

说明

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

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

示例

示例 #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());

?>

以上示例会输出:

bool(true)

示例 #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());

?>

以上示例会输出:

bool(false)
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