Php/docs/mongodb-driver-writeresult.isacknowledged

• PHP Manual
• MongoDB\Driver\WriteResult
• Returns whether the write was acknowledged

MongoDB\Driver\WriteResult::isAcknowledged

(mongodb >=1.0.0)

MongoDB\Driver\WriteResult::isAcknowledged — Returns 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

• Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

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)

参见

• MongoDB\Driver\WriteConcern
• » Write Concern reference