(mongodb >=1.0.0)
MongoDB\Driver\WriteResult::isAcknowledged — Returns whether the write was acknowledged
If the write is acknowledged, other count fields will be available on the MongoDB\Driver\WriteResult object.
此函數沒(méi)有參數。
Returns true if the write was acknowledged, and false otherwise.
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());
?>
以上例程會(huì )輸出：
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());
?>
以上例程會(huì )輸出：
bool(false)