(mongodb >=1.0.0)
MongoDB\Driver\WriteResult::isAcknowledged — 傳回寫入是否已確認
如果寫入已確認，其他計數欄位將在 MongoDB\Driver\WriteResult 物件上可用。
此函式沒有參數。
範例 #1 使用已確認寫入關注的 MongoDB\Driver\WriteResult::isAcknowledged()
<?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());
?>以上範例將輸出
bool(true)
範例 #2 使用未確認寫入關注的 MongoDB\Driver\WriteResult::isAcknowledged()
<?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());
?>以上範例將輸出
bool(false)