(mongodb >=1.0.0)
MongoDB\Driver\WriteResult::getDeletedCount — 傳回已刪除文件的數量
此函式沒有參數。
傳回已刪除文件的數量，如果寫入未被確認，則傳回 null。
範例 #1 MongoDB\Driver\WriteResult::getDeletedCount() 範例
<?php
$manager = new MongoDB\Driver\Manager;
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['x' => 1]);
$bulk->update(['x' => 1], ['$set' => ['y' => 3]]);
$bulk->update(['x' => 2], ['$set' => ['y' => 1]], ['upsert' => true]);
$bulk->update(['x' => 3], ['$set' => ['y' => 2]], ['upsert' => true]);
$bulk->delete(['x' => 1]);
$result = $manager->executeBulkWrite('db.collection', $bulk);
var_dump($result->getDeletedCount());
?>上述範例將輸出
int(1)