(mongodb >=2.1.0)
MongoDB\Driver\BulkWriteCommandResult::getMatchedCount — Returns the number of documents selected for update
If the update operation results in no change to the document (e.g. setting the value of a field to its current value), the matched count may be greater than the value returned by MongoDB\Driver\BulkWriteCommandResult::getModifiedCount().
この関数にはパラメータはありません。
Returns the total number of documents selected for update by all operations.
例1 MongoDB\Driver\BulkWriteCommandResult::getMatchedCount() example
<?php
$manager = new MongoDB\Driver\Manager;
$bulk = new MongoDB\Driver\BulkWriteCommand;
$bulk->insertOne('db.coll', ['x' => 1]);
$bulk->updateOne('db.coll', ['x' => 1], ['$set' => ['y' => 3]]);
$bulk->updateOne('db.coll', ['x' => 2], ['$set' => ['y' => 1]], ['upsert' => true]);
$bulk->updateOne('db.coll', ['x' => 3], ['$set' => ['y' => 2]], ['upsert' => true]);
$bulk->deleteMany('db.coll', []);
$result = $manager->executeBulkWriteCommand($bulk);
var_dump($result->getMatchedCount());
?>上の例の出力は以下となります。
int(1)