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MongoDB\Driver\WriteResult::getModifiedCount

(mongodb >=1.0.0)

MongoDB\Driver\WriteResult::getModifiedCount — Returns the number of existing documents updated

Descrizione

final public MongoDB\Driver\WriteResult::getModifiedCount(): int

If the update operation results in no change to the document (e.g. setting the value of a field to its current value), the modified count may be less than the value returned by MongoDB\Driver\WriteResult::getMatchedCount().

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

Returns the number of existing documents updated.

Errori/Eccezioni

Log delle modifiche

Versione Descrizione
PECL mongodb 2.0.0

This method now throws an exception when called for an unacknowledged write instead of returning null.

Esempi

Example #1 MongoDB\Driver\WriteResult::getModifiedCount() example

<?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->getModifiedCount());

?>

Il precedente esempio visualizzerà:

int(1)

Vedere anche: