MongoDB\Driver\WriteResult::getDeletedCount

(mongodb >=1.0.0)

MongoDB\Driver\WriteResult::getDeletedCount — Returns the number of documents deleted

说明

final public int|null MongoDB\Driver\WriteResult::getDeletedCount ( void )

参数

此函数没有参数。

返回值

Returns the number of documents deleted, or NULL if the write was not acknowledged.

错误／异常

范例

Example #1 MongoDB\Driver\WriteResult::getDeletedCount() 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->getDeletedCount());

?>

以上例程会输出：

int(1)

参见