MongoDB\Driver\BulkWrite::count

(mongodb >=1.0.0)

MongoDB\Driver\BulkWrite::countCount number of write operations in the bulk

说明

public MongoDB\Driver\BulkWrite::count(): int

Returns the number of write operations added to the MongoDB\Driver\BulkWrite object.

参数

此函数没有参数。

返回值

Returns number of write operations added to the MongoDB\Driver\BulkWrite object.

错误/异常

更新日志

版本 说明
PECL mongodb 1.2.0 Returns the number of write operations added to the MongoDB\Driver\BulkWrite object. Earlier versions returned the expected number of client-to-server roundtrips required to execute all write operations.

示例

示例 #1 MongoDB\Driver\BulkWrite::count() example

<?php

$bulk
= new MongoDB\Driver\BulkWrite;
$bulk->insert(['_id' => 1, 'x' => 1]);
$bulk->insert(['_id' => 2, 'x' => 2]);
$bulk->update(['x' => 2], ['$set' => ['x' => 1]]);
$bulk->delete(['x' => 1]);

var_dump(count($bulk));

?>

以上示例会输出:

int(4)
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