PHP 7.1.18 Released

MongoDB\Driver\BulkWrite::count

(mongodb >=1.0.0)

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

说明

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

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
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.

范例

Example #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));

?>

以上例程会输出:

int(4)
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top