(mongodb >=2.1.0)
MongoDB\Driver\BulkWriteCommand::count — Count number of write operations in the BulkWriteCommand
Returns the number of write operations added to the MongoDB\Driver\BulkWriteCommand object.
此函数没有参数。
Returns number of write operations added to the MongoDB\Driver\BulkWriteCommand object.
示例 #1 MongoDB\Driver\BulkWriteCommand::count() example
<?php
$bulk = new MongoDB\Driver\BulkWriteCommand;
$bulk->insertOne('db.coll', ['_id' => 1, 'x' => 1]);
$bulk->insertOne('db.coll', ['_id' => 2, 'x' => 2]);
$bulk->updateOne('db.coll', ['x' => 2], ['$set' => ['x' => 1]]);
$bulk->deleteMany('db.coll', ['x' => 1]);
var_dump(count($bulk));
?>以上示例会输出：
int(4)