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このドキュメントでは、 php中国語ネットマニュアル リリース
(mongodb >=1.0.0)
MongoDB\Driver\BulkWrite::count — Count expected roundtrips for executing the bulk
Returns the expected number of client-to-server roundtrips required to execute all write operations in the MongoDB\Driver\BulkWrite.
此函数没有参数。
Returns number of expected roundtrips to execute the MongoDB\Driver\BulkWrite.
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(3)