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    MongoDB\Driver\BulkWrite::count

    (mongodb >=1.0.0)

    MongoDB\Driver\BulkWrite::count — Count number of write operations in the bulk

    説明

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

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

    パラメータ

    この関数にはパラメータはありません。

    戻り値

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

    エラー / 例外

    変更履歴

    バージョン 説明
    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.

    例

    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));

    ?>

    上の例の出力は以下となります。

    int(4)

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