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    The MongoDB\Driver\ServerApi class

    (mongodb >=1.10.0)

    はじめに

    クラス概要

    final class MongoDB\Driver\ServerApi implements MongoDB\BSON\Serializable, Serializable {
    /* 定数 */
    const string MongoDB\Driver\ServerAPI::V1 = "1";
    /* メソッド */
    final public bsonSerialize(): stdClass
    final public __construct(string $version, ?bool $strict = null, ?bool $deprecationErrors = null)
    final public serialize(): string
    final public unserialize(string $data): void
    }

    定義済み定数

    MongoDB\Driver\ServerApi::V1

    Server API version 1.

    例

    例1 Declare an API version on a manager

    <?php

    use MongoDB\Driver\Manager;
    use     MongoDB\Driver\ServerApi;

    $v1 = new ServerApi(ServerApi::v1);
    $manager = new Manager('mongodb://localhost:27017', [], ['serverApi' => $v1]);

    $command = new MongoDB\Driver\Command(['buildInfo' => 1]);

    try {
    $cursor = $manager->executeCommand('admin', $command);
    } catch(    MongoDB\Driver\Exception $e) {
    echo     $e->getMessage(), "\n";
    exit;
    }

    /* The buildInfo command returns a single result document, so we need to access
    * the first result in the cursor. */
    $buildInfo = $cursor->toArray()[0];

    echo     $buildInfo->version, "\n";

    ?>

    上の例の出力は以下となります。

    4.9.0-alpha7-49-gb968ca0

    例2 Declare a strict API version on a manager

    The following example sets the strict flag, which tells the server to reject any command that is not part of the declared API version. This results in an error when running the buildInfo command.

    <?php

    use MongoDB\Driver\Manager;
    use     MongoDB\Driver\ServerApi;

    $v1 = new ServerApi(ServerApi::v1, true);
    $manager = new Manager('mongodb://localhost:27017', [], ['serverApi' => $v1]);

    $command = new MongoDB\Driver\Command(['buildInfo' => 1]);

    try {
    $cursor = $manager->executeCommand('admin', $command);
    } catch(    MongoDB\Driver\Exception $e) {
    echo     $e->getMessage(), "\n";
    exit;
    }

    /* The buildInfo command returns a single result document, so we need to access
    * the first result in the cursor. */
    $buildInfo = $cursor->toArray()[0];

    echo     $buildInfo->version, "\n";

    ?>

    上の例の出力は以下となります。

    Provided apiStrict:true, but the command buildInfo is not in API Version 1

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