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The MongoDB\Driver\ServerApi class

(mongodb >=1.10.0)

Introduzione

Sommario della classe

final class MongoDB\Driver\ServerApi implements MongoDB\BSON\Serializable, Serializable {
/* Costanti */
const string MongoDB\Driver\ServerAPI::V1 = "1";
/* Metodi */
final public bsonSerialize(): stdClass
final public __construct(string $version, ?bool $strict = null, ?bool $deprecationErrors = null)
}

Costanti predefinite

MongoDB\Driver\ServerApi::V1
Server API version 1.

Esempi

Example #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";

?>

Il precedente esempio visualizzerà:

4.9.0-alpha7-49-gb968ca0

Example #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";

?>

Il precedente esempio visualizzerà:

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

Indice dei contenuti