MongoDB\Driver\Manager
PHP Manual

MongoDB\Driver\Manager::executeCommand

(mongodb >=0.2.0)

MongoDB\Driver\Manager::executeCommandExecute a MongoDB database command

Descrierea

final public MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeCommand ( string $db , MongoDB\Driver\Command $command [, MongoDB\Driver\ReadPreference $readPreference ] )

Executes command on a MongoDB server matching readPreference.

Parametri

db

The name of the database on which to execute the command.

command

The command document.

readPreference

Optionally, a MongoDB\Driver\ReadPreference to route the command to. If none given, defaults to the Read Preferences set by the MongoDB Connection URI.

Valorile întoarse

Returns MongoDB\Driver\Cursor on success, throws exception (instanceof MongoDB\Driver\Exception) on failure.

Erori/Excepții

Exemple

Example #1 MongoDB\Driver\Manager::executeCommand() example

<?php

$manager 
= new MongoDB\Driver\Manager("mongodb://localhost:27017");
$command = new MongoDB\Driver\Command(array("ping" => 1));

try {
    
$cursor $manager->executeCommand("admin"$command);
    
$response $cursor->toArray()[0];
} catch(
MongoDB\Driver\Exception $e) {
    echo 
$e->getMessage(), "\n";
    exit;
}
var_dump($response);

?>

Exemplul de mai sus va afișa ceva similar cu:


array(1) {
  ["ok"]=>
  float(1)
}

Note

Notă:

For write commands, MongoDB\Driver\WriteConcern is included in the command document itself.

Notă:

If a secondary readPreference is used, it is the caller's responsibility to ensure that the command can be executed on a secondary. No validation is done by the driver.

A se vedea și


MongoDB\Driver\Manager
PHP Manual