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PHP Manual [MongoDB\Driver\Server

MongoDB\Driver\Server::executeBulkWrite || MongoDB\Driver\Server::executeQuery || MongoDB\Driver\Server || PHP Manual

(mongodb >=1.0.0)

MongoDB\Driver\Server::executeCommandExecute a database command on this server


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

Executes command on this server.


The readPreference parameter does not control the server to which the driver issues the command; the command will always be executed on this server object. Instead, it may be used when issuing the command to a secondary (from a replica set connection, not standalone) or mongos node to ensure that the driver sets the wire protocol accordingly or adds the read preference to the command document, respectively.


db (string)

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

command (MongoDB\Driver\Command)

The MongoDB\Driver\Command to execute.

readPreference (MongoDB\Driver\ReadPreference)

Optionally, a MongoDB\Driver\ReadPreference to select the server for this operation. If none is given, the read preference from the MongoDB Connection URI will be used.

Return Values

Returns MongoDB\Driver\Cursor on success.




This method does not take a MongoDB\Driver\WriteConcern parameter. For write commands (e.g. » findAndModify in MongoDB 3.2+), the write concern should be included in the command document itself.

It is the caller's responsibility to ensure that the server is capable of executing the command. For example, executing a write operation on a secondary (excluding its "local" database) will fail.

MongoDB\Driver\Server::executeBulkWrite || MongoDB\Driver\Server::executeQuery || MongoDB\Driver\Server || PHP Manual
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