SunshinePHP 2016


If MongoDB is started with the --auth or --keyFile options, you must authenticate before you can do any operations with the driver. You may authenticate a connection by specifying the username and password in either the connection URI or the "username" and "password" options for MongoClient::__construct().

Example #1 Authenticating against the "admin" database

// Specifying the username and password in the connection URI (preferred)
$m = new MongoClient("mongodb://${username}:${password}@localhost");

// Specifying the username and password via the options array (alternative)
$m = new MongoClient("mongodb://localhost", array("username" => $username"password" => $password));

By default, the driver will authenticate against the admin database. You may authenticate against a different database by specifying it in either the connection URI or the "db" option for MongoClient::__construct().

Example #2 Authenticating against normal databases

// Specifying the authentication database in the connection URI (preferred)
$m = new MongoClient("mongodb://${username}:${password}@localhost/myDatabase");

// Specifying the authentication database via the options array (alternative)
$m = new MongoClient("mongodb://${username}:${password}@localhost", array("db" => "myDatabase"));

If your connection is dropped, the driver will automatically attempt to reconnect and reauthenticate you.

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User Contributed Notes 2 notes

davida at quickplay dot com
9 months ago
How does this work for connections to replication sets?

Does the connection string become:
dan at kayakaddict dot co dot uk
4 months ago
For connecting to a replica set with authentication it is possible to use a connection string like the following (substitute the port numbers, replica set name and DB with your own)

$m = new MongoClient("mongodb://${username}:${password}@localhost:27037,mongodb://${username}:${password}@localhost:27038",
array("replicaSet" => "test"_replica, "db" => "mytestdb"));

The second member string "mongodb://${username}:${password}@localhost:27038" does not need the username and password - however, if the connection to the first member fails I have not tested to see if the username and password persist to the second member.
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