Mongodb check if connection is ok via Laravel/PHP

Question

I'm using laravel 5.2 and MongoDB 3.2.

I want to test if connection with is ok before my app starts (i can't use DB facade), in the monolog configuration. If connection is not ok, i will use logging in file.

By recommendation, i'm testing MongoClient, Mongo and MongoDB\Client, and using whatever is enabled.

I'm trying to test mongo connect as the following:

$mongoClient = new \MongoDB\Client('mongodb://localhost:27017');
$mongoClient->selectCollection('mydb', 'mycollection');

That's the return:

Client {   
    +manager: Manager {#21}
    +uri: "mongodb://localhost:27017"   
    +typeMap: [
        array => "MongoDB\Model\BSONArray",
        document => "MongoDB\Model\BSONDocument",
        root => "MongoDB\Model\BSONDocument"   
    ]
}

Finnaly, my questions:

Exists a way to use DB facade before app starts?
How and what is the right way to test MongoDB connection with PHP?

If you has another suggestion, i will be thankful.

Finnaly i get the exception when fire: $mongoClient->mydb->mycollection->findOne(). This solve my problem, but my questions persist. :) — Cleiton Souza
– Cleiton Souza, Commented Nov 10, 2016 at 13:48

Myles · Accepted Answer · 2017-04-27 07:02:01Z

2

According to PHP document, the driver connects to the database lazily (http://php.net/manual/en/mongodb-driver-manager.getservers.php), the only way to test connection should be actually execute commands like findOne() stated in yours comment.

In addition, if the name of DB or Collection is uncertain at the point, you can use listDatabases() method which also throws exceptions if connection fails.

answered Apr 27, 2017 at 7:02

Myles

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Comments

Mital Gajjar · Accepted Answer · 2016-11-10 13:43:36Z

0

using this way you can check MongoDB connection with PHP:

$connection = new MongoClient(); // connects to localhost:27017
$connection = new MongoClient( "mongodb://example.com" ); // connect to a remote host (default port: 27017)
$connection = new MongoClient( "mongodb://example.com:65432" ); // connect to a remote host at a given port

answered Nov 10, 2016 at 13:43

Mital Gajjar

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1 Comment

Cleiton Souza Over a year ago

No, this will not trigger any errors or exceptions. (Remember I need to do something that works for the 3 classes I listed)

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