Find a document with ObjectID in mongoDB

Question

When I inserted some documents into a collection (without an ObjectID) mongoDB adds its own ObjectIDs.

I want to query a document by its unique ObjectID.

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Answer 1

I think now the API changes to MongoDB\BSON\ObjectID, also you can use [] to denote an array in PHP 5.4+, so it should be:

$item = $collection->findOne(['_id' => new MongoDB\BSON\ObjectID( idToken )]);

based on Phil's answer.