What are the common errors that can occur when using ObjectID in MongoDB findOne method in PHP?

One common error when using ObjectID in the MongoDB findOne method in PHP is passing the ObjectID as a string instead of an actual ObjectID object. To solve this issue, you need to create a new ObjectID object using the MongoDB\BSON\ObjectId class before passing it to the findOne method. 

// Incorrect way of passing ObjectID as a string
$objectId = "5f5f1a3b4a5d8c0012345678";

// Correct way of creating ObjectID object
$objectId = new MongoDB\BSON\ObjectId("5f5f1a3b4a5d8c0012345678");

// Using the ObjectID in the findOne method
$result = $collection->findOne(['_id' => $objectId]);

Keywords

MongoDB ObjectID findOne PHP errors

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