Mastering PHP 7

Updating 

Updating existing data is a nearly identical process as writing new data. The obvious difference being the use of the update() method on the MongoDBDriverBulkWrite instance:

<?phprequire_once __DIR__ . '/vendor/autoload.php';try {    $manager = new MongoDBDriverManager('mongodb://localhost:27017');    $bulkWrite = new MongoDBDriverBulkWrite;    $bulkWrite->update(        ['name' => 'iPhone 7 Black White'],        ['$set' => [            'name' => 'iPhone 7 Black Black',            'price' => 649.99        ]],        ['multi' => true, 'upsert' => false]    );    $bulkWrite->update(        ['name' => 'Samsung Galaxy S7 White'],        ['$set' => [            'name' => 'Samsung Galaxy S7 Black',            'price' => 669.99        ]],        ['multi' => true, 'upsert' => false]    );    $writeConcern = new MongoDBDriverWriteConcern(MongoDBDriverWriteConcern:: ...