Updating a document in a MongoDB database (PHP 5 vs. PHP 7)

update_php5_vs_php7.php

// PHP 5
$m = new MongoClient();
$db = $m->test;
$collection = $db->todos;
$collection->update(
   array("_id" => new MongoId($id)), 
   array('$set' =>
      array("title" => "MongoDB Tutorial")
   )
);

// PHP 7
$m = new MongoDB\Driver\Manager();
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->update(
   array("_id" => new MongoDB\BSON\ObjectId($id)),
   array("title" => "MongoDB Tutorial")
);
$m->executeBulkWrite('test.todos', $bulk);