PHP operation mangoDb

insert(['id' => 1, 'name'=>'test', 'url' => 'csdn.com']);$manager->executeBulkWrite('test.jihe1', $bulk);// Inquire$filter = ['name' => 'test'];$options = ['projection' => ['_id' => 0],'sort' => ['name' => -1],];$query = new MongoDB\Driver\Query($filter, $options);$cursor = $manager->executeQuery('test.jihe', $query);foreach ($cursor as $document) {print_r($document);}// edit$bulk = new MongoDB\Driver\BulkWrite;$bulk->update(['id' => 1],['$set' => ['name' => 'Test 1234']],['multi' => false, 'upsert' => false] #multi means to update only one piece of data, upsert means that if there is no updated record, no insert operation is performed);$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);$result = $manager->executeBulkWrite('test.jihe', $bulk, $writeConcern);// delete$bulk = new MongoDB\Driver\BulkWrite;$bulk->delete(['id' => 1], ['limit' => 1]); // when limit is 1, delete the first matching data$bulk->delete(['id' => 2], ['limit' => 0]); // when limit is 0, delete all matching data$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);$result = $manager->executeBulkWrite('test.jihe', $bulk, $writeConcern);?>