--TEST-- MongoDB\Driver\WriteError::getMessage() --SKIPIF-- --FILE-- insert(['_id' => 1]); $bulk->insert(['_id' => 1]); $bulk->insert(['_id' => 1]); try { $manager->executeBulkWrite(NS, $bulk); } catch(MongoDB\Driver\Exception\BulkWriteException $e) { var_dump($e->getWriteResult()->getWriteErrors()[0]->getMessage()); } ?> ===DONE=== --EXPECTF-- string(%d) "%SE11000 duplicate key error %s: phongo.writeError_writeerror_getMessage_001%s dup key: { %S: 1 }" ===DONE===