--TEST-- MongoDB\Driver\Session::startTransaction() throws an error on sharded clusters < 4.2 --SKIPIF-- <?php require __DIR__ . "/../utils/basic-skipif.inc"; ?> <?php skip_if_not_libmongoc_crypto() ?> <?php skip_if_not_mongos_with_replica_set(); ?> <?php skip_if_server_version('<', '3.6'); ?> <?php skip_if_server_version('>=', '4.2'); ?> --FILE-- <?php require_once __DIR__ . "/../utils/basic.inc"; $manager = new MongoDB\Driver\Manager(URI); $session = $manager->startSession(); echo throws(function () use ($session) { $session->startTransaction(); }, MongoDB\Driver\Exception\RuntimeException::class), "\n"; ?> ===DONE=== <?php exit(0); ?> --EXPECT-- OK: Got MongoDB\Driver\Exception\RuntimeException Multi-document transactions are not supported by this server version ===DONE===