--TEST-- MongoDB\BSON\DBPointer serialization --FILE-- <?php $test = MongoDB\BSON\toPHP(MongoDB\BSON\fromJSON('{ "dbref": {"$dbPointer": {"$ref": "phongo.test", "$id" : { "$oid" : "5a2e78accd485d55b4050000" } }} }'))->dbref; var_dump($test); var_dump($s = serialize($test)); var_dump(unserialize($s)); echo "\n"; ?> ===DONE=== <?php exit(0); ?> --EXPECTF-- object(MongoDB\BSON\DBPointer)#1 (2) { ["ref"]=> string(11) "phongo.test" ["id"]=> string(24) "5a2e78accd485d55b4050000" } string(111) "C:22:"MongoDB\BSON\DBPointer":76:{a:2:{s:3:"ref";s:11:"phongo.test";s:2:"id";s:24:"5a2e78accd485d55b4050000";}}" object(MongoDB\BSON\DBPointer)#2 (2) { ["ref"]=> string(11) "phongo.test" ["id"]=> string(24) "5a2e78accd485d55b4050000" } ===DONE===