--TEST-- MongoDB\BSON\DBPointer::jsonSerialize() with json_encode() --FILE-- <?php require_once __DIR__ . '/../utils/tools.php'; $doc = MongoDB\BSON\toPHP(MongoDB\BSON\fromJSON('{ "foo": {"$dbPointer": {"$ref": "phongo.test", "$id" : { "$oid" : "5a2e78accd485d55b4050000" } }} }')); $json = json_encode($doc); echo toJSON(fromPHP($doc)), "\n"; echo $json, "\n"; var_dump(toPHP(fromJSON($json))); ?> ===DONE=== <?php exit(0); ?> --EXPECTF-- { "foo" : { "$ref" : "phongo.test", "$id" : "5a2e78accd485d55b4050000" } } {"foo":{"$dbPointer":{"$ref":"phongo.test","$id":{"$oid":"5a2e78accd485d55b4050000"}}}} object(stdClass)#%d (%d) { ["foo"]=> object(MongoDB\BSON\DBPointer)#%d (%d) { ["ref"]=> string(11) "phongo.test" ["id"]=> string(24) "5a2e78accd485d55b4050000" } } ===DONE===