--TEST-- MongoDB\BSON\BinaryInterface is implemented by MongoDB\BSON\Binary --FILE-- <?php $binary = new MongoDB\BSON\Binary('foo', MongoDB\BSON\Binary::TYPE_GENERIC); var_dump($binary instanceof MongoDB\BSON\BinaryInterface); ?> ===DONE=== <?php exit(0); ?> --EXPECT-- bool(true) ===DONE===