--TEST-- MongoDB\BSON\Regex unserialization will alphabetize flags --FILE-- <?php var_dump(unserialize('C:18:"MongoDB\BSON\Regex":58:{a:2:{s:7:"pattern";s:6:"regexp";s:5:"flags";s:6:"xusmli";}}')); ?> ===DONE=== <?php exit(0); ?> --EXPECTF-- object(MongoDB\BSON\Regex)#%d (%d) { ["pattern"]=> string(6) "regexp" ["flags"]=> string(6) "ilmsux" } ===DONE===