--TEST-- MongoDB\BSON\Regex::__set_state() will alphabetize flags --FILE-- <?php var_export(MongoDB\BSON\Regex::__set_state([ 'pattern' => 'regexp', 'flags' => 'xusmli', ])); echo "\n"; ?> ===DONE=== <?php exit(0); ?> --EXPECTF-- MongoDB\BSON\Regex::__set_state(array( %w'pattern' => 'regexp', %w'flags' => 'ilmsux', )) ===DONE===