--TEST-- MongoDB\BSON\UTCDateTime constructor defaults to current time --FILE-- <?php $tests = [ new MongoDB\BSON\UTCDateTime, new MongoDB\BSON\UTCDateTime(null), ]; foreach ($tests as $test) { var_dump($test); } ?> ===DONE=== <?php exit(0); ?> --EXPECTF-- object(MongoDB\BSON\UTCDateTime)#%d (%d) { ["milliseconds"]=> string(13) "%d" } object(MongoDB\BSON\UTCDateTime)#%d (%d) { ["milliseconds"]=> string(13) "%d" } ===DONE===