--TEST-- MongoDB\BSON\UTCDateTime::toDateTime() --INI-- date.timezone=America/Los_Angeles --FILE-- <?php $utcdatetime = new MongoDB\BSON\UTCDateTime("1416445411987"); $datetime = $utcdatetime->toDateTime(); var_dump($datetime->format(DATE_RSS)); ?> ===DONE=== <?php exit(0); ?> --EXPECT-- string(31) "Thu, 20 Nov 2014 01:03:31 +0000" ===DONE===