Ok, here's a compromise: We either keep microseconds when converting to DateTime, or negative epochs. I can't find a way for supporting both.

Author: danielmewes

rdb/Datum/ObjectDatum.php

@@ -67,9 +67,15 @@ public function toNative($opts)
         if ((!isset($opts['timeFormat']) || $opts['timeFormat'] == "native")
             && isset($native['$reql_type$']) && $native['$reql_type$'] == 'TIME') {
             $time = $native['epoch_time'];
-            //$format = (strpos($time, '.') !== false) ? 'Y-m-d H:i:s.u' : 'Y-m-d H:i:s';
-            $format = (strpos($time, '.') !== false) ? 'Y-m-d\TH:i:s.u' : 'Y-m-d\TH:i:s';
-            $datetime = new \DateTime(date($format, $time) . $native['timezone'], new \DateTimeZone('UTC'));
+            // This is really stupid. It looks like we can either use `date`, which ignores microseconds,
+            // or we can use `createFromFormat` which cannot handle negative epoch times.
+            if ($time < 0) {
+                $format = (strpos($time, '.') !== false) ? 'Y-m-d\TH:i:s.u' : 'Y-m-d\TH:i:s';
+                $datetime = new \DateTime(date($format, $time) . $native['timezone'], new \DateTimeZone('UTC'));
+            } else {
+                $format = (strpos($time, '.') !== false) ? '!U.u T' : '!U T';
+                $datetime = \DateTime::createFromFormat($format, $time . " " . $native['timezone'], new \DateTimeZone('UTC'));
+            }
 
             // This is horrible. Just because in PHP 5.3.something parsing "+01:00" as a DateTimeZone doesn't work. :(
             $tzSign = $native['timezone'][0];