From b064f86b417256ae9b89c4abdb3135505cf76c1a Mon Sep 17 00:00:00 2001
From: Nikola Posa <posa.nikola@gmail.com>
Date: Wed, 9 Nov 2016 19:16:42 +0100
Subject: [PATCH] Fixing date/time formatting in MongoDBFormatter.

---
 src/Monolog/Formatter/MongoDBFormatter.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/Monolog/Formatter/MongoDBFormatter.php b/src/Monolog/Formatter/MongoDBFormatter.php
index 78c29761..faf37f96 100644
--- a/src/Monolog/Formatter/MongoDBFormatter.php
+++ b/src/Monolog/Formatter/MongoDBFormatter.php
@@ -104,7 +104,27 @@ class MongoDBFormatter implements FormatterInterface
     }
 
     protected function formatDate(\DateTimeInterface $value, int $nestingLevel): UTCDateTime
+    {
+        if (version_compare(phpversion('mongodb'), '1.1.9', '<=')) {
+            return $this->legacyGetMongoDbDateTime($value);
+        }
+
+        return $this->getMongoDbDateTime($value);
+    }
+
+    final protected function getMongoDbDateTime(\DateTimeInterface $value): UTCDateTime
     {
         return new UTCDateTime((string) floor($value->format('U.u') * 1000));
     }
+
+    final protected function legacyGetMongoDbDateTime(\DateTimeInterface $value): UTCDateTime
+    {
+        $milliseconds = floor($value->format('U.u') * 1000);
+
+        $milliseconds = (PHP_INT_SIZE == 8) //64-bit OS?
+            ? (int) $milliseconds
+            : (string) $milliseconds;
+
+        return new UTCDateTime($milliseconds);
+    }
 }