Merge pull request #803 from DirectoryTree/bug-801

Fix date attributes producing invalid UNIX timestamps on 32-bit PHP

Author: stevebauman

src/Models/Attributes/Timestamp.php

@@ -190,7 +190,7 @@ protected function convertWindowsIntegerTimeToDateTime(string|int|null $value =
         }
 
         return (new DateTime)->setTimestamp(
-            (int) ($value / 10000000) - 11644473600
+            (int) (round($value / 10000000) - 11644473600)
         );
     }
 

tests/Unit/Models/Attributes/TimestampTest.php

@@ -154,7 +154,7 @@ public function test_windows_int_type_rounds_correctly()
         foreach (['133692539995000000', '133692539999500000'] as $windowsIntegerTime) {
             $dateTime = $timestamp->toDateTime($windowsIntegerTime);
 
-            $expectedUnixTimestamp = (int) ($windowsIntegerTime / 10000000) - 11644473600;
+            $expectedUnixTimestamp = (int) (round($windowsIntegerTime / 10000000) - 11644473600);
 
             $this->assertEquals($expectedUnixTimestamp, $dateTime->getTimestamp());
         }