php/php-src — pull request #322 by Irker (2013-04-09 20:19:32+00:00)
Title: Fix DateInterval->days value

When object was created not from DateTime::diff():
in var_dump($object) days property have value "false",
but in var_dump($object->days) have value -99999

Example:
https://gist.github.com/Irker/5346465

Commit was made ​​instinctively, please check my code.