php/php-src — pull request #123 by reeze (2012-07-08 08:16:19+00:00)
Title: Fixed bug #62500 (Segfault in DateInterval class when extended)

https://bugs.php.net/bug.php?id=62500

When accessing properties before DateIntervl initialized will cause segfault.
other functions checked this situation but left property getter and setter function.