Fixed a bug that causes crash when environment variable is access while parsing php.ini
Merge branch 'PHP-5.5' of git.php.net:php-src into PHP-5.5
DateTimeZone::getOffset() now accepts a DateTimeInterface

Fixes #68062
Merge branch 'PHP-5.4' into PHP-5.5
Merge branch 'PHP-5.5' into PHP-5.6