raised the minimum version of PHP to 5.3.4 (closes #3856)
raised the minimum version of PHP to 5.3.4 (closes #3856)

We've raised the minimum version of PHP because of a PHP
bug before 5.3.4:

https://bugs.php.net/bug.php?id=52083
https://bugs.php.net/bug.php?id=50027

symfony/framework-bundle