PHP 5.3.28, 5.4.23, and 5.5.7

The PHP developers recently released versions 5.3.28, 5.4.23, and 5.5.7 that fix several bugs. We’ve upgraded PHP 5.3, 5.4 and 5.5 on our servers as a result.

These changes should not be noticeable, but in the unlikely event you experience any trouble, don’t hesitate to let us know.