افزونه 2 Attachment Improvements By Xon 2.3.1

• Fix error when rebuilding thumbnails ("Return value must be of the type string, null returned")

Yesterday at 4:54 PM
Installer now requires php 7+ & XenForo 2.1+
Add php7 type hinting
Add icon for options group
Force global namespace for functions which are known to be optimizable to bytecode in php
Improve extracting svg dimensions