[Помогите] elfinder limit directory size for power image manager

i need to limit size of directory image/data for 200mb how to config.
i follow trick from

Код:

https://github.com/Studio-42/elFinder/issues/548

but it no any effect.

thank

this power image module

 

yes!!
i got it from

Код:

http://stackoverflow.com/questions/10895343/php-count-total-files-in-directory-and-subdirectory-function