Solving problem Call to undefined function Intervention\Image\finfo_buffer()

Based on problem

production.ERROR: exception 'Symfony\Component\Debug\Exception\FatalErrorException' with message 'Call to undefined function Intervention\Image\finfo_buffer()'

Which image can't be save and load (user image and shop banner)

After a few hours searching and finding ways to solve this issue, so to solve this
For DREAMHOST hosting

changing phprc located at /.php/5.6/  adding this :

extension=fileinfo.so

extension=php_fileinfo.dll