Use rawurlen/decode to be compatible with specialchars
Use rawurlen/decode to be compatible with specialchars

The problem occured with filename containing + for uploaded image.
+ was decoded with %something and encoded to something different,
so it was effected in both ways and therefore resulting in exception.

kaufmo/koala-framework,yacon/koala-framework,Sogl/koala-framework,nsams/koala-framework,yacon/koala-framework,nsams/koala-framework,kaufmo/koala-framework,Ben-Ho/koala-framework,kaufmo/koala-framework,Ben-Ho/koala-framework,yacon/koala-framework,koala-framework/koala-framework,koala-framework/koala-framework,nsams/koala-framework,Sogl/koala-framework