问题
Renaming the file is working as instructed here Rename files during upload within Wordpress
In my scenario all files will be uploaded via a gravity form on a page (/upload).
This method is naming every file Upload.mp3 instead of Post Name.mp3.
Can this method be modified to work in my scenario?
来源：https://stackoverflow.com/questions/13809555/rename-files-during-upload-within-wordpress-and-gravity-form