FAQ

I get an error uploading some files

This is probably a file size upload limit issue. MAX_UPLOAD_SIZE config option allow you to set the file limit for transfer. But server settings (upload_max_filesize and post_max_size in php.ini) may overwrite this value.

File Permissions

refer https://serverfault.com/questions/962790/php-script-and-correct-permissions-for-user-to-change-everything