protected function isDirectoryEmpty($directory)
    {
        $path = $this->getStorageDisk()->path($directory);
        return !(new FilesystemIterator($path))->valid();
    }
protected function isDirectoryEmpty($directory)
    {
        $path = $this->getStorageDisk()->path($directory);
        return !(new FilesystemIterator($path))->valid();
    }
protected function isDirectoryEmpty ( $ directory ) { $ path = $ this -> getStorageDisk ( ) -> path ( $ directory ) ; return ! ( new FilesystemIterator ( $ path ) ) -> valid ( ) ; }
Returns true if a directory contains no files.
@param $directory
@return bool|null
Returns true if a directory contains no files .