Symfony\Component\HttpFoundation\File\File::move PHP Method

    public function move($directory, $name = null)
    {
        if (!is_dir($directory)) {
            if (false === @mkdir($directory, 0777, true)) {
                throw new FileException(sprintf('Unable to create the "%s" directory', $directory));
            }
        } elseif (!is_writable($directory)) {
            throw new FileException(sprintf('Unable to write in the "%s" directory', $directory));
        }

        $target = $directory.DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : basename($name));

        if (!@rename($this->getPathname(), $target)) {
            $error = error_get_last();
            throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s)', $this->getPathname(), $target, strip_tags($error['message'])));
        }

        @chmod($target, 0666 & ~umask());

        return new File($target);
    }

 /**
  * @throws FileException
  */
 public function upload()
 {
     if ($this->file instanceof File) {
         $name = sha1($this->file->getClientOriginalName() . uniqid() . getrandmax()) . '.' . $this->file->guessExtension();
         $this->file->move($this->getWeb() . $this->folder, $name);
         $this->file = $name;
     } else {
         throw new FileException('It must be a Symfony\\Component\\HttpFoundation\\File\\File instance');
     }
 }