File upload question

/** @var modUser $user */
    $user = & $fields['register.user'];
    $userId = $user->get('id');
    /** @var modUserProfile $profile  */
    $profile = & $fields['register.profile'];
    if (!empty($fields['cvdoc'])) {
        $cvdoc = array();
        $cvdoc['temp'] = $fields['cvdoc'];
        $cvdoc['basename'] = basename($cvdoc['temp']);
        /***********************************************************************
         * XXX: IMPORTANT XXX
         *
         * Create unique path here for this profile updating.
         * You can change this as you wish.
         * The $userId variable comes from above initiation.
         *
         ***********************************************************************/
        $cvdoc['newdir'] = 'assets/uploads/profiles/' . $userId . '/';
        $cvdoc['newfilepath'] = $cvdoc['newdir'] . $cvdoc['basename'];
        $cvdoc['target'] = $hook->modx->config['base_path'] . $cvdoc['temp'];
        $cvdoc['moved'] = $hook->modx->config['base_path'] . $cvdoc['newfilepath'];
        // make the user's private directory
        mkdir($cvdoc['newdir'], 0755, true);
        $photoUpdated = false;
        // move the photo from the temporary path to the new one
        if (!rename($cvdoc['target'], $cvdoc['moved'])) {
            // if "rename" function fails, try "copy" instead.
            if (!copy($cvdoc['target'], $cvdoc['moved'])) {
                // just dump the log report to the MODX's error log,
                // because both "rename" and "copy" functions fail
                $hook->modx->log(modX::LOG_LEVEL_ERROR, __FILE__ . ' ');
                $hook->modx->log(modX::LOG_LEVEL_ERROR, __LINE__ . ': $userId ' . $userId);
                $hook->modx->log(modX::LOG_LEVEL_ERROR, __LINE__ . ': $cvdoc ' . print_r($cvdoc, 1));
            } else {
                // if copy succeeded, delete the old temporary picture
                unlink($cvdoc['target']);
                $photoUpdated = true;
$profile->set('cvdoc', $cvdoc['newfilepath']);
            $profile->save();
            }
        } else {
            $photoUpdated = true;
        }
        if ($photoUpdated) {
            /**
             * Now we update the profile
             * The $profile variable comes from above initiation.
             */
            $profile->set('cvdoc', $cvdoc['newfilepath']);
            $profile->save();
            /**
             * Yeah! xPDO rocks! Simply like that!
             */
        }
    }




    return TRUE;

$extended = $profile->get('extended');
$extended['cvdoc'] = $cvdoc['newfilepath'];
$profile->set('extended', $extended);
$profile->save();