/** * Gets value of field $fieldId from $cbUser record * * @param CBuser $cbUser * @param int $fieldId * @return mixed */ private static function _getFieldValue( $cbUser, $fieldId ) { $user = $cbUser->getUserData(); if ( $user && isset( $user->id ) ) { return cbpaidUserExtension::getInstance( $user->id )->getFieldValue( $fieldId, true ); } else { return null; } }