public static function getRelationsModelVarsList($fields) { $relationModelList = []; foreach ($fields as $field) { // add foreign keys $name = $field->name; $options = $field->options; $foreignModelVars = GeneratorsServiceProvider::getForeignModelVars($name, $options); if ($foreignModelVars) { $relationModelList[$name] = $foreignModelVars; } } return $relationModelList; }