eZ\Publish\Core\FieldType\FieldType::fieldSettingsToHash PHP Method

    public function fieldSettingsToHash($fieldSettings)
    {
        return $fieldSettings;
    }

 /**
  * Converts the given $fieldSettings to a simple hash format.
  *
  * @param mixed $fieldSettings
  *
  * @return array|hash|scalar|null
  */
 public function fieldSettingsToHash($fieldSettings)
 {
     return $this->internalFieldType->fieldSettingsToHash($fieldSettings);
 }