code: public function toArray()
      {
          $array = $this->fields;
  
          foreach ($this->appends as $accessor) {
              if (isset($this[$accessor])) {
                  $array[$accessor] = $this[$accessor];
              }
          }
  
          foreach ($this->related as $key => $value) {
              if (is_object($value) && method_exists($value, 'toArray')) {
                  $array[$key] = $value->toArray();
              } elseif (is_null($value) || $value === false) {
                  $array[$key] = $value;
              }
          }
  
          if (count($this->getVisible()) > 0) {
              $array = array_intersect_key($array, array_flip($this->getVisible()));
          }
  
          if (count($this->getHidden()) > 0) {
              $array = array_diff_key($array, array_flip($this->getHidden()));
          }
  
          return $array;
      }
docs: Cast model to array.
  
  @return array