original_string: public function toQueryParts(): array
      {
          $fields = [];
          foreach ($this->fields as $field => $value) {
              $fields['by'.ucfirst($field)] = $value;
          }
  
          return $fields;
      }
code: public function toQueryParts(): array
      {
          $fields = [];
          foreach ($this->fields as $field => $value) {
              $fields['by'.ucfirst($field)] = $value;
          }
  
          return $fields;
      }
code_tokens: public function toQueryParts ( ) : array { $ fields = [ ] ; foreach ( $ this -> fields as $ field => $ value ) { $ fields [ 'by' . ucfirst ( $ field ) ] = $ value ; } return $ fields ; }
docstring: Return all of the fields being filtered.
  
  @return array
docstring_tokens: Return all of the fields being filtered .