@@ -9,7 +9,7 @@  | 
                                                    ||
| 9 | 9 | */  | 
                                                        
| 10 | 10 | abstract class Model  | 
                                                        
| 11 | 11 |  { | 
                                                        
| 12 | - public function toJson(): bool|string  | 
                                                        |
| 12 | + public function toJson(): bool | string  | 
                                                        |
| 13 | 13 |      { | 
                                                        
| 14 | 14 | $json = array();  | 
                                                        
| 15 | 15 |          foreach ($this as $key => $value) { |