| 
                     | 
    ⇢ | 
                                 
                6
             
             | 
    cache() added | 
| 
                     | 
    ⇢ | 
                                 
                5.1158
             
             | 
    cache_path() added | 
| 
                                 6 
             | 
    ↛ | 
                     | 
    application.php ➔ cache() removed | 
| 
                                 5.1158 
             | 
    ↛ | 
                     | 
    application.php ➔ cache_path() removed |