| Total Complexity | 22 | 
| Dependencies | 0 | 
| Dependents | 1 | 
| Total lines | 84 | 
| Lines of code | 66 | 
| Logical lines of code | 49 | 
| Comment lines | 0 | 
| Methods | 6 | 
| Properties | 6 | 
| Method | Rating | Maintainability | Complexity | Lines of code | 
|---|---|---|---|---|
| get_keys() | 52 | 9 | 25 | |
| feedback() | 56 | 5 | 18 | |
| error() | 58 | 5 | 15 | |
| __construct() | 71 | 1 | 6 | |
| header() | 100 | 1 | 1 | |
| footer() | 100 | 1 | 1 |