| Total Complexity | 15 | 
| Dependencies | 2 | 
| Dependents | 2 | 
| Total lines | 112 | 
| Lines of code | 55 | 
| Logical lines of code | 31 | 
| Comment lines | 40 | 
| Methods | 4 | 
| Properties | 1 | 
| Method | Rating | Maintainability | Complexity | Lines of code | 
|---|---|---|---|---|
| check_lp_db_need_upgrade() | 53 | 7 | 22 | |
| load_file_version_upgrade_db() | 58 | 5 | 16 | |
| instance() | 70 | 2 | 7 | |
| __construct() | 65 | 1 | 10 |