| Conditions | 3 | 
| Paths | 3 | 
| Total Lines | 13 | 
| Code Lines | 8 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 0 | ||
| 1 | <?php | ||
| 37 | public function getPermissions(UserPermissionInterface $user = null) : array | ||
| 38 |     { | ||
| 39 | $cacheID = $this->cachePrefix.$user->getId(); | ||
|  | |||
| 40 | $permissions = $this->cacheHelper->get($cacheID); | ||
| 41 |         if ($permissions === null) { | ||
| 42 | $permissions = $this->getUserPermissions($user); | ||
| 43 |             if ( $permissions !== [] ){ | ||
| 44 | $this->cacheHelper->save($cacheID, $permissions); | ||
| 45 | } | ||
| 46 | } | ||
| 47 | |||
| 48 | return $permissions; | ||
| 49 | } | ||
| 50 | |||
| 59 | } | 
If a variable is not always an object, we recommend to add an additional type check to ensure your method call is safe: