Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
||
| 9 | class CreateRequest extends FormRequest |
||
| 10 | { |
||
| 11 | private $primaryRules = [ |
||
| 12 | 'title' => 'required|string', |
||
| 13 | 'testimony' => 'required|string', |
||
| 14 | ]; |
||
| 15 | |||
| 16 | /** |
||
| 17 | * Gets the rules for a ministry with a premium subscription. |
||
| 18 | * |
||
| 19 | * @return array an set of premium attributes |
||
| 20 | */ |
||
| 21 | private function getPremiumRules(): array |
||
| 28 | |||
| 29 | /** |
||
| 30 | * Gets the rules for a ministry with a premuim+ subscription. |
||
| 31 | * |
||
| 32 | * @return array |
||
| 33 | */ |
||
| 34 | private function getPremiumPlusRules(): array |
||
| 41 | |||
| 42 | /** |
||
| 43 | * Determine if the user is authorized to make this request. |
||
| 44 | * |
||
| 45 | * @return bool |
||
| 46 | */ |
||
| 47 | public function authorize() |
||
| 56 | |||
| 57 | /** |
||
| 58 | * Get the validation rules that apply to the request. |
||
| 59 | * |
||
| 60 | * @return array |
||
| 61 | */ |
||
| 62 | View Code Duplication | public function rules() |
|
| 74 | |||
| 75 | public function failedAuthorization() |
||
| 79 | |||
| 80 | /** |
||
| 81 | * Converts image string array to usable string in the validation. |
||
| 82 | * |
||
| 83 | * @return void |
||
| 84 | */ |
||
| 85 | public function prepareForValidation() |
||
| 93 | } |
||
| 94 |
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: