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 |
||
| 21 | class Installer extends AbstractInstaller |
||
| 22 | { |
||
| 23 | /** |
||
| 24 | * {@inheritdoc} |
||
| 25 | */ |
||
| 26 | protected $name = 'install:dotenv'; |
||
| 27 | |||
| 28 | /** |
||
| 29 | * {@inheritdoc} |
||
| 30 | */ |
||
| 31 | protected $description = 'Installs vlucas/phpdotenv'; |
||
| 32 | |||
| 33 | /** |
||
| 34 | * {@inheritdoc} |
||
| 35 | */ |
||
| 36 | 2 | public function install(): void |
|
| 76 | } |
||
| 77 |
If you implement
__calland you know which methods are available, you can improve IDE auto-completion and static analysis by adding a @method annotation to the class.This is often the case, when
__callis implemented by a parent class and only the child class knows which methods exist: