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<?php | |
interface Identity { | |
public function getID(): string; | |
} | |
class User implements Identity { | |
public function getID(): string { | |
return "3a85dea1-061a-4296-9fe5-514ade8ee969"; | |
} | |
} | |
interface Repository { | |
public function save(Identity $item); | |
} | |
class UserRepository implements Repository { | |
public function save($item) { # Fatal error: Declaration of UserRepository::save($item) must be compatible with Repository::save(Identity $item) in - on line 17 | |
// ... | |
} | |
} | |
$user = new User(); | |
$repo = new UserRepository(); | |
$repo->save(new stdClass()); |
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