| 1 | <?php | ||
| 23 | class ArgumentBuilder extends Builder | ||
| 24 | { | ||
| 25 | /** | ||
| 26 | * @param RuleInterface|ArgumentDefinitionNode $rule | ||
| 27 | * @param Definition|Definition\TypeDefinition $parent | ||
| 28 | * @return Definition | ||
| 29 | * @throws \Railt\Io\Exception\ExternalFileException | ||
| 30 | */ | ||
| 31 | public function build(RuleInterface $rule, Definition $parent): Definition | ||
| 46 | } | ||
| 47 | 
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: