| Conditions | 1 | 
| Paths | 1 | 
| Total Lines | 15 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 0 | ||
| 1 | <?php | ||
| 29 | public function build(Readable $file, RuleInterface $ast) | ||
| 30 |     { | ||
| 31 | $field = new TypeDefinition($ast->getFullName()); | ||
|  | |||
| 32 | $field->in($file, $ast->getOffset()); | ||
| 33 | |||
| 34 | $field->type = Type::FIELD; | ||
| 35 | $field->description = $ast->getDescription(); | ||
| 36 | |||
| 37 | $field->modifiers = $ast->getHintModifiers(); | ||
| 38 | $field->hint = $ast->getHintTypeName(); | ||
| 39 | |||
| 40 | yield from $this->loadArguments($ast, $field); | ||
| 41 | |||
| 42 | return $field; | ||
| 43 | } | ||
| 44 | |||
| 59 | 
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: