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psalm/docs/running_psalm/issues/NoInterfaceProperties.md

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2020-03-19 17:32:49 +01:00
# NoInterfaceProperties
Emitted when trying to fetch a property on an interface as interfaces, by definition, do not have definitions for properties.
```php
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<?php
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interface I {}
class A implements I {
/** @var ?string */
public $foo;
}
function bar(I $i) : void {
if ($i->foo) {}
}
```