mirror of
https://github.com/danog/psalm.git
synced 2024-12-05 21:19:03 +01:00
27 lines
378 B
Markdown
27 lines
378 B
Markdown
# ImpureMethodCall
|
|
|
|
Emitted when calling an impure method from a function or method marked as pure.
|
|
|
|
```php
|
|
<?php
|
|
|
|
class A {
|
|
public int $a = 5;
|
|
|
|
public function foo() : void {
|
|
$this->a++;
|
|
}
|
|
}
|
|
|
|
/** @psalm-pure */
|
|
function filterOdd(int $i, A $a) : ?int {
|
|
$a->foo();
|
|
|
|
if ($i % 2 === 0 || $a->a === 2) {
|
|
return $i;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
```
|