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psalm/docs/running_psalm/issues/PossiblyNullOperand.md
2020-03-20 19:13:56 -04:00

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# PossiblyNullOperand
Emitted when using a possibly `null` value as part of an operation (e.g. `+`, `.`, `^` etc.)
```php
<?php
function foo(?int $a) : void {
echo $a + 5;
}
```