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psalm/docs/running_psalm/issues/PossiblyInvalidOperand.md

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2020-03-19 17:32:49 +01:00
# PossiblyInvalidOperand
Emitted when using a possibly invalid value as part of an operation (e.g. `+`, `.`, `^` etc.
```php
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<?php
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function foo() : void {
$b = rand(0, 1) ? [] : 4;
echo $b + 5;
}
```