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

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