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

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# PossiblyInvalidIterator
Emitted when trying to iterate over a value that may be invalid
```php
<?php
$arr = rand(0, 1) ? [1, 2, 3] : "hello";
foreach ($arr as $a) {}
```