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

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# PossiblyUndefinedGlobalVariable
Emitted when trying to access a variable in the global scope that may not be defined
```php
<?php
if (rand(0, 1)) {
$a = 5;
}
echo $a;
```