1 | <?php |
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17 | class Guard |
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18 | { |
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19 | /** |
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20 | * return collection of (guard_name) property if exist on class or object |
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21 | * otherwise will return collection of guards names that exists in config/auth.php. |
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22 | * |
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23 | * @param $model |
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24 | * |
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25 | * @return Collection |
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26 | * @throws \ReflectionException |
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27 | */ |
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28 | 121 | public static function getNames($model) : Collection |
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51 | |||
52 | /** |
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53 | * Return Default Guard name |
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54 | * |
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55 | * @param $class |
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56 | * |
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57 | * @return string |
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58 | * @throws \ReflectionException |
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59 | */ |
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60 | 121 | public static function getDefaultName($class): string |
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65 | } |
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66 |
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: