1 | <?php |
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8 | class UserRequest extends FormRequest |
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9 | { |
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10 | |||
11 | /** |
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12 | * Get the validation rules that apply to the request. |
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13 | * |
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14 | * @return array |
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15 | */ |
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16 | public function rules() |
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49 | |||
50 | /** |
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51 | * Determine if the user is authorized to make this request. |
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52 | * |
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53 | * @return bool |
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54 | */ |
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55 | public function authorize() |
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59 | |||
60 | } |
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61 |
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: