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Avoid unused parameters such as '$rate'. Open
Open
->keyBy(function (float $rate, string $currencyIso) : string {- Read upRead up
- Exclude checks
UnusedFormalParameter
Since: 0.2
Avoid passing parameters to methods or constructors and then not using those parameters.
Example
class Foo
{
private function bar($howdy)
{
// $howdy is not used
}
}