Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 10 | class AddLotMiddleware |
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| 11 | { |
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| 12 | /** |
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| 13 | * @var Guard |
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| 14 | */ |
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| 15 | protected $auth; |
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| 16 | |||
| 17 | /** |
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| 18 | * @var LotRepository |
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| 19 | */ |
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| 20 | protected $lots; |
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| 21 | |||
| 22 | /** |
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| 23 | * AddLotMiddleware constructor. |
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| 24 | * @param Guard $auth |
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| 25 | * @param LotRepository $lotRepository |
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| 26 | */ |
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| 27 | public function __construct(Guard $auth, LotRepository $lotRepository) |
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| 32 | |||
| 33 | /** |
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| 34 | * Handle an incoming request. |
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| 35 | * |
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| 36 | * @param \Illuminate\Http\Request $request |
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| 37 | * @param \Closure $next |
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| 38 | * @param string|null $guard |
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| 39 | * @return mixed |
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| 40 | */ |
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| 41 | public function handle($request, Closure $next, $guard = null) |
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| 62 | |||
| 63 | private function issetAmount($lot, $requestComision) |
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| 72 | |||
| 73 | private function blockAmount($lot, $tax) |
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| 79 | |||
| 80 | View Code Duplication | public function blockSumm($tax, $amount) |
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| 97 | |||
| 98 | |||
| 99 | /** |
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| 100 | * @param $lot |
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| 101 | * @param $tax |
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| 102 | * @return bool |
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| 103 | */ |
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| 104 | private function eraseFromWallet($lot, $tax) |
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| 119 | /** |
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| 120 | * @param $tax |
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| 121 | * @param $amount |
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| 122 | * @return bool |
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| 123 | */ |
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| 124 | View Code Duplication | public function eraseSummFromWallet($tax, $amount) |
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| 140 | |||
| 141 | /** |
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| 142 | * @param $tax |
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| 143 | * @param $amount |
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| 144 | * @return float|int |
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| 145 | */ |
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| 146 | public function calcEraseSumm($tax, $amount) |
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| 150 | } |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.