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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| 6 | class Order extends Endpoint |
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| 7 | { |
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| 8 | /** |
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| 9 | * @param \DateTimeInterface $dateStart |
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| 10 | * @param \DateTimeInterface $dateEnd |
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| 11 | * @param int|null $orderStateId |
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| 12 | * @return int |
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| 13 | */ |
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| 14 | public function countByModifiedInterval(\DateTimeInterface $dateStart, \DateTimeInterface $dateEnd, int $orderStateId = null) : int |
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| 31 | |||
| 32 | /** |
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| 33 | * @param array|\stdClass $order |
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| 34 | * @return array |
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| 35 | */ |
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| 36 | public function createOrder($order) : array |
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| 40 | |||
| 41 | /** |
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| 42 | * @param \DateTimeInterface $dateStart |
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| 43 | * @param \DateTimeInterface $dateEnd |
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| 44 | * @return array |
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| 45 | */ |
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| 46 | public function getOrders(\DateTimeInterface $dateStart, \DateTimeInterface $dateEnd) : array |
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| 59 | |||
| 60 | /** |
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| 61 | * @param int $orderId |
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| 62 | * @return array |
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| 63 | */ |
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| 64 | public function getOrder(int $orderId) : array |
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| 70 | |||
| 71 | /** |
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| 72 | * Deletes an order |
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| 73 | * |
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| 74 | * @param int $orderId |
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| 75 | * @return bool |
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| 76 | */ |
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| 77 | public function deleteOrder(int $orderId) : bool |
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| 83 | |||
| 84 | /** |
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| 85 | * @param int $orderId |
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| 86 | * @return bool |
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| 87 | */ |
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| 88 | public function completeOrder(int $orderId) : bool |
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| 97 | |||
| 98 | /** |
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| 99 | * @param int $customerNumber |
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| 100 | * @return array |
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| 101 | */ |
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| 102 | public function getOrdersByCustomerNumber(int $customerNumber) : array |
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| 111 | |||
| 112 | /** |
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| 113 | * @param \DateTimeInterface $dateStart |
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| 114 | * @param \DateTimeInterface $dateEnd |
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| 115 | * @param int $page |
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| 116 | * @param int $pageSize |
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| 117 | * @param int|null $orderStateId |
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| 118 | * @return array |
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| 119 | */ |
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| 120 | public function getOrdersInModifiedInterval(\DateTimeInterface $dateStart, \DateTimeInterface $dateEnd, int $page = 1, int $pageSize = 100, int $orderStateId = null) : array |
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| 141 | |||
| 142 | /** |
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| 143 | * @return array |
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| 144 | */ |
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| 145 | public function getOrderStates() : array |
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| 149 | |||
| 150 | /** |
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| 151 | * @param int $orderId |
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| 152 | * @param string $comment |
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| 153 | * @return bool |
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| 154 | */ |
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| 155 | View Code Duplication | public function setOrderComment(int $orderId, string $comment) : bool |
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| 169 | |||
| 170 | /** |
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| 171 | * @param int $orderId |
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| 172 | * @param int $orderState |
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| 173 | * @return bool |
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| 174 | */ |
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| 175 | View Code Duplication | public function setOrderState(int $orderId, int $orderState) : bool |
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| 185 | |||
| 186 | /** |
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| 187 | * @param int $orderId |
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| 188 | * @param string $trackingNumber |
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| 189 | * @return bool |
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| 190 | */ |
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| 191 | View Code Duplication | public function setTrackNumber(int $orderId, string $trackingNumber) : bool |
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| 205 | |||
| 206 | /****************** |
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| 207 | * Helper methods * |
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| 208 | *****************/ |
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| 209 | /** |
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| 210 | * Will copy an order based on the order id |
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| 211 | * If the $orderLines is empty, it will also copy the order lines |
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| 212 | * If the $orderState is > 0, the method will update the order state |
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| 213 | * If $completeOrder is true, the method will also complete the order, otherwise it will be marked as incomplete by default |
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| 214 | * Returns the new order |
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| 215 | * |
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| 216 | * @param int $orderId |
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| 217 | * @param array $orderLines |
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| 218 | * @param int $orderState |
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| 219 | * @param boolean $completeOrder |
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| 220 | * @return array |
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| 221 | */ |
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| 222 | public function copyOrder(int $orderId, array $orderLines = [], int $orderState = 0, bool $completeOrder = true) : array |
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| 255 | } |
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| 256 |
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
integervalues, zero is a special case, in particular the following results might be unexpected: