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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| 9 | trait ApiSetTrait |
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| 10 | { |
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| 11 | /** |
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| 12 | * @param Request $request |
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| 13 | * @return mixed |
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| 14 | */ |
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| 15 | abstract function dispatch(Request $request); |
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| 16 | |||
| 17 | /** |
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| 18 | * @override |
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| 19 | * @inheritDoc |
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| 20 | */ |
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| 21 | public function sScan($key, $cursor, array $options = []) |
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| 30 | |||
| 31 | /** |
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| 32 | * @override |
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| 33 | * @inheritDoc |
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| 34 | */ |
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| 35 | public function sInter(...$keys) |
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| 43 | |||
| 44 | /** |
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| 45 | * @override |
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| 46 | * @inheritDoc |
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| 47 | */ |
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| 48 | public function sInterStore($dst, ...$keys) |
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| 57 | |||
| 58 | /** |
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| 59 | * @override |
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| 60 | * @inheritDoc |
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| 61 | */ |
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| 62 | public function sIsMember($key, $member) |
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| 70 | |||
| 71 | /** |
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| 72 | * @override |
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| 73 | * @inheritDoc |
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| 74 | */ |
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| 75 | public function sLowLog($command, array $args = []) |
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| 83 | |||
| 84 | /** |
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| 85 | * @override |
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| 86 | * @inheritDoc |
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| 87 | */ |
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| 88 | View Code Duplication | public function sMembers($key) |
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| 96 | |||
| 97 | /** |
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| 98 | * @override |
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| 99 | * @inheritDoc |
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| 100 | */ |
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| 101 | public function sMove($src, $dst, $members) |
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| 110 | |||
| 111 | /** |
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| 112 | * @override |
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| 113 | * @inheritDoc |
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| 114 | */ |
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| 115 | View Code Duplication | public function sPop($key, $count) |
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| 123 | |||
| 124 | /** |
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| 125 | * @override |
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| 126 | * @inheritDoc |
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| 127 | */ |
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| 128 | View Code Duplication | public function sRandMember($key, $count) |
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| 136 | |||
| 137 | /** |
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| 138 | * @override |
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| 139 | * @inheritDoc |
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| 140 | */ |
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| 141 | public function sRem($key, ...$members) |
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| 150 | |||
| 151 | /** |
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| 152 | * @override |
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| 153 | * @inheritDoc |
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| 154 | */ |
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| 155 | public function sUnion(...$keys) |
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| 163 | |||
| 164 | /** |
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| 165 | * @override |
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| 166 | * @inheritDoc |
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| 167 | */ |
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| 168 | public function sUnionStore($dst, ...$keys) |
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| 177 | |||
| 178 | /** |
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| 179 | * @override |
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| 180 | * @inheritDoc |
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| 181 | */ |
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| 182 | public function sWapBb($opt, $dst, ...$keys) |
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| 191 | |||
| 192 | /** |
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| 193 | * @override |
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| 194 | * @inheritDoc |
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| 195 | */ |
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| 196 | public function sAdd($key, ...$members) |
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| 205 | |||
| 206 | /** |
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| 207 | * @override |
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| 208 | * @inheritDoc |
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| 209 | */ |
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| 210 | View Code Duplication | public function sCard($key) |
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| 218 | |||
| 219 | /** |
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| 220 | * @override |
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| 221 | * @inheritDoc |
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| 222 | */ |
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| 223 | public function sDiff(...$keys) |
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| 231 | |||
| 232 | /** |
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| 233 | * @override |
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| 234 | * @inheritDoc |
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| 235 | */ |
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| 236 | public function sDiffStore($dst, ...$keys) |
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| 245 | } |
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| 246 |
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.