| 1 | <?php |
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| 8 | class Collection |
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| 9 | { |
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| 10 | private $ls; |
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| 11 | |||
| 12 | /** |
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| 13 | * @param array $ls |
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| 14 | */ |
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| 15 | public function __construct($ls) |
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| 19 | |||
| 20 | /** |
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| 21 | * @param \Closure $fn |
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| 22 | * |
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| 23 | * @return Collection |
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| 24 | */ |
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| 25 | public function filter($fn) |
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| 29 | |||
| 30 | /** |
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| 31 | * @param \Closure $fn |
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| 32 | * |
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| 33 | * @return Collection |
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| 34 | */ |
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| 35 | public function map($fn) |
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| 39 | |||
| 40 | /** |
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| 41 | * @param \Closure $fn |
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| 42 | * |
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| 43 | * @return mixed |
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| 44 | */ |
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| 45 | public function reduce($fn) |
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| 49 | } |
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| 50 |