| @@ 42-52 (lines=11) @@ | ||
| 39 | /** |
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| 40 | * @inheritDoc |
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| 41 | */ |
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| 42 | public function map(callable $callback) |
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| 43 | { |
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| 44 | $count = count($this); |
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| 45 | $sfa = new SplFixedArray($count); |
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| 46 | ||
| 47 | for ($i = 0; $i < $count; $i++) { |
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| 48 | $sfa[$i] = $callback($this[$i], $i, $this); |
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| 49 | } |
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| 50 | ||
| 51 | return new static($sfa); |
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| 52 | } |
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| 53 | ||
| 54 | /** |
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| 55 | * @inheritDoc |
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| @@ 69-83 (lines=15) @@ | ||
| 66 | /** |
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| 67 | * @inheritDoc |
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| 68 | */ |
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| 69 | public function filter(callable $callback) |
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| 70 | { |
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| 71 | $count = count($this); |
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| 72 | $sfa = new SplFixedArray($count); |
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| 73 | $newCount = 0; |
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| 74 | ||
| 75 | foreach ($this as $elem) { |
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| 76 | if ($callback($elem)) { |
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| 77 | $sfa[$newCount++] = $elem; |
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| 78 | } |
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| 79 | } |
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| 80 | ||
| 81 | $sfa->setSize($newCount); |
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| 82 | return new static($sfa); |
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| 83 | } |
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| 84 | ||
| 85 | /** |
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| 86 | * @inheritDoc |
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