graze /
data-node
| @@ 72-85 (lines=14) @@ | ||
| 69 | /** |
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| 70 | * @inheritdoc |
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| 71 | */ |
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| 72 | public function first(callable $fn = null, $default = null) |
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| 73 | { |
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| 74 | if (is_null($fn)) { |
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| 75 | return count($this->items) > 0 ? reset($this->items) : $default; |
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| 76 | } |
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| 77 | ||
| 78 | foreach ($this->getIterator() as $value) { |
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| 79 | if (call_user_func($fn, $value)) { |
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| 80 | return $value; |
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| 81 | } |
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| 82 | } |
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| 83 | ||
| 84 | return $default; |
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| 85 | } |
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| 86 | ||
| 87 | /** |
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| 88 | * @inheritdoc |
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| @@ 90-103 (lines=14) @@ | ||
| 87 | /** |
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| 88 | * @inheritdoc |
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| 89 | */ |
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| 90 | public function last(callable $fn = null, $default = null) |
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| 91 | { |
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| 92 | if (is_null($fn)) { |
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| 93 | return count($this->items) > 0 ? end($this->items) : $default; |
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| 94 | } |
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| 95 | ||
| 96 | foreach (array_reverse($this->items) as $value) { |
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| 97 | if (call_user_func($fn, $value)) { |
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| 98 | return $value; |
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| 99 | } |
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| 100 | } |
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| 101 | ||
| 102 | return $default; |
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| 103 | } |
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| 104 | } |
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| 105 | ||
