graze /
data-node
| @@ 83-96 (lines=14) @@ | ||
| 80 | /** |
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| 81 | * @inheritdoc |
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| 82 | */ |
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| 83 | public function first(callable $fn = null, $default = null) |
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| 84 | { |
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| 85 | if (is_null($fn)) { |
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| 86 | return count($this->items) > 0 ? reset($this->items) : $default; |
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| 87 | } |
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| 88 | ||
| 89 | foreach ($this->getIterator() as $value) { |
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| 90 | if (call_user_func($fn, $value)) { |
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| 91 | return $value; |
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| 92 | } |
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| 93 | } |
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| 94 | ||
| 95 | return $default; |
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| 96 | } |
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| 97 | ||
| 98 | /** |
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| 99 | * @inheritdoc |
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| @@ 101-114 (lines=14) @@ | ||
| 98 | /** |
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| 99 | * @inheritdoc |
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| 100 | */ |
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| 101 | public function last(callable $fn = null, $default = null) |
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| 102 | { |
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| 103 | if (is_null($fn)) { |
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| 104 | return count($this->items) > 0 ? end($this->items) : $default; |
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| 105 | } |
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| 106 | ||
| 107 | foreach (array_reverse($this->items) as $value) { |
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| 108 | if (call_user_func($fn, $value)) { |
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| 109 | return $value; |
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| 110 | } |
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| 111 | } |
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| 112 | ||
| 113 | return $default; |
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| 114 | } |
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| 115 | } |
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| 116 | ||
