| @@ 10-17 (lines=8) @@ | ||
| 7 | /** |
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| 8 | * @return null|AbstractNode |
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| 9 | */ |
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| 10 | public function previousSibling() |
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| 11 | { |
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| 12 | if (null === $parent = $this->parent) { |
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| 13 | return null; |
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| 14 | } |
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| 15 | ||
| 16 | return $this->getSibling($parent->getNodes(), -1); |
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| 17 | } |
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| 18 | ||
| 19 | /** |
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| 20 | * @return null|AbstractNode |
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| @@ 22-29 (lines=8) @@ | ||
| 19 | /** |
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| 20 | * @return null|AbstractNode |
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| 21 | */ |
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| 22 | public function nextSibling() |
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| 23 | { |
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| 24 | if (null === $parent = $this->parent) { |
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| 25 | return null; |
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| 26 | } |
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| 27 | ||
| 28 | return $this->getSibling($parent->getNodes(), 1); |
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| 29 | } |
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| 30 | } |
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| 31 | ||