| @@ 267-280 (lines=14) @@ | ||
| 264 | /** |
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| 265 | * {@inheritDoc} |
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| 266 | */ |
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| 267 | protected function deleteBeginning() { |
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| 268 | // if only there is an element |
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| 269 | if($this->head->next === $this->head) { |
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| 270 | $temp = $this->head; |
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| 271 | $this->head = null; |
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| 272 | return $temp->data; |
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| 273 | } |
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| 274 | ||
| 275 | $temp = $this->head; |
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| 276 | $this->head = &$this->head->next; |
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| 277 | $this->tail->next = &$this->head; |
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| 278 | ||
| 279 | return $temp->data; |
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| 280 | } |
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| 281 | ||
| 282 | /** |
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| 283 | * {@inheritDoc} |
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| @@ 269-281 (lines=13) @@ | ||
| 266 | * |
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| 267 | * @return mixed the data stored in the node. |
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| 268 | */ |
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| 269 | protected function deleteBeginning() { |
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| 270 | // if only there is an element |
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| 271 | if($this->head->next === $this->head) { |
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| 272 | $temp = $this->head; |
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| 273 | $this->head = null; |
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| 274 | } else { |
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| 275 | $temp = $this->head; |
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| 276 | $this->head = &$this->head->next; |
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| 277 | $this->tail->next = &$this->head; |
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| 278 | ||
| 279 | } |
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| 280 | return $temp->data; |
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| 281 | } |
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| 282 | ||
| 283 | /** |
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| 284 | * Deletes at the specified position and returns the data stored. |
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