| @@ 327-344 (lines=18) @@ | ||
| 324 | * |
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| 325 | * @return mixed the data stored in the node. |
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| 326 | */ |
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| 327 | private function deleteEnd() { |
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| 328 | $prev = $this->head; |
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| 329 | $current = $this->head; |
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| 330 | ||
| 331 | while($current !== $this->tail) { |
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| 332 | $prev = $current; |
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| 333 | $current = $current->next; |
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| 334 | } |
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| 335 | ||
| 336 | $temp = $current; |
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| 337 | $prev->next = &$this->head; |
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| 338 | $this->tail = &$prev; |
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| 339 | $current = null; |
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| 340 | ||
| 341 | $this->size--; |
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| 342 | ||
| 343 | return $temp->data; |
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| 344 | } |
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| 345 | ||
| 346 | /** |
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| 347 | * Deletes the first node of the list and returns it. |
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| @@ 354-372 (lines=19) @@ | ||
| 351 | * |
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| 352 | * @return mixed the data stored in the node. |
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| 353 | */ |
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| 354 | private function deleteEnd() { |
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| 355 | $prev = $this->head; |
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| 356 | $current = $this->head; |
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| 357 | ||
| 358 | while($current !== $this->tail) { |
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| 359 | $prev = $current; |
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| 360 | $current = $current->next; |
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| 361 | } |
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| 362 | ||
| 363 | $temp = $current; |
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| 364 | $prev->next = &$this->head; |
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| 365 | $this->head->prev = &$prev; |
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| 366 | $this->tail = &$prev; |
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| 367 | $current = null; |
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| 368 | ||
| 369 | $this->size--; |
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| 370 | ||
| 371 | return $temp->data; |
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| 372 | } |
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| 373 | ||
| 374 | /** |
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| 375 | * Deletes the first node of the list and returns it. |
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