| @@ 359-376 (lines=18) @@ | ||
| 356 | * |
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| 357 | * @return mixed the data stored in the node. |
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| 358 | */ |
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| 359 | private function deleteEnd() { |
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| 360 | $prev = $this->head; |
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| 361 | $current = $this->head; |
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| 362 | ||
| 363 | while($current !== $this->tail) { |
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| 364 | $prev = $current; |
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| 365 | $current = $current->next; |
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| 366 | } |
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| 367 | ||
| 368 | $temp = $current; |
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| 369 | $prev->next = &$this->head; |
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| 370 | $this->tail = &$prev; |
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| 371 | $current = null; |
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| 372 | ||
| 373 | $this->size--; |
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| 374 | ||
| 375 | return $temp->data; |
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| 376 | } |
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| 377 | ||
| 378 | /** |
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| 379 | * Deletes the first node of the list and returns it. |
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| @@ 376-394 (lines=19) @@ | ||
| 373 | * |
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| 374 | * @return mixed the data stored in the node. |
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| 375 | */ |
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| 376 | private function deleteEnd() { |
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| 377 | $prev = $this->head; |
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| 378 | $current = $this->head; |
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| 379 | ||
| 380 | while($current !== $this->tail) { |
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| 381 | $prev = $current; |
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| 382 | $current = $current->next; |
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| 383 | } |
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| 384 | ||
| 385 | $temp = $current; |
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| 386 | $prev->next = &$this->head; |
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| 387 | $this->head->prev = &$prev; |
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| 388 | $this->tail = &$prev; |
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| 389 | $current = null; |
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| 390 | ||
| 391 | $this->size--; |
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| 392 | ||
| 393 | return $temp->data; |
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| 394 | } |
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| 395 | ||
| 396 | /** |
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| 397 | * Deletes the first node of the list and returns it. |
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