SiroDiaz /
DataStructures
| @@ 341-367 (lines=27) @@ | ||
| 338 | * @throws OutOfBoundsException if index is negative |
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| 339 | * or is greater than the size of the list. |
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| 340 | */ |
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| 341 | public function delete($index) { |
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| 342 | if($index < 0 || ($index > 0 && $index > $this->size - 1)) { |
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| 343 | throw new OutOfBoundsException(); |
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| 344 | } |
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| 345 | ||
| 346 | // if the list is empty |
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| 347 | if($this->head === null) { |
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| 348 | return null; |
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| 349 | } |
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| 350 | ||
| 351 | // if only there is an element |
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| 352 | if($this->head->next === $this->head) { |
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| 353 | $temp = $this->head; |
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| 354 | $this->head = null; |
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| 355 | $this->size--; |
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| 356 | ||
| 357 | return $temp->data; |
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| 358 | } |
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| 359 | ||
| 360 | if($index === 0) { |
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| 361 | return $this->deleteBeginning(); |
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| 362 | } else if($index === $this->size - 1) { |
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| 363 | return $this->deleteEnd(); |
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| 364 | } else { |
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| 365 | return $this->deleteAt($index); |
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| 366 | } |
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| 367 | } |
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| 368 | ||
| 369 | /** |
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| 370 | * Deletes at the beginnig of the list and returns the data stored. |
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| @@ 359-385 (lines=27) @@ | ||
| 356 | * @throws OutOfBoundsException if index is negative |
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| 357 | * or is greater than the size of the list. |
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| 358 | */ |
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| 359 | public function delete($index) { |
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| 360 | if($index < 0 || ($index > 0 && $index > $this->size - 1)) { |
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| 361 | throw new OutOfBoundsException(); |
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| 362 | } |
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| 363 | ||
| 364 | // if the list is empty |
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| 365 | if($this->head === null) { |
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| 366 | return null; |
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| 367 | } |
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| 368 | ||
| 369 | // if only there is an element |
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| 370 | if($this->head->next === $this->head) { |
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| 371 | $temp = $this->head; |
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| 372 | $this->head = null; |
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| 373 | $this->size--; |
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| 374 | ||
| 375 | return $temp->data; |
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| 376 | } |
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| 377 | ||
| 378 | if($index === 0) { |
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| 379 | return $this->deleteBeginning(); |
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| 380 | } else if($index === $this->size - 1) { |
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| 381 | return $this->deleteEnd(); |
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| 382 | } else { |
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| 383 | return $this->deleteAt($index); |
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| 384 | } |
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| 385 | } |
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| 386 | ||
| 387 | /** |
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| 388 | * Deletes at the beginnig of the list and returns the data stored. |
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