| @@ 234-250 (lines=17) @@ | ||
| 231 | * |
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| 232 | * @return null if the head is null (or list is empty) |
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| 233 | */ |
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| 234 | public function getAll() { |
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| 235 | if($this->head === null) { |
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| 236 | return; |
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| 237 | } |
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| 238 | ||
| 239 | if($this->head === $this->tail) { |
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| 240 | yield $this->head->data; |
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| 241 | } else { |
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| 242 | $current = $this->head; |
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| 243 | $i = 0; |
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| 244 | while($i < $this->size) { |
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| 245 | yield $current->data; |
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| 246 | $current = $current->next; |
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| 247 | $i++; |
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| 248 | } |
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| 249 | } |
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| 250 | } |
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| 251 | ||
| 252 | /** |
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| 253 | * Inserts data in the specified position. |
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| @@ 295-311 (lines=17) @@ | ||
| 292 | * |
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| 293 | * @return null if the head is null (or list is empty) |
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| 294 | */ |
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| 295 | public function getAll() { |
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| 296 | if($this->head === null) { |
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| 297 | return; |
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| 298 | } |
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| 299 | ||
| 300 | if($this->head->next === $this->tail) { |
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| 301 | yield $this->head->data; |
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| 302 | } else { |
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| 303 | $current = $this->head; |
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| 304 | $i = 0; |
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| 305 | while($i < $this->size) { |
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| 306 | yield $current->data; |
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| 307 | $current = $current->next; |
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| 308 | $i++; |
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| 309 | } |
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| 310 | } |
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| 311 | } |
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| 312 | ||
| 313 | /** |
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| 314 | * Delete a node in the given position and returns it back. |
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