@@ 302-314 (lines=13) @@ | ||
299 | * |
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300 | * @return mixed the data stored in the node. |
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301 | */ |
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302 | protected function deleteBeginning() { |
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303 | // if only there is an element |
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304 | if($this->head->next === $this->head) { |
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305 | $temp = $this->head; |
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306 | $this->head = null; |
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307 | } else { |
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308 | $temp = $this->head; |
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309 | $this->head = &$this->head->next; |
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310 | $this->tail->next = &$this->head; |
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311 | ||
312 | } |
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313 | return $temp->data; |
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314 | } |
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315 | ||
316 | /** |
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317 | * Deletes at the specified position and returns the data stored. |
@@ 295-308 (lines=14) @@ | ||
292 | /** |
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293 | * {@inheritDoc} |
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294 | */ |
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295 | protected function deleteBeginning() { |
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296 | // if only there is an element |
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297 | if($this->head->next === $this->head) { |
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298 | $temp = $this->head; |
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299 | $this->head = null; |
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300 | return $temp->data; |
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301 | } |
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302 | ||
303 | $temp = $this->head; |
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304 | $this->head = &$this->head->next; |
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305 | $this->tail->next = &$this->head; |
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306 | ||
307 | return $temp->data; |
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308 | } |
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309 | ||
310 | /** |
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311 | * {@inheritDoc} |