@@ 163-173 (lines=11) @@ | ||
160 | /** |
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161 | * @inheritDoc |
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162 | */ |
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163 | public function pop() |
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164 | { |
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165 | if ($this->isEmpty()) { |
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166 | throw new UnderflowException(); |
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167 | } |
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168 | ||
169 | $value = array_pop($this->internal); |
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170 | $this->adjustCapacity(); |
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171 | ||
172 | return $value; |
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173 | } |
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174 | ||
175 | /** |
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176 | * @inheritDoc |
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@@ 269-279 (lines=11) @@ | ||
266 | /** |
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267 | * @inheritDoc |
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268 | */ |
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269 | public function shift() |
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270 | { |
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271 | if ($this->isEmpty()) { |
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272 | throw new UnderflowException(); |
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273 | } |
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274 | ||
275 | $value = array_shift($this->internal); |
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276 | $this->adjustCapacity(); |
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277 | ||
278 | return $value; |
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279 | } |
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280 | ||
281 | /** |
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282 | * @inheritDoc |