php-ds /
polyfill
| @@ 164-174 (lines=11) @@ | ||
| 161 | /** |
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| 162 | * @inheritDoc |
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| 163 | */ |
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| 164 | public function pop() |
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| 165 | { |
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| 166 | if ($this->isEmpty()) { |
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| 167 | throw new UnderflowException(); |
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| 168 | } |
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| 169 | ||
| 170 | $value = array_pop($this->internal); |
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| 171 | $this->adjustCapacity(); |
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| 172 | ||
| 173 | return $value; |
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| 174 | } |
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| 175 | ||
| 176 | /** |
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| 177 | * @inheritDoc |
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| @@ 261-271 (lines=11) @@ | ||
| 258 | /** |
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| 259 | * @inheritDoc |
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| 260 | */ |
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| 261 | public function shift() |
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| 262 | { |
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| 263 | if ($this->isEmpty()) { |
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| 264 | throw new UnderflowException(); |
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| 265 | } |
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| 266 | ||
| 267 | $value = array_shift($this->internal); |
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| 268 | $this->adjustCapacity(); |
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| 269 | ||
| 270 | return $value; |
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| 271 | } |
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| 272 | ||
| 273 | /** |
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| 274 | * @inheritDoc |
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