php-ds /
polyfill
| @@ 171-181 (lines=11) @@ | ||
| 168 | /** |
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| 169 | * @inheritDoc |
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| 170 | */ |
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| 171 | public function pop() |
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| 172 | { |
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| 173 | if ($this->isEmpty()) { |
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| 174 | throw new UnderflowException(); |
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| 175 | } |
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| 176 | ||
| 177 | $value = array_pop($this->internal); |
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| 178 | $this->adjustCapacity(); |
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| 179 | ||
| 180 | return $value; |
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| 181 | } |
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| 182 | ||
| 183 | /** |
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| 184 | * @inheritDoc |
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| @@ 287-297 (lines=11) @@ | ||
| 284 | /** |
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| 285 | * @inheritDoc |
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| 286 | */ |
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| 287 | public function shift() |
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| 288 | { |
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| 289 | if ($this->isEmpty()) { |
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| 290 | throw new UnderflowException(); |
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| 291 | } |
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| 292 | ||
| 293 | $value = array_shift($this->internal); |
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| 294 | $this->adjustCapacity(); |
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| 295 | ||
| 296 | return $value; |
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| 297 | } |
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| 298 | ||
| 299 | /** |
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| 300 | * @inheritDoc |
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