| @@ 236-246 (lines=11) @@ | ||
| 233 | * @return $this |
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| 234 | * @throws \InvalidArgumentException |
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| 235 | */ |
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| 236 | public function increment($step = 1) |
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| 237 | { |
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| 238 | if (is_int($step)) { |
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| 239 | $this->fetched = true; |
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| 240 | $this->data += $step; |
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| 241 | } else { |
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| 242 | throw new \InvalidArgumentException('$step must be numeric.'); |
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| 243 | } |
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| 244 | ||
| 245 | return $this; |
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| 246 | } |
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| 247 | ||
| 248 | /** |
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| 249 | * @param int $step |
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| @@ 253-263 (lines=11) @@ | ||
| 250 | * @return $this |
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| 251 | * @throws \InvalidArgumentException |
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| 252 | */ |
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| 253 | public function decrement($step = 1) |
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| 254 | { |
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| 255 | if (is_int($step)) { |
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| 256 | $this->fetched = true; |
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| 257 | $this->data -= $step; |
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| 258 | } else { |
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| 259 | throw new \InvalidArgumentException('$step must be numeric.'); |
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| 260 | } |
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| 261 | ||
| 262 | return $this; |
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| 263 | } |
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| 264 | ||
| 265 | /** |
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| 266 | * @param array|string $data |
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