@@ 243-253 (lines=11) @@ | ||
240 | * @return $this |
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241 | * @throws \InvalidArgumentException |
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242 | */ |
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243 | public function increment($step = 1) |
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244 | { |
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245 | if (is_int($step)) { |
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246 | $this->fetched = true; |
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247 | $this->data += $step; |
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248 | } else { |
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249 | throw new \InvalidArgumentException('$step must be numeric.'); |
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250 | } |
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251 | ||
252 | return $this; |
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253 | } |
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254 | ||
255 | /** |
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256 | * @param int $step |
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@@ 260-270 (lines=11) @@ | ||
257 | * @return $this |
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258 | * @throws \InvalidArgumentException |
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259 | */ |
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260 | public function decrement($step = 1) |
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261 | { |
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262 | if (is_int($step)) { |
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263 | $this->fetched = true; |
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264 | $this->data -= $step; |
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265 | } else { |
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266 | throw new \InvalidArgumentException('$step must be numeric.'); |
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267 | } |
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268 | ||
269 | return $this; |
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270 | } |
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271 | ||
272 | /** |
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273 | * @param array|string $data |