@@ 256-266 (lines=11) @@ | ||
253 | * @return $this |
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254 | * @throws \InvalidArgumentException |
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255 | */ |
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256 | public function increment($step = 1) |
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257 | { |
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258 | if (is_int($step)) { |
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259 | $this->fetched = true; |
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260 | $this->data += $step; |
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261 | } else { |
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262 | throw new \InvalidArgumentException('$step must be numeric.'); |
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263 | } |
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264 | ||
265 | return $this; |
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266 | } |
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267 | ||
268 | /** |
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269 | * @param int $step |
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@@ 273-283 (lines=11) @@ | ||
270 | * @return $this |
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271 | * @throws \InvalidArgumentException |
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272 | */ |
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273 | public function decrement($step = 1) |
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274 | { |
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275 | if (is_int($step)) { |
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276 | $this->fetched = true; |
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277 | $this->data -= $step; |
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278 | } else { |
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279 | throw new \InvalidArgumentException('$step must be numeric.'); |
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280 | } |
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281 | ||
282 | return $this; |
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283 | } |
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284 | ||
285 | /** |
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286 | * @param array|string $data |