| @@ 146-156 (lines=11) @@ | ||
| 143 | * @return $this |
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| 144 | * @throws \InvalidArgumentException |
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| 145 | */ |
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| 146 | public function increment($step = 1) |
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| 147 | { |
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| 148 | if (is_int($step)) { |
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| 149 | $this->fetched = true; |
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| 150 | $this->data += $step; |
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| 151 | } else { |
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| 152 | throw new \InvalidArgumentException('$step must be numeric.'); |
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| 153 | } |
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| 154 | ||
| 155 | return $this; |
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| 156 | } |
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| 157 | ||
| 158 | /** |
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| 159 | * @param int $step |
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| @@ 163-173 (lines=11) @@ | ||
| 160 | * @return $this |
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| 161 | * @throws \InvalidArgumentException |
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| 162 | */ |
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| 163 | public function decrement($step = 1) |
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| 164 | { |
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| 165 | if (is_int($step)) { |
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| 166 | $this->fetched = true; |
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| 167 | $this->data -= $step; |
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| 168 | } else { |
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| 169 | throw new \InvalidArgumentException('$step must be numeric.'); |
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| 170 | } |
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| 171 | ||
| 172 | return $this; |
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| 173 | } |
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| 174 | ||
| 175 | /** |
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| 176 | * @param array|string $data |
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