| @@ 16-18 (lines=3) @@ | ||
| 13 | { |
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| 14 | $sum = 0; |
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| 15 | ||
| 16 | foreach (array_reverse(str_split($number)) as $pos => $digit) { |
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| 17 | $sum += $digit * ($pos % 2 ? 1 : 3); |
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| 18 | } |
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| 19 | ||
| 20 | return $sum; |
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| 21 | } |
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| @@ 63-65 (lines=3) @@ | ||
| 60 | ||
| 61 | $sum = 0; |
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| 62 | ||
| 63 | foreach (array_reverse(str_split($number)) as $pos => $digit) { |
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| 64 | $sum += $digit * $this->getWeight($pos, 2); |
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| 65 | } |
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| 66 | ||
| 67 | // Calculate check digit from remainder |
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| 68 | return self::$remainderToCheck[11 - $sum % 11]; |
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