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<?php |
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namespace talismanfr\psbbank\shared; |
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use InvalidArgumentException; |
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class InnValue |
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{ |
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/** @var string */ |
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private $inn; |
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public function __construct(string $inn) |
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{ |
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$this->setInn($inn); |
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} |
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/** |
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* @return string |
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*/ |
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public function getInn(): string |
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{ |
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return $this->inn; |
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} |
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/** |
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* @param string $inn |
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*/ |
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private function setInn(string $inn): void |
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{ |
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if ($this->isValid($inn)) { |
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$this->inn = $inn; |
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} else { |
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throw new InvalidArgumentException('INN not valid'); |
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} |
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} |
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/** |
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* |
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* @param string $inn 10-ти или 12-ти значное целое число |
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* @return bool TRUE, если ИНН корректен и FALSE в противном случае |
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*/ |
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private function isValid(string $inn): bool |
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{ |
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if (preg_match('/[^0-9]/', $inn)) { |
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return false; //'ИНН может состоять только из цифр'; |
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} |
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if (!in_array($inn_length = strlen($inn), [10, 12])) { |
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return false;// 'ИНН может состоять только из 10 или 12 цифр'; |
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} |
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switch ($inn_length) { |
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case 10: |
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$n10 = $this->checkDigit($inn, [2, 4, 10, 3, 5, 9, 4, 6, 8]); |
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if ($n10 === (int)$inn{9}) { |
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return true; |
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} |
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break; |
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case 12: |
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$n11 = $this->checkDigit($inn, [7, 2, 4, 10, 3, 5, 9, 4, 6, 8]); |
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$n12 = $this->checkDigit($inn, [3, 7, 2, 4, 10, 3, 5, 9, 4, 6, 8]); |
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if (($n11 === (int)$inn{10}) && ($n12 === (int)$inn{11})) { |
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return true; |
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} |
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break; |
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} |
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return false; |
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} |
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/** |
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* @param string $inn |
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* @param array $coefficients |
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* @return bool |
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*/ |
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private function checkDigit(string $inn, array $coefficients): int |
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{ |
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$n = 0; |
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foreach ($coefficients as $i => $k) { |
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$n += $k * (int)$inn{$i}; |
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} |
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return $n % 11 % 10; |
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} |
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public function __toString() |
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{ |
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return $this->getInn(); |
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} |
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92
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} |
TalismanFR /
psb-api
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