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<?php |
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namespace LeKoala\Tin\Algo; |
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use LeKoala\Tin\Util\StringUtil; |
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/** |
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* Portugal |
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*/ |
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class PTAlgorithm extends TINAlgorithm |
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{ |
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const LENGTH = 9; |
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const PATTERN = "\\d{9}"; |
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public function validate(string $tin) |
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{ |
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if (!$this->isFollowLength($tin)) { |
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return StatusCode::INVALID_LENGTH; |
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} |
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if (!$this->isFollowPattern($tin)) { |
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return StatusCode::INVALID_PATTERN; |
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} |
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if (!$this->isFollowRules($tin)) { |
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return StatusCode::INVALID_SYNTAX; |
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} |
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return StatusCode::VALID; |
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} |
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public function isFollowLength(string $tin) |
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{ |
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return StringUtil::isFollowLength($tin, self::LENGTH); |
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} |
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public function isFollowPattern(string $tin) |
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{ |
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return StringUtil::isFollowPattern($tin, self::PATTERN); |
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} |
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public function isFollowRules(string $tin) |
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{ |
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$c1 = StringUtil::digitAt($tin, 0); |
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$c2 = StringUtil::digitAt($tin, 1); |
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$c3 = StringUtil::digitAt($tin, 2); |
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$c4 = StringUtil::digitAt($tin, 3); |
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$c5 = StringUtil::digitAt($tin, 4); |
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$c6 = StringUtil::digitAt($tin, 5); |
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$c7 = StringUtil::digitAt($tin, 6); |
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$c8 = StringUtil::digitAt($tin, 7); |
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$c9 = StringUtil::digitAt($tin, 8); |
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$sum = $c1 * 9 + $c2 * 8 + $c3 * 7 + $c4 * 6 + $c5 * 5 + $c6 * 4 + $c7 * 3 + $c8 * 2; |
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$remainderBy11 = $sum % 11; |
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$checkDigit = 11 - $remainderBy11; |
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if ($checkDigit <= 9) { |
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return $checkDigit == $c9; |
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} |
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if ($checkDigit == 10) { |
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return 0 == $c9; |
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} |
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return 0 == $c9; |
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} |
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} |
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lekoala /
tin
