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<?php |
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2
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3
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if (! function_exists('starts_with')) { |
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/** |
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* Checks if a string starts with a given substring. |
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*/ |
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function starts_with(string $needle, string $haystack): bool |
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{ |
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9
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3 |
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return substr($haystack, 0, strlen($needle)) === $needle; |
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10
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} |
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11
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} |
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12
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13
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if (! function_exists('module10')) { |
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/** |
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* Calculates the module 10 for the given input. |
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*/ |
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function module10(string $input): string |
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{ |
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72 |
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$reversedInput = strrev($input); |
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72 |
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$sum = 0; |
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22
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72 |
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for ($inputSize = strlen($reversedInput), $i = 0; $i < $inputSize; $i++) { |
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72 |
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$value = (int) (substr($reversedInput, $i, 1)); |
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72 |
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$productResult = $value * (0 == $i % 2 ? 2 : 1); |
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25
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26
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72 |
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if ($productResult > 9) { |
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// Sum the number digits before add to the total sum. |
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28
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72 |
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$sum += array_sum(str_split($productResult)); |
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} else { |
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72 |
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$sum += $productResult; |
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} |
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32
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} |
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72 |
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return (ceil($sum / 10) * 10) - $sum; |
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} |
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} |
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if (! function_exists('module11')) { |
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/** |
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* Calculates the module 11 for the given input. |
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* |
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* @example CPF: module11('input', 2, 12, true) |
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* @example CNPJ: module11('input', 2, 9, true) |
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* @example PIS,C/C,Age: module11('input', 1, 9, true) |
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* @example RG SSP-SP: module11('input', 1, 9, false) |
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* |
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* @param string $input Input numbers without the verification digit |
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* @param int $amountOfDigits Amount of verification digits to calculate |
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* @param int $multiplicationThreshold The max weight to multiply the numbers |
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* @param bool $timesTen Whether or not multiply the sum by ten. True returns the digit, false the rest of the division |
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*/ |
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function module11(string $input, int $amountOfDigits = 1, int $multiplicationThreshold = 9, bool $timesTen = true): string |
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{ |
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49 |
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if (! $timesTen) { |
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$amountOfDigits = 1; |
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} |
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58
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49 |
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for ($n = 1; $n <= $amountOfDigits; $n++) { |
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49 |
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$sum = 0; |
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49 |
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$weight = 2; |
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49 |
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for ($i = strlen($input) - 1; $i >= 0; $i--) { |
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49 |
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$sum += $weight * (int) (substr($input, $i, 1)); |
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63
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49 |
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if (++$weight > $multiplicationThreshold) { |
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48 |
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$weight = 2; |
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} |
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} |
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68
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49 |
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if ($timesTen) { |
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$digit = fmod(fmod(($sum * 10), 11), 10); |
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} else { |
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$digit = fmod($sum, 11); |
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72
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} |
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73
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49 |
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$input .= (string) $digit; |
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} |
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75
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76
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return substr($input, strlen($input) - $amountOfDigits); |
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} |
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} |
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claudsonm /
boleto-winner
