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<?php |
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namespace CpfCnpjValidation; |
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use Zend\Validator\ValidatorInterface; |
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class Cpf implements ValidatorInterface |
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{ |
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private $invalidCpf = [ |
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'00000000000', |
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11
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'11111111111', |
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'22222222222', |
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'33333333333', |
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'44444444444', |
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'55555555555', |
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'66666666666', |
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'77777777777', |
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'88888888888', |
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'99999999999' |
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]; |
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/** |
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* Returns true if and only if $value meets the validation requirements |
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* |
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* If $value fails validation, then this method returns false, and |
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* getMessages() will return an array of messages that explain why the |
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* validation failed. |
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* |
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* @param mixed $value |
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* @return bool |
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* @throws Exception\RuntimeException If validation of $value is impossible |
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*/ |
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public function isValid($value) |
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{ |
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if (empty($value)) { |
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return false; |
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} |
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// Elimina possivel mascara |
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$cpf = preg_replace('/[^0-9]/', '', (string) $value); |
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3 |
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if (strlen($cpf) > 11) { |
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return false; |
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} |
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$cpf = str_pad($cpf, 11, '0', STR_PAD_LEFT); |
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if (in_array($cpf, $this->invalidCpf)) { |
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return false; |
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} |
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3 |
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1 |
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for ($t = 9; $t < 11; $t ++) { |
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for ($d = 0, $c = 0; $c < $t; $c ++) { |
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$d += $cpf{$c} * (($t + 1) - $c); |
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} |
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$d = ((10 * $d) % 11) % 10; |
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if ($cpf{$c} != $d) { |
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return false; |
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} |
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} |
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return true; |
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} |
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1 |
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/** |
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* Returns an array of messages that explain why the most recent isValid() |
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1 |
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* call returned false. |
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* The array keys are validation failure message identifiers, |
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* and the array values are the corresponding human-readable message strings. |
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* |
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* If isValid() was never called or if the most recent isValid() call |
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* returned true, then this method returns an empty array. |
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* |
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* @return array |
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*/ |
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public function getMessages() |
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{ |
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return []; |
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} |
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} |
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adelarcubs /
cpf-cnpj-validation
