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CNPJ and CPF validator

A CNPJ and CPF validator for brazilian users...

Just add this in the module/lib/myCpfValidator.class.php path...

//Symfony integration as sfValidator of CPF and //CNPJ
//Date - Jul 11, 2006
//Author - Lucas Peres (mysyfy@gmail.com)
 
//CNPJ and CPF Validator
//Author: Marcelo Bom Jardim
 
//ABOUT
//This PHP script will validate CNPJ and CPF //number by checking there length
//and some other validations.
 
 
class myCpfValidator extends sfValidator {
 
    private function validaCPF($cpf) {
        $soma = 0;
 
        if (strlen($cpf) <> 11)
        return false;
 
        // Verifica 1º digito
        for ($i = 0; $i < 9; $i++) {
            $soma += (($i+1) * $cpf[$i]);
        }
 
        $d1 = ($soma % 11);
 
        if ($d1 == 10) {
            $d1 = 0;
        }
 
        $soma = 0;
 
        // Verifica 2º digito
        for ($i = 9, $j = 0; $i > 0; $i--, $j++) {
            $soma += ($i * $cpf[$j]);
        }
 
        $d2 = ($soma % 11);
 
        if ($d2 == 10) {
            $d2 = 0;
        }
 
        if ($d1 == $cpf[9] && $d2 == $cpf[10]) {
            return true;
        }
        else {
            return false;
        }
    }
 
    private function validaCNPJ($cnpj) {
 
        if (strlen($cnpj) <> 14)
        return false;
 
        $soma = 0;
 
        $soma += ($cnpj[0] * 5);
        $soma += ($cnpj[1] * 4);
        $soma += ($cnpj[2] * 3);
        $soma += ($cnpj[3] * 2);
        $soma += ($cnpj[4] * 9);
        $soma += ($cnpj[5] * 8);
        $soma += ($cnpj[6] * 7);
        $soma += ($cnpj[7] * 6);
        $soma += ($cnpj[8] * 5);
        $soma += ($cnpj[9] * 4);
        $soma += ($cnpj[10] * 3);
        $soma += ($cnpj[11] * 2);
 
        $d1 = $soma % 11;
        $d1 = $d1 < 2 ? 0 : 11 - $d1;
 
        $soma = 0;
        $soma += ($cnpj[0] * 6);
        $soma += ($cnpj[1] * 5);
        $soma += ($cnpj[2] * 4);
        $soma += ($cnpj[3] * 3);
        $soma += ($cnpj[4] * 2);
        $soma += ($cnpj[5] * 9);
        $soma += ($cnpj[6] * 8);
        $soma += ($cnpj[7] * 7);
        $soma += ($cnpj[8] * 6);
        $soma += ($cnpj[9] * 5);
        $soma += ($cnpj[10] * 4);
        $soma += ($cnpj[11] * 3);
        $soma += ($cnpj[12] * 2);
 
 
        $d2 = $soma % 11;
        $d2 = $d2 < 2 ? 0 : 11 - $d2;
 
        if ($cnpj[12] == $d1 && $cnpj[13] == $d2) {
            return true;
        } else {
            return false;
        }
    }
 
 
 
    public function execute (&$value, &$error)
    {
        if($this->getParameter('tipo') == 'cpf') {
            if(!$this->validaCPF($value)) {
                $error = $this->getParameter('msg_error');
                return false;
            }
        } else if($this->getParameter('tipo') == 'cnpj') {
            if(!$this->validaCNPJ($value)) {
                $error = $this->getParameter('msg_error');
                return false;
            }
        } else {
            $error = $this->getParameter('msg_error');
            return false;
        }       
        return true;
    }
 
    public function initialize ($context, $parameters = null)
    {
 
        // initialize parent
        parent::initialize($context, $parameters);
 
        // set defaults
        $this->setParameter('msg_error', 'Invalid input');
 
        $this->getParameterHolder()->add($parameters);
 
        return true;
 
 
    }
}

Then at the module/validate.yml add:

names:
  [...]
  cpf:
    required:      Yes
    required_msg:  O campo CPF &eacute; requerido
    validators:    cpfValidator
 
cpfValidator:
  class:          myCpfValidator    
  param:
    tipo:         cpf
    msg_error:    CPF inv&aacute;lido
by Lucas Peres on 2006-07-12, tagged cnpj  validation  validator 
(1 comment)