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- <html>
- <body>
- <?php
- $cpf=$_REQUEST["cpf"];
- function calculoDuCPF($cpf)
- {
- $soma=0;
- $soma2=0;
- for($i=0;$i<strlen($cpf);$i++){
- $c=$cpf[$i];
- $soma+=$c*($i+1);
- $soma2+=$c*$i;
- }
- $dv1=$soma%11;
- if($dv1==10){
- $$dv1=0;
- }
- $soma2+=$dv1*9;
- $dv2=$soma2%11;
- if($dv2==10){
- $$dv2=0;
- }
- return "$dv1$dv2";
- }
- function validaCPF($cpf)
- {
- $x=substr($cpf,0,9);
- $dv=calculoDuCPF($x);
- if($dv==substr($cpf,9,2)){
- return "true";
- }
- else{
- return "false";
- }
- }
- $a=validaCPF($cpf);
- echo $a;
- ?>
- </body>
- </html>
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