Gerador de CPF aleatório

randomCPF.php

<?php

function mod($dividendo,$divisor)
{
   return round($dividendo - (floor($dividendo/$divisor)*$divisor));
}

function cpf($compontos)
{
   $n1 = rand(0,9);
   $n2 = rand(0,9);
   $n3 = rand(0,9);
   $n4 = rand(0,9);
   $n5 = rand(0,9);
   $n6 = rand(0,9);
   $n7 = rand(0,9);
   $n8 = rand(0,9);
   $n9 = rand(0,9);
   $d1 = $n9*2+$n8*3+$n7*4+$n6*5+$n5*6+$n4*7+$n3*8+$n2*9+$n1*10;
   $d1 = 11 - ( mod($d1,11) );

   if ( $d1 >= 10 )
   { 
      $d1 = 0 ;
   }

   $d2 = $d1*2+$n9*3+$n8*4+$n7*5+$n6*6+$n5*7+$n4*8+$n3*9+$n2*10+$n1*11;
   $d2 = 11 - ( mod($d2,11) );

   if ($d2>=10) { $d2 = 0 ;}

   $retorno = '';

   if ($compontos==1) {$retorno = ''.$n1.$n2.$n3.".".$n4.$n5.$n6.".".$n7.$n8.$n9."-".$d1.$d2;}
   else {$retorno = ''.$n1.$n2.$n3.$n4.$n5.$n6.$n7.$n8.$n9.$d1.$d2;}

   return $retorno;
}

function cnpj($compontos)
{
   $n1 = rand(0,9);
   $n2 = rand(0,9);
   $n3 = rand(0,9);
   $n4 = rand(0,9);
   $n5 = rand(0,9);
   $n6 = rand(0,9);
   $n7 = rand(0,9);
   $n8 = rand(0,9);
   $n9 = 0;
   $n10= 0;
   $n11= 0;
   $n12= 1;
   $d1 = $n12*2+$n11*3+$n10*4+$n9*5+$n8*6+$n7*7+$n6*8+$n5*9+$n4*2+$n3*3+$n2*4+$n1*5;
   $d1 = 11 - ( mod($d1,11) );

   if ( $d1 >= 10 )
   { 
      $d1 = 0 ;
   }
   $d2 = $d1*2+$n12*3+$n11*4+$n10*5+$n9*6+$n8*7+$n7*8+$n6*9+$n5*2+$n4*3+$n3*4+$n2*5+$n1*6;
   $d2 = 11 - ( mod($d2,11) );

   if ($d2>=10) { $d2 = 0 ;}

   $retorno = '';

   if ($compontos==1) {$retorno = ''.$n1.$n2.".".$n3.$n4.$n5.".".$n6.$n7.$n8."/".$n9.$n10.$n11.$n12."-".$d1.$d2;}
   else {$retorno = ''.$n1.$n2.$n3.$n4.$n5.$n6.$n7.$n8.$n9.$n10.$n11.$n12.$d1.$d2;}

   return $retorno;
}

?>