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optango

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Jan 27th, 2012
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PHP 0.52 KB | None | 0 0
  1. for ( $in =606126702512472; $in < 606126702512572; $in++ ) {
  2.         $digitos = str_split($in);
  3.  
  4.         foreach ($digitos as $i => $digito) {
  5.                 if ( ($i % 2) == 0 ) {
  6.                         $digitos[$i] = ($digito*2)>9 ? (($digito*2) - 9) : $digito*2;
  7.                 }
  8.         }
  9.  
  10.         $suma = array_sum($digitos);
  11.         if ( ($suma % 10) == 0 ) {
  12.                 $verificador = 0;
  13.         } else {
  14.                 $verificador = (10 - ($suma%10));
  15.         }
  16.  
  17.         echo $in."".$verificador;
  18. }
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