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zrkb/ruc.php

Last active April 11, 2019 14:44
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Digito Verificador de Ruc Paraguayo
Raw
ruc.php
<?php
function digito_verificador($ci, $baseMax = 11)
{
$resultado = 0;
$index = 0;
for ($rucIndex = strlen($ci) - 1; $rucIndex >= 0; $rucIndex--) {
$resultado += (int) $ci[$rucIndex] * ($index + 2);
$r = $resultado % $baseMax;
$index++;
};
$verificador = $r > 1 ? $baseMax - $r : 0;
return $verificador;
}
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