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Validar Rut en php
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<?php | |
/** | |
* Comprueba si el rut ingresado es valido | |
* | |
* @param $rut string | |
* @return true o false | |
*/ | |
function valida_rut($rut) | |
{ | |
$rut = preg_replace('/[^k0-9]/i', '', $rut); | |
$dv = substr($rut, -1); | |
$numero = substr($rut, 0, strlen($rut)-1); | |
$i = 2; | |
$suma = 0; | |
foreach(array_reverse(str_split($numero)) as $v) | |
{ | |
if($i==8) | |
$i = 2; | |
$suma += $v * $i; | |
++$i; | |
} | |
$dvr = 11 - ($suma % 11); | |
if($dvr == 11) | |
$dvr = 0; | |
if($dvr == 10) | |
$dvr = 'K'; | |
if($dvr == strtoupper($dv)) | |
return true; | |
else | |
return false; | |
} |
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