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Portuguese NIF Validation
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<?php | |
class Nif{ | |
function calcularNif($string_nif){ | |
if(strlen($string_nif)==9){ | |
$nif_temp=str_split($string_nif); | |
//print_r($nif_temp); | |
//echo "<br>"; | |
$contador=9; | |
$soma_controlo=0; | |
$digito_controlo_calculado=0; | |
for($indice=0;$indice<8;$indice++){ | |
//echo $soma_controlo."=".$nif_temp[$indice]."*".($indice+2)."\n"; | |
$soma_controlo+=$nif_temp[$indice]*($indice+2); | |
//echo $nif_temp[$indice]."*".($indice+2).'='.$nif_temp[$indice]*($indice+2); | |
//echo ' '.$soma_controlo."<br>"; | |
$contador--; | |
} | |
//echo ($soma_controlo/11)."<br>"; | |
$calculo_parcial=intval($soma_controlo/11); | |
$calculo_parcial2=11*$calculo_parcial; | |
$digito_controlo_calculado=$soma_controlo-$calculo_parcial2; | |
//echo "Digito controlo calculado".$digito_controlo_calculado."<br>"; | |
if($digito_controlo_calculado==10) | |
$digito_controlo_calculado=0; | |
//echo "Digito controlo NIF=".$nif_temp[8]."<br>"; | |
if($digito_controlo_calculado==$nif_temp[8]) | |
return 0; | |
else | |
return 1; | |
} | |
return 2; // numero com comprimento invalido | |
} | |
} | |
?> |
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