ALFIAN FEBRI: konversi bilangan decimal to hexa

<!DOCTYPE html>
<?php
if (isset($_POST['decimal'])){
    $des = $_POST['decimal'];
    $original = $_POST['decimal'];
    if (preg_match('/[^0-9]/',$decimal)){
            die ("Maaf. inputan salah..");
    }
    else {
        while($des>0){ //diulang terus lek lebih dari nol
    $hasil=$des%16; //digoleki sisane
    switch($hasil){
        case 0: $hex .="0"; break;
        case 1: $hex .="1"; break;
        case 2: $hex .="2"; break;
        case 3: $hex .="3"; break;
        case 4: $hex .="4"; break;
        case 5: $hex .="5"; break;
        case 6: $hex .="6"; break;
        case 7: $hex .="7"; break;
        case 8: $hex .="8"; break;
        case 9: $hex .="9"; break;
        case 10: $hex .="A"; break;
        case 11: $hex .="B"; break;
        case 12: $hex .="C"; break;
        case 13: $hex .="D"; break;
        case 14: $hex .="E"; break;
        case 15: $hex .="F";
        default:break;
    }
    if($des/16 == 0){//lek sisane nol
        $sisa=($des%16);
        $des=$sisa;
    }
    else{
        $sisa=($des/16);
        $des=$sisa%16;
    }}
        $result = strrev ($hex);//diwalik
        echo "Bilangan $original (desimal) dalam hexa adalah $result.
        <a href='konversi_desimal_ke_hexa.php'>Back</a> to the script";
        }
}
else
{
?>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title></title>
    </head>
    <body>
        <form action="<?php echo $_SERVER['php_self']; ?>"
              method="POST">
            <h3>Masukkan bilangan Desimal disini (cepat!!)
            </h3><input type="text" size="50" name="decimal">
            <input type="submit" value="Konversikan!">
        </form>
    </body>
</html>
<?php
}
?>

ALFIAN FEBRI

Jumat, 10 Agustus 2012

konversi bilangan decimal to hexa

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