Kamis, 09 Agustus 2012

konversi bilangan decimal to octal

<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
<!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){
    $hasil=$des%8;
    switch($hasil){
        case 0: $oct .="0"; break;
        case 1: $oct .="1"; break;
        case 2: $oct .="2"; break;
        case 3: $oct .="3"; break;
        case 4: $oct .="4"; break;
        case 5: $oct .="5"; break;
        case 6: $oct .="6"; break;
        case 7: $oct .="7"; break;
        default:break;
    }
    if($des/8 == 0){
        $sisa=($des%8);
        $des=$sisa;
    }
    else{
        $sisa=($des/8);
        $des=$sisa%8;
    }}
        $result = strrev ($oct);
        echo "Bilangan $original (desimal) dalam octal adalah $result.
        <a href='konversi_desimal_ke_octal.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
}
?>
 


 

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