Maaf semua, nggak aku beri keterangan tentang coding-coding ini, soalnya ngerjainnya keburu-buru, hehehe
<?php
error_reporting(0);
$des = $_REQUEST['des'];
$option = $_REQUEST['option'];
function bin($bil){
$decimal= $bil;
$ori=$decimal;;
while ($decimal>0){
if($decimal%2 == 0){
$binary .= 0;
$decimal /= 2;
}
else{
$binary .= 1;
$decimal = ($decimal/2)-0.5;
}
}
$result = strrev($binary);
return "Biner dari : $ori adalah : $result <br/>";
}
function oct($bil){
$des= $bil;
$ori=$des;
$oct='';
while($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);
return "Octal dari : $ori adalah : $result <br/>";
}
function hex($bil){
$des= $bil;
$ori=$des;
$hex='';
while($des>0){
$hasil=$des%16;
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){
$sisa=($des%16);
$des=$sisa;
}
else{
$sisa=($des/16);
$des=$sisa%16;
}
}
$result = strrev($hex);
return "Hexa dari : $ori adalah : $result <br/>"; //funngsi ini mereturn hasil
}
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>All Convert</title>
</head>
<body>
<h1>Konversi Bilangan Desimal ke Bentuk Lainnya</h1>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>"
method="post" name="form1">
<p>Masukkan bilangan desimal yang ingin anda ubah : <br/>
<input type="text" name="des" value="<?php echo $des ?>" /></p>
<p>Pilih konversi : <br/>
<input type="radio" name="option" value="bin"
<?php ($option=="bin") ? print 'checked=""': print ''; ?>/>
Desimal to Biner
<input type="radio" name="option" value="hex"
<?php ($option=="hex") ? print 'checked=""': print ''; ?>/>
Desimal to Hexa
<input type="radio" name="option" value="oct"
<?php ($option=="oct") ? print 'checked=""': print ''; ?>/>
Desimal to Octal
</p>
<input type="submit" name="submit" value="Submit"/>
</form>
<?php
if(isset($_POST['des'])){ //apakah data tersubmit?
/*mambuat variable untuk menyimpan data yang dikirim*/
$des = $_REQUEST['des'];
$option = $_REQUEST['option'];
//cek apakah data yang dikirim tidak kosong ?
if($des=='' || $option==''){
echo '<h2>Maaf data Kurang Lengkap</h2>';
}
else{
//cek jenis kelamin
switch($option){
case 'bin' : echo "<h3>".bin($des)."</h3>"; break;
case 'hex' : echo "<h3>".hex($des)."</h3>"; break;
case 'oct' : echo "<h3>".oct($des)."</h3>"; break;
default : break;
}
}
echo "<a href='".$_SERVER['PHP_SELF']."'>Reset</a>"; //hasil
}
?>
</body>
</html>
