beikut syntax nya:
<?php
if(isset($_POST['desimal'])){
$desimal=$_POST['desimal'];
$original =$_POST['desimal'];
$oct='';
if(preg_match('/[^0-9]/',$desimal)){
die("maaf inputan salah..");
}
else{
while($desimal>0) {
$hasil=$desimal%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;
case 8: $oct.="10"; break;
case 9: $oct.="11"; break;
case 10: $oct.="12"; break;
case 11: $oct.="13"; break;
case 12: $oct.="14"; break;
case 13: $oct.="15"; break;
case 14: $oct.="16"; break;
case 15: $oct.="17";
default:break;
}
if($oct/8==0){
$sisa=($desimal%8);
$oct=$sisa;
}
else{
$sisa=($desimal/8);
$desimal=$sisa%8;
}}
$result= strrev($oct);
echo "bilangan $original(desimal)dalam octal adalah$result.
<a href='konversi_des_to_oct.php'>back</a> to the script";
}
}
else{
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<form action="<?php echo $_SERVER['PHP_SELF'];?>"
method="post"
<h3> masukan bilangan disini:
</h3><input type="text" size="50" name="desimal" >
<input type="submit" value="konversikan!">
</form>
<?php
echo "<br>",$_SERVER['PHP_SELF'];
?>
</body>
</html>
<?php
}
?>
Dan seperti ini outputan nya:if(isset($_POST['desimal'])){
$desimal=$_POST['desimal'];
$original =$_POST['desimal'];
$oct='';
if(preg_match('/[^0-9]/',$desimal)){
die("maaf inputan salah..");
}
else{
while($desimal>0) {
$hasil=$desimal%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;
case 8: $oct.="10"; break;
case 9: $oct.="11"; break;
case 10: $oct.="12"; break;
case 11: $oct.="13"; break;
case 12: $oct.="14"; break;
case 13: $oct.="15"; break;
case 14: $oct.="16"; break;
case 15: $oct.="17";
default:break;
}
if($oct/8==0){
$sisa=($desimal%8);
$oct=$sisa;
}
else{
$sisa=($desimal/8);
$desimal=$sisa%8;
}}
$result= strrev($oct);
echo "bilangan $original(desimal)dalam octal adalah$result.
<a href='konversi_des_to_oct.php'>back</a> to the script";
}
}
else{
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<form action="<?php echo $_SERVER['PHP_SELF'];?>"
method="post"
<h3> masukan bilangan disini:
</h3><input type="text" size="50" name="desimal" >
<input type="submit" value="konversikan!">
</form>
<?php
echo "<br>",$_SERVER['PHP_SELF'];
?>
</body>
</html>
<?php
}
?>
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