hasilnya
- Langkah pertama kita mengisi script di sebuat file validator(test)
(Klik kanan --> New File --> PHP web page)
Apabila ingin belajar, bisa mengopy script seperti dibawah ini :
KONVERSI BILANGAN
hasil gambar di bawah ini
ini codenya:
<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE html>
<?php
if(isset($_POST['submit1'])){
$decimal=$_REQUEST['decimal'];
if(isset($_POST['pilih'])){
$pilih=$_REQUEST['pilih'];
}
else{
$pilih='';
}
}
else{
$decimal='';
$pilih='';
}
?>
<html>
<head>
<style type="text/css">
body{
background:url('nini.jpg');
}
a {
width: 100px;
border: 2px solid blue;
font:12px;
font-weight: bold;
color:honeydew;
margin: 20px;
text-align: center;
padding: 10px;
border-radius: 12px;
-webkit-border-radius: 12px;
background: lightblue;
}
a:hover{
background:springgreen;
}
a:active{
color: #990000;
}
.b{
color: lightgreen;
}
.bayangan1{
font-family:Calibri;
font-weight:bold;
color:blue;
}
form input.highlight{
background: aquamarine;
border-radius:5px;
padding: 5px;
}
form input.highlight:focus {
border: solid 1px #D9AD00;
border-radius:5px;
box-shadow:2px 2px 5px blue;
}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<h1 class="b">
<center>This page for "Konversi Bilangan"</center></h1>
<table border="0" width="900px" heigh="900px" align ="center">
<tr>
<td align ="center">
<!-- Proses Pilih Gender dari file Validator.php -->
<?php
if(isset ($_POST['submit'])){
$nama=$_REQUEST['nama'];
if(isset($_POSTZ'gender'])){
$gender=$_REQUEST['gender'];
}
else{
$gender='';
}
}
if(isset ($_POST['submit'])){
if($nama==''|| $gender==''){// tanda || : OR
echo"<script>
alert('Isi Jenis Kelamin');
document.location.href='Validator.php';
</script>";//menggunakan javascript
}
else{
//cek jenis kelamin
//yang ini pakek petik dua
if($gender=='L'){
echo"<br><h1>
Hello My brother, $nama :)</h1>
";
}
else{
echo"<br><h1>
Hello My sister, $nama :)</h1>
";
}
}
}
?>
<!-- End proses pilih Gender -->
</td>
</tr>
</table>
<table border="10" width="900px" heigh="900px" align ="center" class='bayangan1'>
<tr>
<td align ="center">
<p>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>"
method="POST" name="form1">
<h2>
Insert decimal number here </h2>
<input class='highlight' placeholder="Desimal" required="required" type="text" name="decimal" size ="25" value="<?php echo $decimal ?>"/><br>
<h2>
Pilih Proses Konversi : <br>
<input type="radio" name="pilih" value="B"
<?php ($pilih=="B")? print 'checked=""' : print ''; ?>/>
Biner<br>
<input type="radio" name="pilih" value="H"
<?php ($pilih=="H")? print 'checked=""' : print ''; ?>/>
Hexa<br>
<input type="radio" name="pilih" value="O"
<?php ($pilih=="O")? print 'checked=""' : print ''; ?>/>
Octal<br>
</h2>
<input type="submit" name="submit1" value="KONVERSIKAN"><br>
</form>
<!-- Proses Konversi -->
<?php
if(isset($_POST['submit1'])){//isset : penekanan form
$decimal=$_REQUEST['decimal'];
if(isset($_POST['pilih'])){
$pilih=$_REQUEST['pilih'];
}
else{
$pilih='';
}
}
else{
$decimal='';
$pilih='';
}
if(isset ($_POST['submit1'])){
if($decimal==''|| $pilih==''){
echo"<script>alert('Pilih dahulu proses konversinya')</script>";//menggunakan javascript
}
else{
if($pilih=='B'){
//Konversi ke Biner
if (isset($_POST['decimal'])) {
$decimal = $_POST['decimal'];
$original = $_POST['decimal'];
$binary = '';
if (preg_match('/[^0-9]/',$decimal)) {
die ("Silahkan hanya menginputkan bilangan desimal");
}
else {
while ($decimal > 0) {
if ($decimal%2 == 0) {
$binary .= 0;
$decimal /= 2;
}
else {
$binary .= 1;
$decimal = ($decimal/2)-0.5;
}
}
$result = strrev($binary);
echo "<br><h2>
Binernya adalah $result.</h2>";
}
}
else {
}
}
else{
if($pilih=='H'){
//Konversi ke Hexa
if(isset($_POST['decimal'])){
$des=$_POST['decimal'];
$original=$_POST['decimal'];
$hex='';
while ($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);
echo "<br><h2>
Hexanya adalah $result.</h2>";
}
}
else{
//Konversi ke Oktal
if(isset($_POST['decimal'])){
$des=$_POST['decimal'];
$original=$_POST['decimal'];
$octal='';
while ($des>0){
$hasil=$des%8;
switch($hasil){
case 0 : $octal.="0"; break;
case 1 : $octal.="1"; break;
case 2 : $octal.="2"; break;
case 3 : $octal.="3"; break;
case 4 : $octal.="4"; break;
case 5 : $octal.="5"; break;
case 6 : $octal.="6"; break;
case 7 : $octal.="7";
default:break;
}
if($des/8>0){
$sisa=($des/8);
$des=$sisa%8;
}
else{
$sisa=($des%8);
$des=$sisa;
}}
$result = strrev($octal);
echo "<br><h2>
Octalnya adalah $result.</h2>";
}
else{
}
&nbrp; }
}
}
}
echo "<br><h2>
<a href='Validator.php'>RESET</a></h2>
<br><br>";
?>
<!-- End proses Konversi -->
</td>
</tr>
</table>
</body>
</html>
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