Pada contoh kali ini saya akan membagikan contoh sederhana membuat program toko menggunakan PHP (belum disertakan script Java Script). Tujuannya agar fokus ke pemahaman PHP.
Yuk, langsung saja ke source code nya. Checkit out
<!DOCTYPE html>
<html>
<head>
<title>Program Toko Sederhana</title>
</head>
<body>
<header>
<b><p align="center">PROGRAM TOKO SEDERHANA</p></b>
<b><p align="center">TOKO HAJI MUNIR</p></b>
<hr>
</header>
<main>
<form action="" method="post">
<label>Nama Barang : </labelp>
<br>
<input type="text" name="nmbarang">
<br>
<label>Harga : </label>
<br>
<input type="number" name="hrgbarang"”>
<br>
<label>Jumlah : </label>
<br>
<input type="number" name="jmlbarang"”>
<br>
<label>Diskon (%): </label>
<br>
<input type="number" name="diskbarang">
<br>
<br><br>
<input type="submit" name="submit" value="Proses">
<br>
</form>
<table border="1" align="center" width="1000">
<tr>
<th>Nama Barang</th>
<th>Harga</th>
<th>Jml</th>
<th>Diskon (%)</th>
</tr>
</main>
</body>
</html>
<?php
if(isset($_POST["submit"])){
$nmbarang=$_POST["nmbarang"];
$hrgbarang=$_POST["hrgbarang"];
$jmlbarang=$_POST["jmlbarang"];
$subtt=$hrgbarang*$jmlbarang;
$diskbarang=$_POST["diskbarang"];
$hitdiskbarang=($diskbarang/100)*$subtt;
$totalstldisk=$subtt-$hitdiskbarang;
$ppn=(11/100)*$totalstldisk;
$grandtotal=$totalstldisk+$ppn;
//echo $nmbarang;
echo "<tr>";
echo "<td>$nmbarang</td>";
echo "<td>$hrgbarang</td>";
echo "<td>$jmlbarang</td>";
echo "<td>$diskbarang</td>";
echo "</tr>";
echo "Sub Total : ".number_format($subtt,2,".",",");
//echo "Kembalian : "."Rp ".number_format($hitungBayar,2,'.',',');
echo "<br>";
echo "Diskon : ".number_format($hitdiskbarang,2,".",",");
echo "<br>";
echo "Total (setelah diskon) : ".number_format($totalstldisk,2,".",",");
echo "<br>";
echo "PPN (%) : ".number_format($ppn,2,".",",");
echo "<br>";
echo "Grand Total : ".number_format($grandtotal,2,".",",");
echo "<br>";
echo "</tablel>";
}
?>
Hasil yang ditampilkan

Source code di atas masih perlu dikombinasikan dengan CSS, Java Script, DBMS MySQL, dll.
Semoga membantu