Crud/edit_buku.php at master · fadhil1923/Crud · GitHub

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<?php
// include database connection file
include_once("config.php");

// Check if form is submitted for user update, then redirect to homepage after update
if(isset($_POST['update']))
{
	$id_buku = $_POST['id_buku'];

	$judul_buku=$_POST['judul_buku'];
	$tahun_terbit=$_POST['tahun_terbit'];
	$penulis=$_POST['penulis'];

	// update user data
	$result = mysqli_query($mysqli, "UPDATE buku SET judul_buku='$judul_buku',tahun_terbit='$tahun_terbit',penulis='$penulis' WHERE id_buku=$id_buku");

	// Redirect to homepage to display updated user in list
	header("Location: index.php");
}
?>
<?php
// Display selected user data based on id
// Getting id from url
$id_buku = $_GET['id_buku'];

// Fetech user data based on id
$result = mysqli_query($mysqli, "SELECT * FROM buku WHERE id_buku=$id_buku");

while($user_data_buku = mysqli_fetch_array($result))
{
	$judul_buku = $user_data_buku['judul_buku'];
	$tahun_terbit = $user_data_buku['tahun_terbit'];
	$penulis = $user_data_buku['penulis'];
}
?>
<html>
<head>
	<title>Edit User buku</title>
</head>

<body>
	<a href="index.php">Home</a>
	<br/><br/>

	<form name="update" method="post" action="edit_buku.php">
		<table border="0">
			<tr>
				<td>judul_buku</td>
				<td><input type="text" name="judul_buku" value=<?php echo $judul_buku;?>></td>
			</tr>
			<tr>
				<td>tahun_terbit</td>
				<td><input type="text" name="tahun_terbit" value=<?php echo $tahun_terbit;?>></td>
			</tr>
			<tr>
				<td>penulis</td>
				<td><input type="text" name="penulis" value=<?php echo $penulis;?>></td>
			</tr>
			<tr>
				<td><input type="hidden" name="id_buku" value=<?php echo $_GET['id_buku'];?>></td>
				<td><input type="submit" name="update" value="update_buku"></td>
			</tr>
		</table>
	</form>
</body>
</html>