Show Code:
medium-update.php
<?php include 'session.php'; ?> <!DOCTYPE html>
<html>
<head>
<title>Alexandria</title>
<link href="style1.css" rel="stylesheet" type="text/css">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!--Refresh back to mediums read page-->
<?php if(!empty($_POST['medium_name'])){ ?>
<meta http-equiv="refresh" content="0.5;URL='mediums-read.php'">
<?php } ?>
</head>
<body>
<?php include 'nav.php'; ?>
<?php include 'db-connect.php'; ?>
<main>
<?php
if(empty($_POST)){
//if the user has just clicked on edit
$medium_id=$_GET['medium_id'];
$sql='SELECT * FROM t_mediums WHERE medium_id='.$medium_id;
$result=mysqli_query($con,$sql);
$row=mysqli_fetch_array($result);
?>
<form method="post" action="medium-update.php">
<input type="text" name="medium_name" value="<?php echo $row['medium_name']?>">
<!--Pass hidden medium_id as well-->
<input type="hidden" name="medium_id" value="<?php echo $medium_id; ?>">
<input type="submit" value="Update">
</form>
<?php
}
else{
//otherwise - recursive form handling
$medium_name=$_POST['medium_name'];
$medium_id=$_POST['medium_id'];
$sql='UPDATE t_mediums SET medium_name="'.$medium_name.'"
WHERE medium_id='.$medium_id;
if(mysqli_query($con,$sql)){
echo 'medium has been updated';
}
else{
echo "Error updating medium: " . mysqli_error($con);
}
}
?>
<?php mysqli_close($con); //Close Connection?>
</main>
</body>
</html>