PHP

<?php
$servername = "localhost";
$username = "root";
$password = "123";
$dbname = "emildeveloping";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

if (isset($_POST['update'])) {
    $id = $_POST['id'];
	$subject = $_POST['subject'];
	$news = $_POST['news'];

// sql to delete a record
$sql = "UPDATE news SET subject= '$subject', SET news= '$news' WHERE id=$id";

if (mysqli_query($conn, $sql)) {
    echo "Record deleted successfully";
} else {
    echo "Error deleting record: " . mysqli_error($conn);
}
}

mysqli_close($conn);
?>