if (isset($_POST['Submit']))://if admin wants to edit category

$h1 = $_POST['h1'];
$text = $_POST['text'];

$servername = "localhost";
$username = "user";
$password = "password";
$dbname = "dbname";

try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

// Prepare statement
$stmt = $conn->prepare('UPDATE sections (h1, text) values (:h1, :text) WHERE id=1');
$stmt->bindParam(':h1', $h1);
$stmt->bindParam(':text', $text);
// execute the query
$stmt->execute();

// echo a message to say the UPDATE succeeded
echo $stmt->rowCount() . " records UPDATED successfully";
}
catch(PDOException $e)
{
echo $sql . "<br>" . $e->getMessage();
}

$conn = null;