function update_content($id, $page, $user_date) {
global $db;
// define sensible test values
// create a prepared statement
$update_stmt = $db->prepare(
UPDATE
pages
SET
blog_name =?,
content = ?,
update_date = ?
WHERE
id = ?
/* bind parameters for markers */
$update_stmt->bind_param(
/* execute query */
$update_stmt->execute();
/* close statement */
$update_stmt->close();
}