title: Convert a query to a parametised query
body: <p>I am trying to convert a query into a parametised query.</p>
  
  <p>My PHP/SQL query at the moment is </p>
  
  <pre><code>SELECT * FROM System WHERE information LIKE '%$sheet%' ORDER BY newest DESC;
  </code></pre>
  
  <p>How would I parametise this?</p>