title: Difference between {$_GET['id']} and '".$_GET['id']."'?
body: <p>Is the any difference between writing</p>
  
  <pre>
  {$_GET['id']}
  </pre>
  
  <p>and</p>
  
  <p>
  '".$_GET['id']."'
  
  
  <p>in a sql statement? both works the same</p>