Variable within a Variable

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  Hi All
  
  Im trying to store a document template in mysql that has php var names within it and then find it in the datebase and print it out with the var names replaced with the var values.
  
  e.g i have this stored
  
  Dear $title $name
  we would like to......
  
  I declare the vars $title and $name
  
  $title = 'Mr';
  $name = 'Test';
  //retrieve the stored template
  $query = "select template from letters";
  $result = mysqli_query($dblink,$query);
  if($row = mysqli_fetch_array($result)){
      print $row['template'];
  }
  
  i would expect that to print:
  
  Dear Mr Test
  we would like to......
  
  but it doesnt it prints out
  
  Dear $title $name
   we would like to......
  
  can someone point out where i am going wrong? Is this actually possible and if so im picking ive go the syntax wrong?
  
  Thanks for any help in advance!
  
  Cheers
  
  Bob
		
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