title: dot in variable name
body: <p>I am passing the variable with dot in query string.Php is replacing the dot with under score. So how can i retain the variable name which is having dot in the name</p>
  
  <p><a href="http://localhost/sample.php?one.txt=on&amp;two.txt=on" rel="noreferrer">http://localhost/sample.php?one.txt=on&amp;two.txt=on</a></p>
  
  <p>sample.php</p>
  
  <p>$ret=$_REQUEST['one.txt'];//Not working</p>