<?php
header ('Content-type: text/plain');

	//$_SERVER is the superglobal holing all key-value pairs
	//Print key and value pair  foreach SERVER superglobal
	foreach ($_SERVER as $key=>$val )
    {
         //print "new row" + key + ": " + value + "new row"
		 echo "\n".$key.": " .$val."\n";
    }
?>