Prolem in superglobal variable, could u guys pls help me??

Question

<?php
echo "$_SERVER['HTTP_HOST']";
echo "$_SERVER['PHP_SELF']";
echo "$_SERVER['SERVER_NAME']";
echo "$_SERVER['REMOTE_ADDR']";
echo "$_SERVER['REMOTE_HOST']";
echo "$_SERVER['REMOTE_PORT']";
echo "$_SERVER['SCRIPT_FILENAME']";
echo "$_SERVER['SERVER_PORT']";
echo "$_SERVER['SCRIPT_NAME']";
echo "$_SERVER['SCRIPT_URI']";
?>
But whn I run it, it says:
Parse error: syntax error, unexpected '' (T_ENCAPSED_AND_WHITESPACE), expecting identifier (T_STRING) or variable (T_VARIABLE) or number............

Answer 1

try with this:

echo $_SERVER['HTTP_HOST'];

(remove the "" at echo)