"; echo $_SERVER["SERVER_SOFTWARE"], "
"; echo $_SERVER["SCRIPT_FILENAME"], "
"; echo $_POST, "
"; echo "
"; # The output from the loop below shows all of the $_SERVER # values for this execution. # Note: we will discuss how the loop works shortly (after discussing arrays). # Notice that this script has no POST parameters. # If $_POST is used in the loop, the output will be empty. # When we process forms, $_POST will not be empty and we will extract values from it. # (just like our formHandler.php example) echo "Values in the \$_SERVER Variable:
"; foreach ($_SERVER as $key => $val) { echo "$key has value $val
"; } # The phpinfo() function is very useful, showing the configuration # information about the server. phpinfo(); ?>