<?php

class URL {

        // Public Variables
        public $HTTPS;
        public $ServerName;
        public $WWW;
        
        // Public Functions
        
        public function __construct() {
                $this->checkWWW();
        }
        
        // Check if site is preceeded by 'WWW'
        public function checkWWW() {
                $myDomain = $_SERVER['SERVER_NAME'];
                $FindWWW = 'www.';
                $POS = strpos($myDomain, $FindWWW);
                if ($POS === 1) {
                        $this->WWW = true;
                } else {
                        $this->WWW = false;
                }
        }

        // Redirect to WWW
        public function WWWRedirect() {
                if ($this->WWW = false) {
$redir = "Location: http://www."; . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
                        header($redir);
                }
        }
}

$myURL = new URL();
$myURL->WWWRedirect();

?>

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