$_SERVER['FULL_URL'] = 'http';
$script_name = '';
if(isset($_SERVER['REQUEST_URI'])) {
    $script_name = $_SERVER['REQUEST_URI'];
} else {
    $script_name = $_SERVER['PHP_SELF'];
    if($_SERVER['QUERY_STRING']>' ') {
        $script_name .=  '?'.$_SERVER['QUERY_STRING'];
    }
}
if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']=='on') {
    $_SERVER['FULL_URL'] .=  's';
}
$_SERVER['FULL_URL'] .=  '://';
if($_SERVER['SERVER_PORT']!='80')  {
    $_SERVER['FULL_URL'] .=
    $_SERVER['HTTP_HOST'].':'.$_SERVER['SERVER_PORT'].$script_name;
} else {
    $_SERVER['FULL_URL'] .=  $_SERVER['HTTP_HOST'].$script_name;
}

echo   $_SERVER['FULL_URL'];