[PHP]: Pegar sistema operacional com php.

    echo GetUserWinVersion();
    function GetUserWinVersion(){

        $UserStats  = php_uname();
        $UserPos[2] = "";
        $Percorrer  = 0;

        while ($Percorrer != strlen($UserStats)){

            if($UserStats[$Percorrer] == '('){
                $UserPos[0] = $Percorrer + 1;
            }
            if($UserStats[$Percorrer] == ')'){
                $UserPos[1] = $Percorrer;
            }
            $Percorrer ++;
        }

        return substr($UserStats, $UserPos[0], $UserPos[1] - $UserPos[0]);
    }