Checking if someone is online with ICQ in PHP

<?php
        // ***
        // ICQ tjek funktion
        // ***
        function icq_test($uin) {
                $arr = file( "http://online.mirabilis.com/scripts/online.dll?icq=$uin&img=1");
                    $len = strlen($arr[1]);
                    if ($len == 96) {
                        return  "<b><font color=\"#00FF00\">Online</font></b>";
                } elseif ($len == 83) {
                        return  "<b><font color=\"#FF4040\">Offline</font></b>";
                } elseif ($len == 1) {
                        return  "<b><font color=\"#FF4040\">Offline</font></b>";
                } else {
                        return  "Status ukendt";
                }
        }
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