PHP IMAP IDLE

<?php
# @todo
# recursive line checking based on lenght
# check for response RFC
# fread 4096 except mails

$login = "first.last@gmail.com";
$password = "p4$$W0rD";

if (!($fp = fsockopen('ssl://imap.gmail.com', '993', $errno, $errstr, 15)))
{
    die("Could not connect to host");
}

// server greeting
get_line($fp, "/^\* OK/");

// unique ID
define('UID', uniqid());
put_line($fp, UID." LOGIN $login $password\r\n");
get_line($fp, "/^".UID." OK/");

$msgbox = "INBOX";
put_line($fp, UID." SELECT $msgbox\r\n");
get_line($fp, "/^".UID." OK/");

put_line($fp, UID." IDLE\r\n");
get_line($fp, "/^./");

while(TRUE)
{
    $response = get_line($fp, "/^./");
    if(preg_match('/([\d]+) EXISTS/', $response, $matches))
    {
        // DONE: OK/NO/BAD
        put_line($fp, "DONE\r\n");
        get_line($fp, "/^./");

        // FETCH: OK/NO/BAD
        put_line($fp, UID." FETCH ".$matches[1]." BODY[TEXT]\r\n");
        get_line($fp, "/^./");
        echo time();

        put_line($fp, UID." IDLE"."\r\n");
    }
}

fclose($fp);

function put_line($fp, $line)
{
    echo "sending   $line";
    fwrite($fp, $line);
}

function get_line($fp, $expect)
{
    echo ">get_line $expect\r\n";
    $r = "";
echo ".";
$timeout = 10 * 1000000; // 10 s
$timeout = 10 * 10;
    echo  stream_set_blocking($fp, 1);
    echo stream_set_timeout($fp, 0, $timeout);
    $info = stream_get_meta_data($fp);

    while ((!feof($fp)) && (!$info['timed_out'])) {
echo ".";
        $line = fgets($fp, 4096);
        $info = stream_get_meta_data($fp);
        echo "received  " . $line;
        $r .= $line;
        if (preg_match($expect, $line)) {
            break;
        }
    }
    return $r;
}

?>