Roku Remote

<form name="input" action="index2.php" method="get">
Text: <input type="text" name="str" />
<input type="hidden" name="cmd" value="text" />
<input type="submit" value="Submit" />
</form>
<a href="index2.php?cmd=up">Up</a><br>
<a href="index2.php?cmd=down">Down</a><br>
<a href="index2.php?cmd=left">Left</a><br>
<a href="index2.php?cmd=right">Right</a><br>
<a href="index2.php?cmd=select">Select</a><br>
<a href="index2.php?cmd=home">Home</a><br>
<a href="index2.php?cmd=fwd">Forward</a><br>
<a href="index2.php?cmd=back">Rewind</a><br>
<a href="index2.php?cmd=pause">Play/Pause</a><br>
<?php
if (@!$_GET['str'] and @!$_GET['cmd']) {
    exit();
}
include 'telnet.class.php';
                $telnet = new telnet;
                $telnet->set_host("192.168.1.146");
                $telnet->connect();
                usleep(300000);
$cmd = $_GET['cmd'];
if ($cmd == "text") {
    $posa = array (
        "<" => "-1,0",
        ">" => "-1,1",
        " " => "-1,4",
        "a" => "0,0",
        "b" => "0,1",
        "c" => "0,2",
        "d" => "0,3",
        "e" => "0,4",
        "f" => "0,5",
        "g" => "1,0",
        "h" => "1,1",
        "i" => "1,2",
        "j" => "1,3",
        "k" => "1,4",
        "l" => "1,5",
        "m" => "2,0",
        "n" => "2,1",
        "o" => "2,2",
        "p" => "2,3",
        "q" => "2,4",
        "r" => "2,5",
        "s" => "3,0",
        "t" => "3,1",
        "u" => "3,2",
        "v" => "3,3",
        "w" => "3,4",
        "x" => "3,5",
        "y" => "4,0",
        "z" => "4,1",
        "1" => "4,2",
        "2" => "4,3",
        "3" => "4,4",
        "4" => "4,5",
        "5" => "5,0",
        "6" => "5,1",
        "7" => "5,2",
        "8" => "5,3",
        "9" => "5,4",
        "0" => "5,5",
        );
        $str = $_GET['str'];
        $strpos = strpos($str, "[");
        $stra = str_split($str);
        $oldpos = $posa['a'];
        $oldpossa = explode(",", $oldpos);
        foreach ($stra as $val) {
            $pos = $posa[$val];
            $possa = explode(",", $pos);
            $pos1 = $possa['0']-$oldpossa['0'];
            $pos2 = $possa['1']-$oldpossa['1'];
            $telnet->set_prompt(">");
            while ($pos1 != 0 or $pos2 != 0) {
                if ($pos1 < 0) {
                    $telnet->write("press up");
                    //echo "press up";
                    $telnet->wait_prompt();
                    echo "<br>";
                    $pos1++;
                } elseif ($pos1 > 0) {
                    $telnet->write("press down");
                    //echo "press down";
                    $telnet->wait_prompt();
                    echo "<br>";
                    $pos1--;
                }
                if ($pos2 < 0) {
                    $telnet->write("press left");
                    //echo "press left";
                    $telnet->wait_prompt();
                    echo "<br>";
                    $pos2++;
                } elseif ($pos2 > 0) {
                    $telnet->write("press right");
                    //echo "press right";
                    $telnet->wait_prompt();
                    echo "<br>";
                    $pos2--;
                }
            }
            $oldpos = $posa[$val];
            $oldpossa = explode(",", $oldpos);
            $telnet->write("press select");
            //  echo "press select";
            echo "<br>";
        }
    } elseif ($cmd == "up") {
        $telnet->write("press up");
    } elseif ($cmd == "down") {
        $telnet->write("press down");
    } elseif ($cmd == "left") {
        $telnet->write("press left");
    }elseif ($cmd == "right") {
        $telnet->write("press right");
    } elseif ($cmd == "select") {
        $telnet->write("press select");
    } elseif ($cmd == "home") {
        $telnet->write("press home");
    }elseif ($cmd == "fwd") {
        $telnet->write("press fwd");
    } elseif ($cmd == "back") {
        $telnet->write("press back");
    } elseif ($cmd == "pause") {
        $telnet->write("press pause");
    }


?>