Question

$ssh = new Net_SSH2($address, $port);
if (!$ssh->login($user, $pass)) {
    exit('Login Failed');
}

echo "<pre>";

$ssh->setTimeout(5);
echo $ssh->read();
$ssh->write($app_name);
$ssh->write("\n \n \n b");
$ssh->write($f_one); // This is where I need to hit F1
echo $ssh->read();

I’ve searched and found chr() might be my solution but the decial character code for the function keys includes a comma (is a pair: 00,59) which chr() splits as separate arguments and fails.

This is where I found the decimal pair, if it’s correct.
http://www.jimprice.com/jim-asc.shtml#keycodes

Following a post in this thread.
http://www.velocityreviews.com/forums/t277457-re-ascii-code-for-functions-keys-f1-f12-and-tab-key.html

Any help or a point in the right direction would be greatly appreciated.

Answer 1

The key code list you’re looking at is talking about keyboard scan codes, which are something completely different and unrelated.

The VT100 sequences for function keys are… complicated. F1 through F4 are typically sent as:

F1: \x1bOP
F2: \x1bOQ
F3: \x1bOR
F4: \x1bOS

However, this pattern does not hold for subsequent function keys. For a more complete list, see http://rtfm.etla.org/xterm/ctlseq.html (search for “12 function keys”, note that CSI represents the sequence \x1b[.)