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        while ( ($read = socket_read($read_fd, 1024)) )        {            var_dump($read);            switch ( $clients[$index][1] )            {                case 0:                    debug_log("v: %d.", ord($read[0]));                    debug_log("a: %d.", ord($read[1]));                    socket_write($read_fd, "\x05\x01");                    $clients[$index][1]++;                break;                case 1:                    // :o                break;                case 2:                break;            }        }