#!/usr/bin/php
<?php

  require("cbot.php");

  if (empty($argv[1]))
  {
    die("Usage: bot2bot <start phrase>\n");
  }

  $bots = array(new CBot(), new CBOt());

  $resp = $argv[1];
  $bots[1]->say($resp, false);

  $cbot = -1;
  while (true)
  {
    $cbot++;
    if ($cbot == 2) $cbot = 0;

    echo "Bot ".($cbot + 1).": $resp\n";
    $resp = $bots[$cbot]->say($resp);
  }