<?php

//So the bot doesnt stop.

set_time_limit(0);

ini_set('display_errors', 'on');


    //Example connection stuff.

    $config = array(
        'server' => 'irc.cit2.net',
        'port' => 6667,
        'nick' => 'Naija',
        'name' => 'Naija',
        'pass' => 'YOURPAASSWORDHERE',
    );


class IRCBot {

    //This is going to hold our TCP/IP connection

    var $socket;



    //This is going to hold all of the messages both server and client

    var $ex = array();



    /*

     Construct item, opens the server connection, logs the bot in



     @param array

    */

    function __construct($config)

    {

        $this->socket = fsockopen($config['server'], $config['port']);

        $this->login($config);

        $this->main();

        $this->send_data('JOIN', '#aayush');

    }



    /*

     Logs the bot in on the server



     @param array

    */

    function login($config)

    {

        $this->send_data('USER', $config['nick'].' acidavengers.co.uk '.$config['nick'].' :'.$config['name']);

        $this->send_data('NICK', $config['nick']);

    }



    /*

     This is the workhorse function, grabs the data from the server and displays on the browser

    */

    function main()

    {

        $data = fgets($this->socket, 128);

        echo nl2br($data);

        flush();

        $this->ex = explode(' ', $data);



        if($this->ex[0] == 'PING')

        {

            $this->send_data('PONG', $this->ex[1]); //Plays ping-pong with the server to stay connected.

        }



        $command = str_replace(array(chr(10), chr(13)), '', $this->ex[3]);



        switch($command) //List of commands the bot responds to from a user.

        {

            case ':!join':

                $this->join_channel($this->ex[4]);

                break;



            case ':!quit':

                $this->send_data('QUIT', 'acidavengers.co.uk made Bot');

                break;



            case ':!op':

                $this->op_user();

                break;



            case ':!deop':

                $this->op_user('','', false);

                break;



            case ':!protect':

                $this->protect_user();

                break;

        }



        $this->main();

    }



    function send_data($cmd, $msg = null) //displays stuff to the broswer and sends data to the server.

    {

        if($msg == null)

        {

            fputs($this->socket, $cmd."\r\n");

            echo '<strong>'.$cmd.'</strong><br />';

        } else {

            fputs($this->socket, $cmd.' '.$msg."\r\n");

            echo '<strong>'.$cmd.' '.$msg.'</strong><br />';

        }

    }



    function join_channel($channel) //Joins a channel, used in the join function.

    {

        if(is_array($channel))

        {

            foreach($channel as $chan)

            {

                $this->send_data('JOIN', $chan);

            }

        } else {

            $this->send_data('JOIN', $channel);

        }

    }



    function protect_user($user = '')

    {

        if($user == '')

        {

if(php_version() >= '5.3.0')
            {
                $user = strstr($this->ex[0], '!', true);
            } else {
                $length = strstr($this->ex[0], '!');
                $user   = substr($this->ex[0], 0, $length);
            }
            }

        }



        $this->send_data('MODE', $this->ex[2] . ' +a ' . $user);

    }



    function op_user($channel = '', $user = '', $op = true)

    {

        if($channel == '' || $user == '')

        {

            if($channel == '')

            {

                $channel = $this->ex[2];

            }



            if($user == '')

            {

if(php_version() >= '5.3.0')
            {
                $user = strstr($this->ex[0], '!', true);
            } else {
                $length = strstr($this->ex[0], '!');
                $user   = substr($this->ex[0], 0, $length);
            }
            }

        }



        if($op)

        {

            $this->send_data('MODE', $channel . ' +o ' . $user);

        } else {

            $this->send_data('MODE', $channel . ' -o ' . $user);

        }

    }

}


    $bot = new IRCBot($config);

?>