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‎README

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IRC Class
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A simple PHP IRC class that is in the workings.
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Can be used for many things, including bots.
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Do what you want, clone and push if you want changes to be made to this repo or just
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work with it on your own.
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No license, just do what you want with it.

‎config.php

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<?php
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// This file contains all the constants
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define(IRC_HOST, "irc.freenode.org");
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define(IRC_PORT, "6667");
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?>

‎irc.php

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<?php
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// Set the timeout limit so the page wont timeout
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set_time_limit(0);
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$channel = "";
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// IRC Class
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include("irc_class.php");
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// Config
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include("config.php");
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// Create an instance of the IRC class
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$irc = new ConnectIrc(IRC_HOST, IRC_PORT);
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// Echo out the server and port
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echo "IRC Server: {$irc->server}<br />Port: {$irc->port}<br />";
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echo "<pre>";
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// Open socket
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if ( $irc->openSocket() ) {
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// Set password (leaving it blank defines no password)
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$irc->setPassword();
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// Set nick/user
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//$username = $_GET['nick'];
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if (isset($_GET['nick']))
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$username = $_GET['nick'];
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else
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$username = "LeonBot";
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$irc->setNick($username);
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$irc->setUser($username);
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// While you are connected to the server
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while ( $irc->connected() ) {
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// Print out the read buffer
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$buffer = $irc->showReadBuffer();
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//echo $buffer."\n\r";
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// Here is where you test for certain conditions
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$irc->returnLastSaid($message);
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$params = trim($message[PARAMS]);
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switch ($message[COMMAND])
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{
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// Shutting down
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case "!gtfo":
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echo "Shutting down\n\r";
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$irc->closeConnection(); exit;
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break;
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// Saying hello
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case "!hello":
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echo "Saying hello to {$message[WHERE]}\n\r";
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$irc->say("Hey, {$message[SENDER]}!", $message[WHERE]);
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break;
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// Handles joining rooms
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case "!join":
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echo "Joining {$params}\n\r";
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$channel = $params;
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$irc->joinChannel($channel);
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break;
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// handles parting rooms
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case "!part":
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echo "Leaving {$params}\n\r";
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$channel = $params;
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$irc->partChannel($channel);
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break;
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// changing nickname
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case "!nick":
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echo "Changing nick to {$params}\n\r";
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$irc->setNick($params);
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break;
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// grabbing someone's twitter status
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case "!twitter":
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echo "Grabbing status for {$params}\n\r";
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, "http://api.twitter.com/1/statuses/user_timeline/{$params}.json");
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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$json = curl_exec($ch);
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curl_close($ch);
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$jsonObject = json_decode($json);
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$status = $jsonObject[0]->text;
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echo "Got latest Tweet from {$params}\n\t-> {$status}";
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$irc->say("{$status}", $message[WHERE]);
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break;
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// for anything else ...
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default:
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if (strtolower($message[COMMAND]) == strtolower($irc->nick) ||
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strstr(strtolower($params), strtolower($irc->nick)))
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$irc->say("What the fuck do you want, {$message[SENDER]}?", $message[WHERE]);
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break;
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}
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// Handle the ping pong
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$irc->handlePingPong();
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// Flush the buffer
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$irc->flushIrc();
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}
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// Close the connection
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if ( $irc->closeConnection() ) {
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echo "<br />Connection closed... ";
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} else {
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echo "<br />Connection had a problem closing... wait wtf?";
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}
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}
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?>

‎irc_class.php

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<?php
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define(FULL_STRING, 0);
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define(SENDER, 1);
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define(CLIENT, 2);
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define(HOST_INFO, 3);
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define(WHERE, 4);
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define(COMMAND, 5);
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define(PARAMS, 6);
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// ConnectIRC Class
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class ConnectIrc {
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// Variables
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public $server;
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public $port;
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public $channel;
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public $password = "NOPASS";
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public $nick;
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public $socket;
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public $errno;
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public $errstr;
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public $timeout = 2;
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public $rbuffer;
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// Constructor
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function __construct($server, $port) {
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$this->server = $server;
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$this->port = $port;
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}
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// Open socket
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function openSocket() {
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$this->socket = fsockopen($this->server,
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$this->port,
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$this->errno,
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$this->errstr,
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$this->timeout);
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return $this->socket;
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}
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// Set channel
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function setChannel($channel) {
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$this->channel = $channel;
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}
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// Set nick
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function setNick($nick) {
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$this->nick = $nick;
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$this->sendCommand("NICK {$this->nick}\n\r");
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}
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function setUser($nick) {
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$this->sendCommand("USER {$this->nick} {$this->nick} {$this->nick} {$this->nick} :{$this->nick} \n\r");
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}
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// Set password
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function setPassword($password=false) {
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if ($password == true) {
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$this->password = $password;
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}
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$this->sendCommand("PASS {$this->password}\n\r");
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}
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// Talk in the chat
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function say($message, $who)
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{
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$this->sendCommand("PRIVMSG {$who} :{$message}\n\r");
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}
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// Return connected status
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function connected() {
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return !feof($this->socket);
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}
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// Send command
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function sendCommand($command) {
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fputs($this->socket, $command, strlen($command));
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}
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// Join channel
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function joinChannel($channel) {
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$this->sendCommand("JOIN {$channel}\n\r");
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}
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// Part channel
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function partChannel($channel) {
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$this->sendCommand("PART {$channel}\n\r");
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}
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// Handle the ping pong
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function handlePingPong() {
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if (substr($this->rbuffer, 0, 6) == "PING :") {
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$this->sendCommand("PONG: " . substr($this->rbuffer, 6) . "\n\r");
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}
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}
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// Return the read buffer
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function showReadBuffer() {
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$this->rbuffer = fgets($this->socket, 1024);
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$line = "[RECIVE] '".$this->rbuffer."'<br />\n\r";
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return $line;
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}
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// Returns an array with the last message
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function returnLastSaid(&$message)
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{
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$needle = "/^:([a-zA-Z0-9_\-]+)!([a-zA-Z0-9_\-~]+)[@]([a-zA-Z0-9_\-\.]+) PRIVMSG ([#a-zA-Z0-9\-_]+) :([a-zA-Z!]+)(.*)$/";
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preg_match($needle, $this->rbuffer, $message);
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}
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// Flush connection
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function flushIrc() {
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flush();
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}
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// Close the connection
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function closeConnection() {
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if (fclose($this->socket)) {
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return true;
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} else {
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return false;
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}
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}
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}
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?>

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