Connects to an IRC server you specify and idles. Basically this is a frame for an IRC bot.

<?php
class Client
{
   var $server;

   function server($dstaddr=NULL)
   {
      if (!$dstaddr)
      {
         return $this->server;
      }
      $this->server = $dstaddr;
   }

   var $port;

   function port($dstport=NULL)
   {
      if (!$dstport)
      {
         return $this->port;
      }
      $this->port = $dstport;
   }

   var $nick;

   function nick($alias=NULL)
   {
      if (!$alias)
      {
         return $this->nick;
      }
      $this->nick = $alias;
   }

   var $ident;

   function ident($user=NULL)
   {
      if (!$user)
      {
         return $this->ident;
      }
      $this->ident = $user;
   }

   var $gecos;

   function gecos($name=NULL)
   {
      if (!$name)
      {
         return $this->gecos;
      }
      $this->gecos = $name;
   }

   var $fd;
   var $BUFFER_SIZE = 512;

   function run()
   {
      $canonical = gethostbyname($this->server());

      if ($canonical == $this->server())
      {
         return;
      }

      $this->fd = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

      if (!$this->fd)
      {
         return;
      }

      $err = socket_connect($this->fd, $this->server(), $this->port());

      if (!$err)
      {
         return;
      }

      socket_write($this->fd, "NICK " . $this->nick() . "\r\n");
      socket_write($this->fd, "USER " . $this->ident() . " \"\" \"\" :" . $this->gecos() . "\r\n");

      while (($in = socket_read($this->fd, $this->BUFFER_SIZE)))
      {
         if (preg_match("/^PING (:[^ ]+)$/i", $in, $regex))
         {
            socket_write($this->fd, "PONG " . $regex[0] . "\r\n");
         }
      }
   }
}
?>

<?php
$client = new Client();
$client->server("irc.kingskrown.com");
$client->port(6667);
$client->nick("php");
$client->ident("svs");
$client->gecos("php");
$client->run();
?>