Lol

<?php

namespace Kitsune\ClubPenguin\Plugins\AntiAd;

use Kitsune\Logging\Logger;
use Kitsune\ClubPenguin\Packets\Packet;
use Kitsune\ClubPenguin\Plugins\Base\Plugin;

final class AntiAd extends Plugin {

	public $worldHandlers = array(
		"s" => array(
			"m#sm" => array("handleSendMessage", self::Before),
			"u#umo" => array("handleUpdatePlayerMood", self::Before) // you could remove this if you don't have moods/statuses
		)
	);

	public $xmlHandlers = array(null);

	public $urls = array();
	public $excludables = array();


	public function __construct($server) {
		$this->server = $server;
		$this->urls = array('fuck', 'bitch', 'cunt', 'blowjob', 'nigga', 'nigger', 'ngr', 'n1gger', 'faggot', 'fgt', 'sex', 's3x', '$3x', '$ex', 'anal', 'boob', 'boobs', 'penis', 'dick', 'd1ck'); //domains to be blocked
	}

	public function onReady() {
		parent::__construct(__CLASS__);

		foreach($this->urls as $url) {
			$url = explode(".", $url);
			$this->urls[] = implode("", $url);
			if(!in_array($url[0], $this->excludables)) {
				$this->urls[] = $url[0];
			}
		}

		Logger::Info("AntiAd Ready!");
	}

	public function handleSendMessage($penguin) {
		$message = Packet::$Data[3];

		$firstCharacter = substr($message, 0, 1);
		if($firstCharacter == "!" && $penguin->moderator) {
			return; //just incase you want to do !KICK or !BAN and the user has a blocked domain in their name
		}

		if(!$this->check($message)) {
			//packet has not been 'received'
			Packet::$Extension = null;
		}
	}

	public function handleUpdatePlayerMood($penguin) {
		$mood = Packet::$Data[2];

		if(!$this->check($mood)) {
			//packet has not been 'received'
			Packet::$Extension = null;
		}
	}

	private function check($string) {
		$normalizeChars = array(
			'Š'=>'S', 'š'=>'s', 'Ð'=>'Dj','Ž'=>'Z', 'ž'=>'z', 'À'=>'A', 'Á'=>'A', 'Â'=>'A', 'Ã'=>'A', 'Ä'=>'A',
			'Å'=>'A', 'Æ'=>'A', 'Ç'=>'C', 'È'=>'E', 'É'=>'E', 'Ê'=>'E', 'Ë'=>'E', 'Ì'=>'I', 'Í'=>'I', 'Î'=>'I',
			'Ï'=>'I', 'Ñ'=>'N', 'Ń'=>'N', 'Ò'=>'O', 'Ó'=>'O', 'Ô'=>'O', 'Õ'=>'O', 'Ö'=>'O', 'Ø'=>'O', 'Ù'=>'U', 'Ú'=>'U',
			'Û'=>'U', 'Ü'=>'U', 'Ý'=>'Y', 'Þ'=>'B', 'ß'=>'Ss','à'=>'a', 'á'=>'a', 'â'=>'a', 'ã'=>'a', 'ä'=>'a',
			'å'=>'a', 'æ'=>'a', 'ç'=>'c', 'è'=>'e', 'é'=>'e', 'ê'=>'e', 'ë'=>'e', 'ì'=>'i', 'í'=>'i', 'î'=>'i',
			'ï'=>'i', 'ð'=>'o', 'ñ'=>'n', 'ń'=>'n', 'ò'=>'o', 'ó'=>'o', 'ô'=>'o', 'õ'=>'o', 'ö'=>'o', 'ø'=>'o', 'ù'=>'u',
			'ú'=>'u', 'û'=>'u', 'ü'=>'u', 'ý'=>'y', 'ý'=>'y', 'þ'=>'b', 'ÿ'=>'y', 'ƒ'=>'f',
			'ă'=>'a', 'î'=>'i', 'â'=>'a', 'ș'=>'s', 'ț'=>'t', 'Ă'=>'A', 'Î'=>'I', 'Â'=>'A', 'Ș'=>'S', 'Ț'=>'T',
		);
		$string = strtr($string, $normalizeChars);

		$string = strtolower($string);

		$old = $string;
		$string .= preg_replace("/(.)\\1+/", "$1", $old);

		$string = preg_replace("/[^A-Za-z0-9]/", "", $string);

		$english = array("a", "e", "s", "a", "o", "t", "l", "H", "W", "M", "D", "V", "x", ".");
		$leet = array("4", "3", "z", "4", "0", "+", "1", "|-|", "\\/\\/", "|\\/|", "|)", "\\/", "><", "dot");

		$string = str_replace($leet, $english, $string);

		foreach($this->urls as $url) {
			if(strpos($string, $url) !== false){
				return false;
			}

			$url = preg_replace("/(.)\\1+/", "$1", $url);
			if(strpos($string, $url) !== false &&  $url != $old) {
				return false;
			}
		}

		return true;
	}
}