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January 7, 2014 09:04
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/**http://www.oschina.net/code/snippet_574366_24869 | |
* Created by JetBrains PhpStorm. | |
* User: lsl | |
* Date: 13-8-28 | |
* Time: 下午2:58 | |
* 敏感词过滤工具类 | |
* 使用方法 | |
* echo FilterTools::filterContent("你妈的我操一色狼杂种二山食物","*",DIR."config/word.txt",$GLOBALS["p_memcache"]["bad_words"]); | |
*/ | |
class FilterTools { | |
public static $keyword = array(); | |
/** | |
* 从文件中加载敏感词 | |
* @param $filename | |
* @return array | |
*/ | |
static function getBadWords($filename){ | |
$file_handle = fopen($filename, "r"); | |
while (!feof($file_handle)) { | |
$line = trim(fgets($file_handle)); | |
array_push(self::$keyword,$line); | |
} | |
fclose($file_handle); | |
return self::$keyword; | |
} | |
/** | |
* @param $content 待处理字符串 | |
* @param $target 替换后的字符 | |
* @param $filename 敏感词配置文件 | |
* @param $memconfig 缓存配置文件 | |
* @return 处理后的字符串 | |
*/ | |
static function filterContent($content,$target,$filename,$memconfig){ | |
$mem = new BadWordsMemcache($filename,$memconfig); | |
$keyword = $mem->getList(); | |
if(count($keyword) == 0){ | |
$keyword = self::getBadWords($filename); | |
} | |
return strtr($content, array_combine( $keyword, array_fill(0,count($keyword), $target))); | |
} | |
} | |
/** | |
* 敏感词缓存处理类 | |
* Class BadWordsMemcache | |
* User: lsl | |
*/ | |
class BadWordsMemcache{ | |
var $memcache; | |
var $key; | |
var $list; | |
var $filename; | |
function __construct($filename,$memconfig) { | |
$this->filename = $filename; | |
if(!class_exists("P_Memcache")){ | |
require_once DIR."lib/memcache.class.php"; | |
} | |
$this->key = "bad_words"; | |
$this->memcache = new P_Memcache(); | |
$this->memcache->config = $memconfig; | |
$this->memcache->connect(); | |
print_r($this->memcache); | |
$this->init(); | |
} | |
function __destruct() { | |
$this->memcache->close(); | |
} | |
/** | |
* 初始化 | |
* @param bool $isReset | |
*/ | |
function init($isReset = false){ | |
$this->list = $this->memcache->get($this->key)?$this->memcache->get($this->key):array(); | |
if(count($this->list)==0 || $isReset){ | |
$this->list = filterTools::getBadWords($this->filename); | |
$this->memcache->set($this->key, $this->list); | |
$log_data = Log::formatData($this->list); | |
Log::logWrite($log_data, 'bad.words','init'); | |
} | |
} | |
/** | |
* 获取列表 | |
* @return mixed | |
*/ | |
function getList(){ | |
return $this->list; | |
} | |
} |
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