| 标题 | php实现过滤敏感词 |
| 内容 | php实现过滤敏感词，具体代码如下： <?php /** * 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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