common.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------

// 应用公共文件

/**
 * 敏感词过滤
 *
 * @param  string
 * @return string
 */
function sensitive_words_filter($str)
{
    if (!$str) return '';
    $file = ROOT_PATH. PUBILC_PATH.'/static/plug/censorwords/CensorWords';
    $words = file($file);
    foreach($words as $word)
    {
        $word = str_replace(array("\r\n","\r","\n"," "), '', $word);
        if (!$word) continue;

        $ret = preg_match("/$word/", $str, $match);
        if ($ret) {
            return $match[0];
        }
    }
    return '';
}