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php过滤不安全的html 程序

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2016-06-13 10:11:24949browse

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function uh($str)

$tarr = array(
        " ",
        "<\\1\\2\\3>",           //如果要直接清除不安全的标签,这里可以留空
        "\\1\\2",
   );


    $farr = array(
        "/\s+/",                                                                                            //过滤多余的空白
        "/]*?)>/isU",  //过滤 <script></script>         "/(]*)on[a-zA-Z]+\s*=([^>]*>)/isU",                                      //过滤javascript的on事件
     
   ); 
   
  $str = preg_replace( $farr,$tarr,$str);
   return $str;
}

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