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php过滤不安全字符函数

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Release: 2016-06-13 10:11:18
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php过滤不安全字符函数

function uh($str)
{
    $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
    );
   $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",
   );

  $str = preg_replace($farr,$tarr,$str);
  return $str;

source:php.cn
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