function uh($str)
{
$farr = array(
"/\s+/",//过滤多余的空白
"/<(\/?)(script|i?frame|style|html|body|title|link|meta|\?|\%)([^>]*?)>/isU",//过滤
"/(<[^>]*)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 $str;
http://www.bkjia.com/PHPjc/629755.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/629755.htmlTechArticlephp过滤不安全字符函数 function uh($str) { $farr = array( /\s+/,//过滤多余的空白 /(\/?)(script|i?frame|style|html|body|title|link|meta|\?|\%)([^]*?)/isU,//过滤 scr...