作者:手机用户2502859805 | 来源:互联网 | 2014-05-27 11:48
$descclearstr_replace(\r,,$descclear);//过滤换行$descclearstr_replace(\n,,$descclear);//过滤换行$descclearstr_replace(\t,,$descclear);//过滤换行$descclearstr_replace(\r\n,,
$descclear = str_replace("\r","",$descclear);//过滤换行
$descclear = str_replace("\n","",$descclear);//过滤换行
$descclear = str_replace("\t","",$descclear);//过滤换行
$descclear = str_replace("\r\n","",$descclear);//过滤换行
$descclear=preg_replace("/\s+/", " ", $descclear);//过滤多余回车
$str=preg_replace("/<[ ]+/si","<",$str);
//过滤<__("<"号后面带空格)
$str=preg_replace("/<\!--.*?-->/si","",$str); //注释
$str=preg_replace("/<(\!.*?)>/si","",$str); //过滤DOCTYPE
$str=preg_replace("/<(\/?html.*?)>/si","",$str);
//过滤html标签
$str=preg_replace("/<(\/?head.*?)>/si","",$str);
//过滤head标签
$str=preg_replace("/<(\/?meta.*?)>/si","",$str);
//过滤meta标签
$str=preg_replace("/<(\/?body.*?)>/si","",$str);
//过滤body标签
$str=preg_replace("/<(\/?link.*?)>/si","",$str);
//过滤link标签
$str=preg_replace("/<(\/?form.*?)>/si","",$str);
//过滤form标签
$str=preg_replace("/COOKIE/si","COOKIE",$str); //过滤COOKIE标签
$str=preg_replace("/<(applet.*?)>(.*?)<(\/applet.*?)>/si","",$str);
//过滤applet标签
$str=preg_replace("/<(\/?applet.*?)>/si","",$str);
//过滤applet标签
$str=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$str);
//过滤style标签
$str=preg_replace("/<(\/?style.*?)>/si","",$str);
//过滤style标签
$str=preg_replace("/<(title.*?)>(.*?)<(\/title.*?)>/si","",$str);
//过滤title标签
$str=preg_replace("/<(\/?title.*?)>/si","",$str);
//过滤title标签
$str=preg_replace("/<(object.*?)>(.*?)<(\/object.*?)>/si","",$str);
//过滤object标签
$str=preg_replace("/<(\/?objec.*?)>/si","",$str);
//过滤object标签
$str=preg_replace("/<(noframes.*?)>(.*?)<(\/noframes.*?)>/si","",$str);
//过滤noframes标签
$str=preg_replace("/<(\/?noframes.*?)>/si","",$str);
//过滤noframes标签
$str=preg_replace("/<(i?frame.*?)>(.*?)<(\/i?frame.*?)>/si","",$str);
//过滤frame标签
$str=preg_replace("/<(\/?i?frame.*?)>/si","",$str);
//过滤frame标签
$str=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$str);
//过滤script标签
$str=preg_replace("/<(\/?script.*?)>/si","",$str);
//过滤script标签
$str=preg_replace("/Javascript/si","Javascript",$str);
//过滤script标签
$str=preg_replace("/Vbscript/si","Vbscript",$str); //过滤script标签
$str=preg_replace("/on([a-z]+)\s*=/si","On\\1=",$str);
//过滤script标签
$str=preg_replace("/&#/si","&#",$str);
//过滤script标签,如Javascript:alert(
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$pat =
"/<(\/?)(script|i?frame|style|html|body|li|i|map|title|img|link|span|u|font|table|tr|b|marquee|td|strong|div|a|meta|\?|\%)([^>]*?)>/isU";
$descclear = preg_replace($pat,"",$desc);