php正则过滤html标签、空格、换行符的代码(附说明)_PHP教程
- WBOY原创
- 2016-07-21 15:33:56839浏览
复制代码 代码如下:
$str=preg_replace("/\s+/", " ", $str); //过滤多余回车
$str=preg_replace("/
$str=preg_replace("//si","",$str); //注释
$str=preg_replace("//si","",$str); //过滤DOCTYPE
$str=preg_replace("//si","",$str); //过滤html标签
$str=preg_replace("//si","",$str); //过滤head标签
$str=preg_replace("//si","",$str); //过滤meta标签
$str=preg_replace("//si","",$str); //过滤body标签
$str=preg_replace("//si","",$str); //过滤link标签
$str=preg_replace("//si","",$str); //过滤form标签
$str=preg_replace("/cookie/si","COOKIE",$str); //过滤COOKIE标签
$str=preg_replace("/(.*?)/si","",$str); //过滤applet标签
$str=preg_replace("//si","",$str); //过滤applet标签
$str=preg_replace("/(.*?)/si","",$str); //过滤style标签
$str=preg_replace("//si","",$str); //过滤style标签
$str=preg_replace("/(.*?)/si","",$str); //过滤title标签
$str=preg_replace("//si","",$str); //过滤title标签
$str=preg_replace("/(.*?)/si","",$str); //过滤object标签
$str=preg_replace("//si","",$str); //过滤object标签
$str=preg_replace("/(.*?)/si","",$str); //过滤noframes标签
$str=preg_replace("//si","",$str); //过滤noframes标签
$str=preg_replace("/(.*?)/si","",$str); //过滤frame标签
$str=preg_replace("//si","",$str); //过滤frame标签
$str=preg_replace("/(.*?)/si","",$str); //过滤script标签
$str=preg_replace("//si","",$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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