PHP completely filters HTML, JS, CSS and other tags_PHP tutorial

I remember writing an article before
php effectively filters html tags, js code, css style tags:

Copy the code The code is as follows:

$str = preg_replace( "@@is", "", $str );
$str = preg_replace( "@@is", "", $str );
$str = preg_replace( "@$str = preg_replace( "@<(.*?)>@is", "", $str );
?>

are all regular filtering HTML tags, but today they are not easy to use. The reason is that the tags are escaped. For example,
. This is what is displayed on the page. But the source file is displayed like this: "——But we can still deal with it, first decompile all the contents. Then filter it.

Copy code The code is as follows:

$str= htmlspecialchars_decode($str);

Using the htmlspecialchars_decode function is to convert the source file into a tag like <>. Then":

Copy code The code is as follows:

$str= preg_replace("/<(.*?)> ;/","",$str);

http://www.bkjia.com/PHPjc/319819.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/319819.htmlTechArticleI remember I wrote an article before that php can effectively filter html tags, js code, css style tags: Copy code code As follows: ?php $str = preg_replace( "@script(.*?)/script@is", "", $str ); $str...