Zie voor wat PHP onveiligheid naar de volgende code Dit in reactie op sommige posters hier.... usage : function html_filter($content, &$result, $mode, &$Warning,$AllowedTags='',&$MissingTags) Where : - $content is the original string content. - $result is the filtered output string. - $mode is a bitmask that define the behaviour of the function. - $Warning is a returned array of warning messages describing every change done to $content. - $AllowedTags is a list of tags that are allowed to be present in content with their eventual allowed attributes. - $MissingTags is a returned string that will contain any closing tag that is missing from $content. $mode must be defined as (MODE_STRIP|MODE_REPLACE) | (MODE_ALL|MODE_PARTIAL) (MODE_STRIP|MODE_REPLACE) : define the action to be taken when filtering. Either strip or replace (MODE_ALL|MODE_PARTIAL) : define which tags are allowed. MODE_ALL mean filter all tags. MODE_PARTIAL allows tags in ...