Htmlpurifier and the CodeIgniter framework

Intro
HtmlPurifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant.
Although Codeigniter comes with it’s own XSS filtering method $this->input->xss_clean() I prefer the use of [...]