HTML Purifier

HTML Purifier 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, something only achievable with a comprehensive knowledge of W3C`s specifications.Tired of using BBCode due to the current landscape of deficient or insecure HTML filters? Have a WYSIWYG editor but never been able to use it? Looking for high-quality, standards-compliant, open-source components for that application you`re building? HTML Purifier is for you! HTML Purifier 4.2.0 released: HTML Purifier 4.2.0 is a minor release that implements a number of feature requests accumulated over half a year. New configuration options include %Core.RemoveProcessingInstructions,%CSS.ForbiddenProperties,%HTML.FlashAllowFullScreen and%Core.NormalizeNewlines. Additionally%URI.DisableResources is now functional and file: is an optionally supported URI scheme.There are also some minor bugfixes, usability improvements and documentation updates.