This symfony plugin contains a validator for HTML content. It strips out any unwanted tags, attributes and entities, and ensures the markup is well-formed.

To see the options available, check the code in skValidatorHTML::configure().

skHTMLValidatorPlugin by Studio Skylab

This code is released under the Creative Commons Attribution-ShareAlike 3.0 License.

All the hard work was done by the following:

• Cal Henderson — The lib_filter class upon which this plugin is based
• Jang Kim — Support for single quoted attributes
• Dan Bogan — Entity decoding outside attributes