Dougal Campbell's geek ramblings

WordPress, web development, and world domination.

Cleaning up HTML

Quite some time ago, I coded up a PHP function that attempts to filter out potential nastiness in comments posted to MyPHPBlog sites (like this one). It’s mainly to keep people from injecting javascript into comments which could trigger Cross-Site Scripting problems. But I’ve never been completely satisfied with my solution. What I really wanted was a function that would not only filter for security, but would also turn the input into valid XHTML, automagically.

Simon Willison has come up with something that is a step in that direction: safeHtmlChecker. It’s a PHP class which will parse a chunk of XHTML and return a list of errors. But I want a class that will auto-correct the errors. Maybe it’s time to call upon the power of LazyWeb? Yes, I think it is….

LazyWeb, I invoke thee!

About Dougal Campbell

Dougal is a web developer, and a "Developer Emeritus" for the WordPress platform. When he's not coding PHP, Perl, CSS, JavaScript, or whatnot, he spends time with his wife, three children, a dog, and a cat in their Atlanta area home.
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