Nice description of differences between escaping, validating and santising data .. http://vip.wordpress.com/2011/10/13/key-differences-between-validation-and-sanitization/ (read the comments too)
Nice description of differences between escaping, validating and santising data .. http://vip.wordpress.com/2011/10/13/key-differences-between-validation-and-sanitization/ (read the comments too)