Learn how to use the WordPress 'clean_url' function to clean URLs in your website, including basic usage, using specific protocols, for resources, with custom protocols, and with multiple protocols
The `comment_footer_die()` function in WordPress displays an error message at the bottom of the comments page when certain conditions aren't met, such as length or spam content
Learn how to use the WordPress 'body_class()' PHP function to add unique CSS classes to various parts of your website using conditional statements in this informative article