Learn how to use the wp_mkdir_p() WordPress PHP function to create directories recursively, set permissions, handle failed directory creation, create a deep sub-directory, create a directory for user uploads, and…
Retrieves info for user lists to prevent multiple queries by get_userdata() .
Learn how to use the WordPress 'clean_post_cache()' PHP function to clear cached content for individual posts, pages, custom post types, multiple posts at once, and after post updates
The `clean_category_cache()` function in WordPress removes the cached category data based on a specific ID passed as an argument