Using WordPress ‘comment_footer_die()’ PHP function
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
Users
Using WordPress ‘cache_users()’ PHP function
Retrieves info for user lists to prevent multiple queries by get_userdata() .
Using WordPress ‘bool_from_yn()’ PHP function
Learn how to use the WordPress 'bool_from_yn()' PHP function that determines if an input is 'yes' or 'no'
Using WordPress ‘add_user()’ PHP function
Creates a new user from the “Users” form using §_POST information.
Using WordPress ‘auth_redirect()’ PHP function
Checks if a user is logged in, if not it redirects them to the login page.
Using WordPress ‘allowed_tags()’ PHP function
Displays all of the allowed tags in HTML format with attributes.
Using WordPress ‘admin_url()’ PHP function
Retrieves the URL to the admin area for the current site.
Using WordPress ‘admin_created_user_email()’ PHP function
Learn how to use the WordPress 'admin\_created\_user\_email()' PHP function to send customized notifications to newly-created users.
Using WordPress ‘admin_color_scheme_picker()’ PHP function
Displays the default admin color scheme picker (Used in user-edit.php).