Using WordPress ‘add_post_type_support()’ PHP function
Registers support of certain features for a post type.
HTTPS
Using WordPress ‘confirm_user_signup()’ PHP function
Shows a message confirming that the new user has been registered and is awaiting activation.
Using WordPress ‘add_ping()’ PHP function
The `add_ping()` function in WordPress allows users to add URLs to the list of pings for a particular post or page
Using WordPress ‘convert_chars()’ PHP function
Converts lone & characters into & (a.k.a. &)
Using WordPress ‘content_url()’ PHP function
Learn how to use the WordPress 'content_url' function to generate URLs related to the content directory, including examples of using it to display the URL of the plugins folder or…
Using WordPress ‘add_option_whitelist()’ PHP function
Adds an array of options to the list of allowed options.
Using WordPress ‘add_link()’ PHP function
Learn how to use the deprecated add_link() WordPress function to add new links programmatically with user input
Using WordPress ‘add_existing_user_to_blog()’ PHP function
Adds a user to a blog based on details from maybe_add_existing_user_to_blog() .
Using WordPress ‘addslashes_strings_only()’ PHP function
Adds slashes only if the provided value is a string.