​The `get_registered_theme_feature()` function in WordPress allows developers to retrieve the configuration settings for various theme features such as custom headers, post thumbnails, and responsive embeds

​The `get_user_to_edit` function in WordPress retrieves user data and filters it using specific criteria

​The `get_user_details()` function in WordPress retrieves user information, but it is now deprecated

​The `get_user_by_email()` function in WordPress is used to retrieve user information based on their email address

​The `get_userdatabylogin()` function in WordPress allows you to retrieve user information based on their login name

The is_email_address_unsafe() WordPress PHP function checks an email address against a list of banned domains. Usage is_email_address_unsafe( $user_email ) Example: Input: is_email_address_unsafe('[email protected]') Output: false (if 'example.com' is not in the…

Learn how to use the WordPress 'logIO()' PHP function to write logging information to a file, including examples of its usage such as logging successful user logins, failed login attempts,…

Learn how to use the gform_subscription_canceled PHP action hook in Gravity Forms to run custom functions, update orders, downgrade user roles, unsubscribe members from Mailchimp lists, and more.

​The `remove_option_update_handler()` function in WordPress unregisters a setting by removing its update handler