Using WordPress ‘add_site_meta()’ PHP function
The `add_site_meta()` function in WordPress allows adding custom metadata to a specific site using its ID, meta key, value, and optionally making it unique
PHP
Using WordPress ‘add_shortcode()’ PHP function
The `add_shortcode()` function in WordPress allows developers to create their own custom shortcodes using a callable function and optional attributes
Using WordPress ‘add_settings_section()’ PHP function
The `add_settings_section()` function in WordPress allows developers to create custom settings sections and fields for their website's administrative interface
Using WordPress ‘add_settings_field()’ PHP function
Adds a new field to a section of a settings page.
Using WordPress ‘add_settings_error()’ PHP function
Registers a settings error to be displayed to the user.
Using WordPress ‘add_rewrite_tag()’ PHP function
The article provides information on how to use the WordPress `add_rewrite_tag()` function to add a custom data in the URL of your website by calling it within an 'init' hook
Using WordPress ‘add_rewrite_endpoint()’ PHP function
The `add_rewrite_endpoint()` function in WordPress adds an endpoint to the rewrite system, allowing developers to create custom endpoints with specific rules and parameters
Using WordPress ‘add_rewrite_rule()’ PHP function
Adds a rewrite rule that transforms a URL structure to a set of query vars.
Using WordPress ‘add_query_arg()’ PHP function
The `add_query_arg()` function in WordPress allows you to dynamically modify URLs by adding query parameters using a simple syntax