Akismet_Admin::modify_plugin_description() – When Akismet is active, remove the "Activate Akismet" step from the plugin description.
Akismet::delete_old_comments_meta() – Determines how many days a comment will be left in the Spam queue before being deleted.
Akismet::disable_moderation_emails_if_unreachable() – If Akismet is temporarily unreachable, we don’t want to "spam" the blogger with moderation emails for comments that will be automatically cleared or spammed on the next retry.
Akismet::is_test_mode() – To disable the Akismet comment nonce, add a filter for the ‘akismet_comment_nonce’ tag and return any string value that is not ‘true’ or ” (empty string).
Twenty_Twenty_One_Dark_Mode::admin_body_classes() – Adds a class to the <body> element in the editor to accommodate dark-mode.
Twenty_Twenty_One_Dark_Mode::customize_controls_enqueue_scripts() – Enqueue scripts for the customizer.
Twenty_Twenty_One_Dark_Mode::editor_custom_color_variables() – Editor custom color variables & scripts.
Twenty_Twenty_One_Dark_Mode::switch_should_render() – Determine if we want to print the dark-mode switch or not.
twenty_twenty_one_entry_meta_footer() – Prints HTML with meta information for the categories, tags and comments.
twentyfifteen_search_form_modify() – Add a `screen-reader-text` class to the search form’s submit button.
twentynineteen_add_mobile_parent_nav_menu_items() – Create a nav menu item to be displayed on mobile to navigate from submenu back to the parent.
