learndash_get_grammatical_number_label_for_interval()
Function: Get the singular or plural label for recurring payment intervals
Function: Get the singular or plural label for recurring payment intervals
Function: Utility function to check if users can register for the site.
Filter Hook: Filter for users can register.
Function: Builds the `[ld_registration]` shortcode output.
Method: Function to check if metabox should be shown.
Method: Get the Sections associated with the current page.
Method: Show the Page sections sub menu
Method: Get the current Settings Section when using section-as-sub logic.
Method: Function to get a specific setting page instance.
Action Hook: Fires on LearnDash settings page load.
Function: Trial duration field html output for courses
Filter Hook: Filters trial duration settings field html.
Method: Get the Settings Section sub label.
Method: Filter the section saved values.
Filter Hook: Filters whether to show settings section.
Method: Mark a settings page url as deprecated and inform when it has been used.
Action Hook: Fires when a deprecated settings page is called.
Filter Hook: Filters whether to trigger an error for deprecated settings page.
Filter Hook: Filters the redirect URL.
Method: Get the instance of our class based on the metabox_key