Settings API (category)
| add_settings_error() | Register a settings error to be displayed to the user |
| add_settings_field() | Add a new field to a section of a settings page |
| add_settings_section() | Add a new section to a settings page. |
| do_settings_fields() | Print out the settings fields for a particular settings section |
| do_settings_sections() | Prints out all settings sections added to a particular settings page |
| get_settings_errors() | Fetch settings errors registered by add_settings_error() |
| register_setting() | Registers a new option and a callback function to handle the option value when it is saved to the database. |
| settings_errors() | Display settings errors registered by add_settings_error(). |
| settings_fields() | Output nonce, action, and option_page fields for a settings page. |
| unregister_setting() | Unregister a setting. |