rwmb_meta_boxes
This is the most important filter of Meta Box. It is used to add/remove/edit field groups.
rwmb_normalize_meta_box
This filter is used to normalize field group settings. It's useful when you want to set default values for a field group.
rwmb_normalize_field
This filter is used to normalize field settings. It's useful when you want to set default values for a field.
rwmb_show
This filter is used to decide whether to show a field group.
rwmb_meta
This filter is used to change the returned value of the rwmb_meta() helper function .
rwmb_get_value
This filter is used to change the returned value of the rwmbgetvalue() helper function.
rwmb_the_value
This filter is used to change the returned value of the rwmbthevalue() helper function.
rwmb_shortcode
This filter is used to change the output of [rwmb_shortcode] shortcode.
rwmb_value
This filter is used to change a field value before saving it in the database.
rwmb_outer_html
This filter is used to change the outer HTML output of a field. Outer HTML is the surrounding div (the most outside) of the field.
rwmb_wrapper_html
This filter is used to change the wrapper HTML of a field, e.g. the HTML content inside the ``.
rwmb_begin_html
This filter is used to change the beginning HTML output of a field.
rwmb_end_html
This filter is similar to rwmbbeginhtml and is used to change the ending HTML output of a field.
rwmb_html
This filter is used to change the HTML of the field input.
rwmb_field_meta
This filter is used to change a field value before displaying it in the editing form.
rwmb_choice_label
This filter allows developers to change the label of choice fields (user, post, taxonomy, and taxonomy_advanced).
rwmb_ajax_get_posts
This filter changes the items that the post field gets via Ajax (when ajax is true). The field shows these items in the dropdown when users search or scroll.
rwmb_autocomplete_field
This filter changes the settings of an autocomplete field before the field shows the selected values in the admin.
rwmb_field_class
This filter changes the PHP class that handles a field type. By default, the class name is RWMBField. For example, the text field uses RWMBTextField.
rwmb_meta_box_settings
This filter changes the settings of a meta box (field group) after the plugin normalizes the meta box and its fields. It runs for every meta box, before the meta box shows.
rwmb_validation_message_string
This filter changes the message that shows at the top of the form when validation fails.