For the latest version of my WordPress plugin (version 0.6) I have added various actions and filters to allow anyone to create addons or to extend the plugins functionality without having to edit the core.
Actions
‘mpd_before_core’ | inc/core.php | Perform actions just before duplication begins |
‘mpd_during_core_in_source’ | inc/core.php | Just after data has been collected form source post but before we being to process the new post |
‘mpd_end_of_core’ | inc/core.php | Immediately after all duplication actions have been performed |
‘mpd_before_metabox_content’ | inc/postform_ui.php | Before the metabox markup is displayed |
‘mpd_after_metabox_content’ | inc/postform_ui.php | After the metabox markup is displayed |
‘mdp_start_plugin_setting_page’ | in/settings-ui.php | After settings page has been registered but before and settings fields have been generated |
‘mdp_end_plugin_setting_page’ | in/settings-ui.php | After all core setting fields have been registered |
Filters
‘mpd_activation_options’ | mpd.php | add/edit/delete the option fields added on activation of plugin |
‘mdp_default_options’ | mpd.php | add/edit/delete the default values of each setting in mpd |
‘mpd_is_active’ | various locations | change logic determining if plugin tools are available or not |
‘mpd_setup_destination_data’ | inc/core.php | Hook into the post values for the destination post |
‘mpd_returned_information’ | inc/core.php | add/edit/delete the information on the created post returned by the core function |
‘mpd_ignore_post_types’ | inc/mpd-functions.php | Hook into the array which stores the post types that the mpd metabox will not display on. |
‘mpd_featured_image’ | inc/mpd-functions.php | Filter details on the copied featured image |
‘mpd_featured_image_filename’ | inc/mpd-functions.php | Do stuff with the copied featured image’s filename only |
‘mpd_alt_tag_array_from_post_content’ | inc/mpd-functions.php | Do stuff with the alt tags for the images within the new post content |
‘mpd_admin_notice_text’ | inc/mpd-functions.php | Hook into the ‘success’ admin notice. |
‘mpd_global_filter_sites’ | inc/mpd-functions.php | Control the sites on your network that appear in the MPD functionality |
‘mpd_show_settings_page’ | inc/settings-ui.php | Control the logic that determines when to show the Settings page |
‘mpd_source_data’ | inc/core.php | Control the source data being added to the core duplication process |
‘mpd_available_post_statuses’ | inc/mpd-functions.php | Control what post statuses are available to the user |
Please note that this is a very brief summary of the filters and actions, for greater detail into parameters and data that you can gain access to with these hooks please check the source code.