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__ngettext_noop() – Register plural strings in POT file, but don’t translate them.

__ngettext() – Retrieve the plural or single form based on the amount.

__return_null() – Returns null.

_admin_notice_post_locked() – Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.

_autop_newline_preservation_helper() – Newline preservation help function for wpautop

_get_non_cached_ids() – Retrieve IDs that are not already present in the cache.

_is_valid_nav_menu_item() – Return if a menu item is valid.

_local_storage_notice() – Output the HTML for restoring the post data from DOM storage

_n_noop() – Registers plural strings in POT file, but does not translate them.

_n() – Translates and retrieves the singular or plural form based on the supplied number.

_nav_menu_item_id_use_once() – Prevents a menu item ID from being used more than once.

_navigation_markup() – Wraps passed links in navigational markup.

_nc() – Legacy version of _n(), which supports contexts.

_network_admin_menu – action

_nx_noop() – Registers plural strings with gettext context in POT file, but does not translate them.

_nx() – Translates and retrieves the singular or plural form based on the supplied number, with gettext context.

_page_traverse_name() – Traverse and return all the nested children post names of a root page.

_prime_network_caches() – Adds any networks from the given IDs to the cache that do not already exist in cache.

_sort_name_callback() – Callback to sort array by a ‘name’ key.

_sort_nav_menu_items() – Sort menu items by the desired key.

_usort_terms_by_name() – Sort categories by name.

_wp_check_split_nav_menu_terms() – If the term being split is a nav_menu, change associations.

_wp_expand_nav_menu_post_data() – If a JSON blob of navigation menu data is in POST data, expand it and inject it into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.

_wp_nav_menu_meta_box_object() – Adds custom arguments to some of the meta box object types.

_wp_object_name_sort_cb() – Serves as a callback for comparing objects based on name.

_wp_posts_page_notice() – Output a notice when editing the page for posts (internal use only).

$field_no_prefix_edit_pre – filter

$field_no_prefix_save_pre – filter

$taxonomy_term_new_form_tag – action

add_network_option() – Add a new network option.

add_new_user_to_blog() – Adds a newly created user to the appropriate blog

add_option_new_admin_email – action

add_site_option_new_admin_email – action

admin_head-nav-menus.php – action

admin_notices – action

admin_post_nopriv – action

admin_post_nopriv_$action – action

admin_print_scripts-post-new.php – action

admin_xml_ns – action

all_admin_notices – action

atom_comments_ns – action

atom_ns – action

AtomParser::end_ns() –

AtomParser::is_declared_content_ns() –

AtomParser::ns_to_prefix() –

AtomParser::start_ns() –

block_editor_no_javascript_message – filter

browse-happy-notice – filter

can_edit_network – filter

can_edit_network() – Whether or not we can edit this network from this page.

check_import_new_users() – Checks if the current user has permissions to import new users.

clean_network_cache – action

clean_network_cache() – Removes a network from the object cache.

comment_id_not_found – action

comment_notification_headers – filter

comment_notification_notify_author – filter

comment_notification_recipients – filter

comment_notification_subject – filter

comment_notification_text – filter

comments_number – filter

comments_number() – Display the language string for the number of comments the current post has.

customize_nav_menu_available_item_types – filter

customize_nav_menu_available_items – filter

customize_nav_menu_searched_items – filter

customize_refresh_nonces – filter

customize_save_nav_menus_created_posts – action

dashboard_browser_nag_class() –

dashboard_php_nag_class() – Adds an additional class to the PHP nag if the current version is insecure.

default_option_$option_name – filter

default_option_nav_menu_options – filter

default_password_nag_edit_user() –

default_password_nag_handler() –

default_password_nag() –

delete_network_option() – Removes a network option by name.

edd_add-customer-note – action

edd_admin_addons_notices() – Admin Add-ons Notices

edd_admin_email_notice() – Sends the Admin Sale Notification Email

edd_admin_notice_emails – filter

edd_admin_notices_disabled – filter

edd_admin_notices_disabled() – Checks whether admin sale notices are disabled

edd_admin_sale_notice – action

edd_admin_sale_notification_attachments – filter

edd_admin_sale_notification_headers – filter

edd_admin_sale_notification_heading – filter

edd_admin_sale_notification_subject – filter

edd_ajax_delete_payment_note() – Delete a payment note deletion with ajax

edd_ajax_store_payment_note() –

edd_allow_negative_prices – filter

edd_append_no_cache_param() – Adds a ?nocache option for the checkout page

EDD_Cache_Helper::nocache() – Set nocache constants and headers.

EDD_Cache_Helper::notices() – notices function.

edd_cart_needs_tax_address_fields() – Should we show address fields for taxation purposes?

EDD_Cart::get_item_name() – Get the name of an item in the cart.

edd_checkout_button_next – filter

edd_checkout_button_next() – Renders the Next button on the Checkout

edd_count_payment_notes_in_comments – filter

edd_currency_name – filter

edd_customer_add_note_string – filter

edd_customer_notes_per_page – filter

edd_customer_notes_view() – View the notes of a customer

edd_customer_post_add_note – action

edd_customer_pre_add_note – action