Function Arguments Return Description Version Path

add_media_page

(string) $page_title
(string) $menu_title
(string) $capability
(string) $menu_slug
(callback) $function = ''
(string|boolean) The resulting page's hook_suffix, or false if the user does not have the capability required.

Add sub menu page to the media main menu.

wp-admin / includes / plugin.php

add_menu_classes

 $menu
(void) wp-admin / includes / menu.php

add_menu_page

(string) $page_title
(string) $menu_title
(string) $capability
(string) $menu_slug
(callback) $function = ''
(string) $icon_url = ''
(int) $position = null
(string) The resulting page's hook_suffix

Add a top level menu page

wp-admin / includes / plugin.php

add_meta

(unknown_type) $post_ID
(unknown) 1.2 wp-admin / includes / post.php

add_metadata

(string) $meta_type
(int) $object_id
(string) $meta_key
(mixed) $meta_value
(bool) $unique = false
(int|boolean) The meta ID on success, false on failure.

Add metadata for the specified object.

2.9 wp-includes / meta.php

add_meta_box

(string) $id
(string) $title
(callback) $callback
(string|WP_Screen) $screen = null
(string) $context = 'advanced'
(string) $priority = 'default'
(array) $callback_args = null
(void)

Add a meta box to an edit form.

2.5 wp-admin / includes / template.php

add_object_page

(string) $page_title
(string) $menu_title
(string) $capability
(string) $menu_slug
(callback) $function = ''
(string) $icon_url = ''
(string) The resulting page's hook_suffix

Add a top level menu page in the ‘objects’ section

wp-admin / includes / plugin.php

add_option

(string) $option
(mixed) $value = ''
(mixed) $deprecated = ''
(bool) $autoload = 'yes'
(boolean) False if option was not added and true if option was added.

Add a new option.

1.0 wp-includes / option.php

add_options_page

(string) $page_title
(string) $menu_title
(string) $capability
(string) $menu_slug
(callback) $function = ''
(string|boolean) The resulting page's hook_suffix, or false if the user does not have the capability required.

Add sub menu page to the options main menu.

wp-admin / includes / plugin.php

add_option_update_handler

(string) $option_group
(string) $option_name
(unknown_type) $sanitize_callback = ''
(unknown)

Register a setting and its sanitization callback

2.7 wp-admin / includes / deprecated.php