register_setting()

参数

$option_group

(string)
(Required)
A settings group name. Should correspond to a whitelisted option key name. Default whitelisted option key names include 'general', 'discussion', 'media', 'reading', 'writing', 'misc', 'options', and 'privacy'.

$option_name

(string)
(Required)
The name of an option to sanitize and save.

$args

(array)
(Optional)
Data used to describe the setting when registered.

• 'type'
  (string) The type of data associated with this setting. Valid values are 'string', 'boolean', 'integer', 'number', 'array', and 'object'.
• 'description'
  (string) A description of the data attached to this setting.
• 'sanitize_callback'
  (callable) A callback function that sanitizes the option's value.
• 'show_in_rest'
  (bool|array) Whether data associated with this setting should be included in the REST API. When registering complex settings, this argument may optionally be an array with a 'schema' key.
• 'default'
  (mixed) Default value when calling get_option().

Default value: array()